WinForm 无边框窗体四周阴影窗体可拖动无边框自定义标题栏

● 开发环境

Microsoft Visual Studio

● 开发语言

Visual C#

● 开发过程

1、新建一个Windows窗体应用(.NET Framework)，项目名称为MyApp，确定生成解决方案。

2、在解决方案资源管理器里将Form1更改为FormMain。

3、在解决方案资源管理器里右击解决方案'MyApp'，添加-新建项目-类库(.NET Framework)，项目名称为Framework，确定添加项目。

Framework项目

4、将默认的Class1.cs更改为Framework.cs；在Framework项目上右键-添加-Windows窗体，名称为FormSkin.cs；再添加一个Windows窗体，名称为FormMain.cs。

5、准备一张四周边缘透明的位图，添加到Resources.resx。

6、双击FormSkin.cs，打开窗体设计器，将FormSkin的FormBorderStyle更改为None，MaximizeBox更改为False，MinimizeBox更改为False，Size更改为800,450，StartPosition更改为CenterScreen。

7、双击FormMain.cs，打开窗体设计器，将FormMain的FormBorderStyle更改为None，MaximizeBox更改为False，MinimizeBox更改为False，Size更改为800,450，StartPosition更改为CenterScreen。

8、打开Framework.cs代码编辑器，添加如下代码：

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Runtime.InteropServices;namespace Framework
{public static class GraphicsPathHelper{public static GraphicsPath CreatePath(Rectangle rect, int radius, RoundStyle style, bool correction){GraphicsPath path = new GraphicsPath();int radiusCorrection = correction ? 1 : 0;switch (style){case RoundStyle.None:path.AddRectangle(rect);break;case RoundStyle.All:path.AddArc(rect.X, rect.Y, radius, radius, 180, 90);path.AddArc(rect.Right - radius - radiusCorrection, rect.Y, radius, radius, 270, 90);path.AddArc(rect.Right - radius - radiusCorrection, rect.Bottom - radius - radiusCorrection, radius, radius, 0, 90);path.AddArc(rect.X, rect.Bottom - radius - radiusCorrection, radius, radius, 90, 90);break;case RoundStyle.Left:path.AddArc(rect.X, rect.Y, radius, radius, 180, 90);path.AddLine(rect.Right - radiusCorrection, rect.Y, rect.Right - radiusCorrection, rect.Bottom - radiusCorrection);path.AddArc(rect.X, rect.Bottom - radius - radiusCorrection, radius, radius, 90, 90);break;case RoundStyle.Right:path.AddArc(rect.Right - radius - radiusCorrection, rect.Y, radius, radius, 270, 90);path.AddArc(rect.Right - radius - radiusCorrection, rect.Bottom - radius - radiusCorrection, radius, radius, 0, 90);path.AddLine(rect.X, rect.Bottom - radiusCorrection, rect.X, rect.Y);break;case RoundStyle.Top:path.AddArc(rect.X, rect.Y, radius, radius, 180, 90);path.AddArc(rect.Right - radius - radiusCorrection, rect.Y, radius, radius, 270, 90);path.AddLine(rect.Right - radiusCorrection, rect.Bottom - radiusCorrection, rect.X, rect.Bottom - radiusCorrection);break;case RoundStyle.Bottom:path.AddArc(rect.Right - radius - radiusCorrection, rect.Bottom - radius - radiusCorrection, radius, radius, 0, 90);path.AddArc(rect.X, rect.Bottom - radius - radiusCorrection, radius, radius, 90, 90);path.AddLine(rect.X, rect.Y, rect.Right - radiusCorrection, rect.Y);break;case RoundStyle.BottomLeft:path.AddArc(rect.X, rect.Bottom - radius - radiusCorrection, radius, radius, 90, 90);path.AddLine(rect.X, rect.Y, rect.Right - radiusCorrection, rect.Y);path.AddLine(rect.Right - radiusCorrection, rect.Y, rect.Right - radiusCorrection, rect.Bottom - radiusCorrection);break;case RoundStyle.BottomRight:path.AddArc(rect.Right - radius - radiusCorrection, rect.Bottom - radius - radiusCorrection, radius, radius, 0, 90);path.AddLine(rect.X, rect.Bottom - radiusCorrection, rect.X, rect.Y);path.AddLine(rect.X, rect.Y, rect.Right - radiusCorrection, rect.Y);break;}path.CloseFigure();return path;}}public enum RoundStyle{/// <summary>/// 四个角都不是圆角/// </summary>None = 0,/// <summary>/// 四个角都为圆角/// </summary>All = 1,/// <summary>/// 左边两个为圆角/// </summary>Left = 2,/// <summary>/// 右边两个为圆角/// </summary>Right = 3,/// <summary>/// 上边两个为圆角/// </summary>Top = 4,/// <summary>/// 下边两个为圆角/// </summary>Bottom = 5,/// <summary>/// 左下角为圆角/// </summary>BottomLeft = 6,/// <summary>/// 右下角为圆角/// </summary>BottomRight = 7,}public partial class ImageDrawRect{public static ContentAlignment anyRight = ContentAlignment.BottomRight | (ContentAlignment.MiddleRight | ContentAlignment.TopRight);public static ContentAlignment anyTop = ContentAlignment.TopRight | (ContentAlignment.TopCenter | ContentAlignment.TopLeft);public static ContentAlignment anyBottom = ContentAlignment.BottomRight | (ContentAlignment.BottomCenter | ContentAlignment.BottomLeft);public static ContentAlignment anyCenter = ContentAlignment.BottomCenter | (ContentAlignment.MiddleCenter | ContentAlignment.TopCenter);public static ContentAlignment anyMiddle = ContentAlignment.MiddleRight | (ContentAlignment.MiddleCenter | ContentAlignment.MiddleLeft);public static void DrawRect(Graphics g, Bitmap img, Rectangle r, Rectangle lr, int index, int Totalindex){if (img == null) return;Rectangle r1, r2;int x = (index - 1) * img.Width / Totalindex;int y = 0;int x1 = r.Left;int y1 = r.Top;if (r.Height > img.Height && r.Width <= img.Width / Totalindex){r1 = new Rectangle(x, y, img.Width / Totalindex, lr.Top);r2 = new Rectangle(x1, y1, r.Width, lr.Top);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x, y + lr.Top, img.Width / Totalindex, img.Height - lr.Top - lr.Bottom);r2 = new Rectangle(x1, y1 + lr.Top, r.Width, r.Height - lr.Top - lr.Bottom);if ((lr.Top + lr.Bottom) == 0) r1.Height -= 1;g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x, y + img.Height - lr.Bottom, img.Width / Totalindex, lr.Bottom);r2 = new Rectangle(x1, y1 + r.Height - lr.Bottom, r.Width, lr.Bottom);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);}else if (r.Height <= img.Height && r.Width > img.Width / Totalindex){r1 = new Rectangle(x, y, lr.Left, img.Height);r2 = new Rectangle(x1, y1, lr.Left, r.Height);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x + lr.Left, y, img.Width / Totalindex - lr.Left - lr.Right, img.Height);r2 = new Rectangle(x1 + lr.Left, y1, r.Width - lr.Left - lr.Right, r.Height);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x + img.Width / Totalindex - lr.Right, y, lr.Right, img.Height);r2 = new Rectangle(x1 + r.Width - lr.Right, y1, lr.Right, r.Height);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);}else if (r.Height <= img.Height && r.Width <= img.Width / Totalindex){r1 = new Rectangle((index - 1) * img.Width / Totalindex, 0, img.Width / Totalindex, img.Height - 1);g.DrawImage(img, new Rectangle(x1, y1, r.Width, r.Height), r1, GraphicsUnit.Pixel);}else if (r.Height > img.Height && r.Width > img.Width / Totalindex){r1 = new Rectangle(x, y, lr.Left, lr.Top);r2 = new Rectangle(x1, y1, lr.Left, lr.Top);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x, y + img.Height - lr.Bottom, lr.Left, lr.Bottom);r2 = new Rectangle(x1, y1 + r.Height - lr.Bottom, lr.Left, lr.Bottom);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x, y + lr.Top, lr.Left, img.Height - lr.Top - lr.Bottom);r2 = new Rectangle(x1, y1 + lr.Top, lr.Left, r.Height - lr.Top - lr.Bottom);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x + lr.Left, y, img.Width / Totalindex - lr.Left - lr.Right, lr.Top);r2 = new Rectangle(x1 + lr.Left, y1, r.Width - lr.Left - lr.Right, lr.Top);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x + img.Width / Totalindex - lr.Right, y, lr.Right, lr.Top);r2 = new Rectangle(x1 + r.Width - lr.Right, y1, lr.Right, lr.Top);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x + img.Width / Totalindex - lr.Right, y + lr.Top, lr.Right, img.Height - lr.Top - lr.Bottom);r2 = new Rectangle(x1 + r.Width - lr.Right, y1 + lr.Top, lr.Right, r.Height - lr.Top - lr.Bottom);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x + img.Width / Totalindex - lr.Right, y + img.Height - lr.Bottom, lr.Right, lr.Bottom);r2 = new Rectangle(x1 + r.Width - lr.Right, y1 + r.Height - lr.Bottom, lr.Right, lr.Bottom);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x + lr.Left, y + img.Height - lr.Bottom, img.Width / Totalindex - lr.Left - lr.Right, lr.Bottom);r2 = new Rectangle(x1 + lr.Left, y1 + r.Height - lr.Bottom, r.Width - lr.Left - lr.Right, lr.Bottom);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);r1 = new Rectangle(x + lr.Left, y + lr.Top, img.Width / Totalindex - lr.Left - lr.Right, img.Height - lr.Top - lr.Bottom);r2 = new Rectangle(x1 + lr.Left, y1 + lr.Top, r.Width - lr.Left - lr.Right, r.Height - lr.Top - lr.Bottom);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);}}public static void DrawRect(Graphics g, Bitmap img, Rectangle r, int index, int Totalindex){if (img == null) return;int width = img.Width / Totalindex;int height = img.Height;Rectangle r1, r2;int x = (index - 1) * width;int y = 0;int x1 = r.Left;int y1 = r.Top;r1 = new Rectangle(x, y, width, height);r2 = new Rectangle(x1, y1, r.Width, r.Height);g.DrawImage(img, r2, r1, GraphicsUnit.Pixel);}public static Rectangle HAlignWithin(Size alignThis, Rectangle withinThis, ContentAlignment align){if ((align & anyRight) != (ContentAlignment)0){withinThis.X += (withinThis.Width - alignThis.Width);}else if ((align & anyCenter) != ((ContentAlignment)0)){withinThis.X += ((withinThis.Width - alignThis.Width + 1) / 2);}withinThis.Width = alignThis.Width;return withinThis;}public static Rectangle VAlignWithin(Size alignThis, Rectangle withinThis, ContentAlignment align){if ((align & anyBottom) != ((ContentAlignment)0)){withinThis.Y += (withinThis.Height - alignThis.Height);}else if ((align & anyMiddle) != ((ContentAlignment)0)){withinThis.Y += ((withinThis.Height - alignThis.Height + 1) / 2);}withinThis.Height = alignThis.Height;return withinThis;}}public class Win32{public const int GWL_EXSTYLE = -20;public const int WS_EX_TRANSPARENT = 0x00000020;public const int WS_EX_LAYERED = 0x00080000;[StructLayout(LayoutKind.Sequential)]public struct Size{public Int32 cx;public Int32 cy;public Size(Int32 x, Int32 y){cx = x;cy = y;}}[StructLayout(LayoutKind.Sequential, Pack = 1)]public struct BLENDFUNCTION{public byte BlendOp;public byte BlendFlags;public byte SourceConstantAlpha;public byte AlphaFormat;}[StructLayout(LayoutKind.Sequential)]public struct Point{public Int32 x;public Int32 y;public Point(Int32 x, Int32 y){this.x = x;this.y = y;}}public const byte AC_SRC_OVER = 0;public const Int32 ULW_ALPHA = 2;public const byte AC_SRC_ALPHA = 1;public const Int32 AW_HOR_POSITIVE = 0x00000001;public const Int32 AW_HOR_NEGATIVE = 0x00000002;public const Int32 AW_VER_POSITIVE = 0x00000004;public const Int32 AW_VER_NEGATIVE = 0x00000008;public const Int32 AW_CENTER = 0x00000010;public const Int32 AW_HIDE = 0x00010000;public const Int32 AW_ACTIVATE = 0x00020000;public const Int32 AW_SLIDE = 0x00040000;public const Int32 AW_BLEND = 0x00080000;[DllImport("user32")]public static extern bool AnimateWindow(IntPtr whnd, int dwtime, int dwflag);[DllImport("user32", EntryPoint = "GetWindowLong")]public static extern int GetWindowLong(IntPtr hwnd, int nIndex);[DllImport("user32.dll")]public static extern int SetWindowLong(IntPtr hwnd, int nIndex, int dwNewLong);[DllImport("gdi32.dll", ExactSpelling = true, SetLastError = true)]public static extern IntPtr CreateCompatibleDC(IntPtr hDC);[DllImport("user32.dll", ExactSpelling = true, SetLastError = true)]public static extern IntPtr GetDC(IntPtr hWnd);[DllImport("gdi32.dll", ExactSpelling = true)]public static extern IntPtr SelectObject(IntPtr hDC, IntPtr hObj);[DllImport("user32.dll", ExactSpelling = true)]public static extern int ReleaseDC(IntPtr hWnd, IntPtr hDC);[DllImport("gdi32.dll", ExactSpelling = true, SetLastError = true)]public static extern int DeleteDC(IntPtr hDC);[DllImport("gdi32.dll", ExactSpelling = true, SetLastError = true)]public static extern int DeleteObject(IntPtr hObj);[DllImport("user32.dll", ExactSpelling = true, SetLastError = true)]public static extern int UpdateLayeredWindow(IntPtr hwnd, IntPtr hdcDst, ref Point pptDst, ref Size psize, IntPtr hdcSrc, ref Point pptSrc, Int32 crKey, ref BLENDFUNCTION pblend, Int32 dwFlags);}
}

9、打开FormSkin.cs代码编辑器，添加如下代码：

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;namespace Framework
{public partial class FormSkin : Form{public FormSkin(){InitializeComponent();}//控件层private readonly FormMain formMain;#region 带参构造public FormSkin(FormMain main){//将控制层传值过来formMain = main;InitializeComponent();//置顶窗体formMain.TopMost = TopMostformMain.BringToFront();//是否在任务栏显示ShowInTaskbar = false;//无边框模式FormBorderStyle = FormBorderStyle.None;//设置绘图层显示位置Location = new Point(formMain.Location.X - 5, formMain.Location.Y - 5);//设置ICOIcon = formMain.Icon;ShowIcon = formMain.ShowIcon;//设置大小Width = formMain.Width + 10;Height = formMain.Height + 10;//设置标题名Text = formMain.Text;//绘图层窗体移动formMain.LocationChanged += new EventHandler(Main_LocationChanged);formMain.SizeChanged += new EventHandler(Main_SizeChanged);formMain.VisibleChanged += new EventHandler(Main_VisibleChanged);//加载背景SetBits();//窗口鼠标穿透效果CanPenetrate();}#endregion#region 还原任务栏右键菜单protected override CreateParams CreateParams{get{CreateParams cParms = base.CreateParams;cParms.ExStyle |= 0x00080000; // WS_EX_LAYEREDreturn cParms;}}#endregion#region 控件层相关事件//移动主窗体时void Main_LocationChanged(object sender, EventArgs e){Location = new Point(formMain.Left - 5, formMain.Top - 5);}//主窗体大小改变时void Main_SizeChanged(object sender, EventArgs e){//设置大小Width = formMain.Width + 10;Height = formMain.Height + 10;SetBits();}//主窗体显示或隐藏时void Main_VisibleChanged(object sender, EventArgs e){Visible = formMain.Visible;}#endregion#region 使窗口有鼠标穿透功能/// <summary>/// 使窗口有鼠标穿透功能/// </summary>private void CanPenetrate(){Win32.GetWindowLong(Handle, Win32.GWL_EXSTYLE);Win32.SetWindowLong(Handle, Win32.GWL_EXSTYLE, Win32.WS_EX_TRANSPARENT | Win32.WS_EX_LAYERED);}#endregion#region 不规则无毛边方法public void SetBits(){//绘制绘图层背景Bitmap bitmap = new Bitmap(formMain.Width + 10, formMain.Height + 10);Rectangle _BacklightLTRB = new Rectangle(20, 20, 20, 20);//窗体光泽重绘边界Graphics g = Graphics.FromImage(bitmap);g.SmoothingMode = SmoothingMode.HighQuality; //高质量g.PixelOffsetMode = PixelOffsetMode.HighQuality; //高像素偏移质量ImageDrawRect.DrawRect(g, Properties.Resources.bkg, ClientRectangle, Rectangle.FromLTRB(_BacklightLTRB.X, _BacklightLTRB.Y, _BacklightLTRB.Width, _BacklightLTRB.Height), 1, 1);if (!Image.IsCanonicalPixelFormat(bitmap.PixelFormat) || !Image.IsAlphaPixelFormat(bitmap.PixelFormat))throw new ApplicationException("图片必须是32位带Alhpa通道的图片。");IntPtr oldBits = IntPtr.Zero;IntPtr screenDC = Win32.GetDC(IntPtr.Zero);IntPtr hBitmap = IntPtr.Zero;IntPtr memDc = Win32.CreateCompatibleDC(screenDC);try{Win32.Point topLoc = new Win32.Point(Left, Top);Win32.Size bitMapSize = new Win32.Size(Width, Height);Win32.BLENDFUNCTION blendFunc = new Win32.BLENDFUNCTION();Win32.Point srcLoc = new Win32.Point(0, 0);hBitmap = bitmap.GetHbitmap(Color.FromArgb(0));oldBits = Win32.SelectObject(memDc, hBitmap);blendFunc.BlendOp = Win32.AC_SRC_OVER;blendFunc.SourceConstantAlpha = byte.Parse("255");blendFunc.AlphaFormat = Win32.AC_SRC_ALPHA;blendFunc.BlendFlags = 0;Win32.UpdateLayeredWindow(Handle, screenDC, ref topLoc, ref bitMapSize, memDc, ref srcLoc, 0, ref blendFunc, Win32.ULW_ALPHA);}finally{if (hBitmap != IntPtr.Zero){Win32.SelectObject(memDc, oldBits);Win32.DeleteObject(hBitmap);}Win32.ReleaseDC(IntPtr.Zero, screenDC);Win32.DeleteDC(memDc);}}#endregion}
}

10、打开FormMain.cs代码编辑器，添加如下代码：

using System;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;namespace Framework
{public partial class FormMain : Form{//绘制层private FormSkin formSkin;public FormMain(){InitializeComponent();SetStyles();}#region 减少闪烁private void SetStyles(){SetStyle(ControlStyles.UserPaint |ControlStyles.AllPaintingInWmPaint |ControlStyles.OptimizedDoubleBuffer |ControlStyles.ResizeRedraw |ControlStyles.DoubleBuffer, true);//强制分配样式重新应用到控件上UpdateStyles();AutoScaleMode = AutoScaleMode.None;}#endregion//#region 变量属性不显示FormBorderStyle属性//[Browsable(false)]//[EditorBrowsable(EditorBrowsableState.Never)]//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]//public new FormBorderStyle FormBorderStyle//{//    get { return base.FormBorderStyle; }//    set { base.FormBorderStyle = FormBorderStyle.None; }//}//#endregion#region 重载事件//Show或Hide被调用时protected override void OnVisibleChanged(EventArgs e){if (Visible){//启用窗口淡入淡出if (!DesignMode){//淡入特效Win32.AnimateWindow(Handle, 150, Win32.AW_BLEND | Win32.AW_ACTIVATE);}//判断不是在设计器中if (!DesignMode && formSkin == null){formSkin = new FormSkin(this);formSkin.Show(this);}base.OnVisibleChanged(e);}else{base.OnVisibleChanged(e);Win32.AnimateWindow(Handle, 150, Win32.AW_BLEND | Win32.AW_HIDE);}}//窗体关闭时protected override void OnClosing(CancelEventArgs e){base.OnClosing(e);//先关闭阴影窗体if (formSkin != null){formSkin.Close();}//在Form_FormClosing中添加代码实现窗体的淡出Win32.AnimateWindow(Handle, 150, Win32.AW_BLEND | Win32.AW_HIDE);}//控件首次创建时被调用protected override void OnCreateControl(){base.OnCreateControl();SetReion();}//圆角private void SetReion(){using (GraphicsPath path =GraphicsPathHelper.CreatePath(new Rectangle(Point.Empty, Size), 5, RoundStyle.None, true)){Region region = new Region(path);path.Widen(Pens.White);region.Union(path);Region = region;}}//改变窗体大小时protected override void OnSizeChanged(EventArgs e){base.OnSizeChanged(e);SetReion();}const int HTLEFT = 10;const int HTRIGHT = 11;const int HTTOP = 12;const int HTTOPLEFT = 13;const int HTTOPRIGHT = 14;const int HTBOTTOM = 15;const int HTBOTTOMLEFT = 0x10;const int HTBOTTOMRIGHT = 17;const int WM_NCHITTEST = 0x084;protected override void WndProc(ref Message m){switch (m.Msg){case WM_NCHITTEST://移动鼠标，按住或释放鼠标时发生//窗体为窗口模式/普通默认（非全屏）if (WindowState == FormWindowState.Normal){base.WndProc(ref m);Point vPoint = new Point((int)m.LParam & 0xFFFF,(int)m.LParam >> 16 & 0xFFFF);vPoint = PointToClient(vPoint);if (vPoint.X <= 5)if (vPoint.Y <= 5)m.Result = (IntPtr)HTTOPLEFT;else if (vPoint.Y >= ClientSize.Height - 5)m.Result = (IntPtr)HTBOTTOMLEFT;else m.Result = (IntPtr)HTLEFT;else if (vPoint.X >= ClientSize.Width - 5)if (vPoint.Y <= 5)m.Result = (IntPtr)HTTOPRIGHT;else if (vPoint.Y >= ClientSize.Height - 5)m.Result = (IntPtr)HTBOTTOMRIGHT;else m.Result = (IntPtr)HTRIGHT;else if (vPoint.Y <= 5)m.Result = (IntPtr)HTTOP;else if (vPoint.Y >= ClientSize.Height - 5)m.Result = (IntPtr)HTBOTTOM;break;}//窗体非正常模式大小（全屏）else{break;}case 0x0201://鼠标左键按下的消息 m.Msg = 0x00A1;//更改消息为非客户区按下鼠标 m.LParam = IntPtr.Zero;//默认值 m.WParam = new IntPtr(2);//鼠标放在标题栏内 base.WndProc(ref m);break;default:base.WndProc(ref m);break;}}#endregion#region 允许点击任务栏最小化protected override CreateParams CreateParams{get{const int WS_MINIMIZEBOX = 0x00020000;  // Winuser.h中定义CreateParams cp = base.CreateParams;cp.Style |= WS_MINIMIZEBOX;   // 允许最小化操作return cp;}}#endregion}
}

MyApp项目

11、在MyApp项目引用上右键-添加引用-项目-勾选Framework-确定。

12、双击FormMain.cs，打开窗体设计器，添加3个Panel控件，分别为PanelTitle（标题栏[非客户区]），PanelWindow（主容器[客户区]），PanelStatusBar（状态栏[非客户区]）；在PanelTitle里添加5个PictureBox控件，分别为PictureBoxIcon（应用程序图标），PictureBoxCloseWindow（关闭按钮），PictureBoxMinimizeBox（最小化按钮），PictureBoxMaximizeBox（最大化按钮），PictureBoxRestoreWindow（向下还原按钮）……

13、在MyApp项目上右键-添加-类，名称为Common.cs，添加如下代码：

using System;
using System.Management;namespace MyApp
{#region 操作系统public class OSInformation{/// <summary>/// 获取操作系统信息/// </summary>/// <returns>操作系统完整版本信息</returns>public static string GetOSFullVersion(){string strOS = string.Empty;string strBuild = string.Empty;//【1】获取操作系统SelectQuery query = new SelectQuery("Win32_OperatingSystem");ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);ManagementObjectCollection collection = searcher.Get();searcher.Dispose();foreach (ManagementObject obj in collection){strOS = obj.GetPropertyValue("Caption").ToString().Replace("Microsoft", "");//返回(Microsoft)Windows 10 专业版}string strBit;//【2】判断系统32位还是64位if (Environment.Is64BitOperatingSystem) strBit = "64位";else strBit = "32位";string strSP;//【3】获取补丁包版本号if (Environment.OSVersion.Version.Major != 10){strSP = " " + Environment.OSVersion.ServicePack;}else{strSP = Environment.OSVersion.ServicePack;}//【4】获取操作系统版本string strVersion = Environment.OSVersion.Version.Major + "." + Environment.OSVersion.Version.Minor;//【5】获取系统内部版本foreach (ManagementObject obj in collection){strBuild = obj.GetPropertyValue("BuildNumber").ToString();}//【6】组合操作系统完整版本return strOS + " " + strBit + strSP + "（" + strVersion + "，版本 " + strBuild + "）";}}#endregion#region 日期时间public class DateInformation{#region 日期时间/// <summary>/// 获取系统当前日期时间/// </summary>/// <returns>当前日期和时间</returns>public static string GetSystemDateTime(){return DateTime.Now.ToString("yyyy年MM月dd日 HH:mm:ss");}/// <summary>/// 获取星期/// </summary>/// <returns>星期</returns>public static string GetDayOfWeek(){string[] strWeekDay = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };return strWeekDay[Convert.ToInt32(DateTime.Now.DayOfWeek)];}/// <summary>/// 获取一年中的第多少天/// </summary>/// <returns>一年中的第多少天</returns>public static string GetDayOfYear(){return "第" + DateTime.Now.DayOfYear + "天";}/// <summary>/// 获取系统已运行时间/// </summary>/// <returns>系统已运行时间</returns>public static string GetSystemRunTime(){long nCurTickValue = Environment.TickCount;long nRunHours, nRunMinutes, nRunSeconds;nRunHours = (nCurTickValue / (3600 * 999)) % 24;nRunMinutes = (nCurTickValue / (60 * 999)) % 60;nRunSeconds = (nCurTickValue / 999) % 60;return string.Format("{0}小时{1}分钟{2}秒钟", nRunHours.ToString("00"), nRunMinutes.ToString("00"), nRunSeconds.ToString("00"));}#endregion#region 获取中国农历信息/// <summary>/// 实例化农历类/// </summary>private static readonly System.Globalization.ChineseLunisolarCalendar chslc = new System.Globalization.ChineseLunisolarCalendar();/// <summary>/// 十天干/// </summary>private static readonly string[] tg = { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" };/// <summary>/// 十二地支/// </summary>private static readonly string[] dz = { "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" };/// <summary>/// 十二生肖/// </summary>private static readonly string[] sx = { "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪" };/// <summary>/// 返回农历天干地支年/// </summary>/// <param name="year">农历年</param>/// <returns></returns>private static string GetLunisolarYear(int year){if (year > 3){int tgIndex = (year - 4) % 10;int dzIndex = (year - 4) % 12;return string.Concat(tg[tgIndex], dz[dzIndex], "[", sx[dzIndex], "]");}throw new ArgumentOutOfRangeException("无效的年份！");}/// <summary>/// 农历月/// </summary>private static readonly string[] months = { "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "冬", "腊" };/// <summary>/// 农历日第一字/// </summary>private static readonly string[] days1 = { "初", "十", "廿", "三" };/// <summary>/// 农历日第二字/// </summary>private static readonly string[] days2 = { "一", "二", "三", "四", "五", "六", "七", "八", "九", "十" };/// <summary>/// 返回农历月/// </summary>/// <param name="month">月份</param>/// <returns></returns>private static string GetLunisolarMonth(int month){if (month < 13 && month > 0){return months[month - 1];}throw new ArgumentOutOfRangeException("无效的月份！");}/// <summary>/// 返回农历日/// </summary>/// <param name="day">日期</param>/// <returns></returns>private static string GetLunisolarDay(int day){if (day > 0 && day < 32){if (day != 20 && day != 30){return string.Concat(days1[(day - 1) / 10], days2[(day - 1) % 10]);}else{return string.Concat(days2[(day - 1) / 10], days1[1]);}}throw new ArgumentOutOfRangeException("无效的日期！");}/// <summary>/// 获取完整农历（包含年月日）/// </summary>/// <returns>完整农历</returns>public static string GetChineseLunisolarCalendar(){int year = chslc.GetYear(DateTime.Now);int month = chslc.GetMonth(DateTime.Now);int day = chslc.GetDayOfMonth(DateTime.Now);int leapMonth = chslc.GetLeapMonth(year);bool isleap = false;if (leapMonth > 0){if (leapMonth == month){isleap = true;month--;}else if (month > leapMonth){month--;}}return GetLunisolarYear(year) + "年" + (isleap ? "闰" : string.Empty) + GetLunisolarMonth(month) + "月" + GetLunisolarDay(day);}/// <summary>/// 获取农历日期（月日）/// </summary>/// <returns>农历日期</returns>public static string GetChineseLunisolarDate(){int year = chslc.GetYear(DateTime.Now);int month = chslc.GetMonth(DateTime.Now);int day = chslc.GetDayOfMonth(DateTime.Now);int leapMonth = chslc.GetLeapMonth(year);bool isleap = false;if (leapMonth > 0){if (leapMonth == month){isleap = true;month--;}else if (month > leapMonth){month--;}}return (isleap ? "闰" : string.Empty) + GetLunisolarMonth(month) + "月" + GetLunisolarDay(day);}#endregion#region 中国节日信息/// <summary>/// 获取中国节日信息/// </summary>/// <returns>中国节日</returns>public static string GetChineseFestival(){string ChineseLunisolarDate = GetChineseLunisolarDate();#region 农历节日if (ChineseLunisolarDate == "正月初一" || ChineseLunisolarDate == "闰正月初一"){return "春节";}else if (ChineseLunisolarDate == "正月十五" || ChineseLunisolarDate == "闰正月十五"){return "元宵节/上元节";}else if (ChineseLunisolarDate == "二月初二" || ChineseLunisolarDate == "闰二月初二"){return "龙抬头";}else if (ChineseLunisolarDate == "五月初五" || ChineseLunisolarDate == "闰五月初五"){return "端午节";}else if (ChineseLunisolarDate == "七月初七" || ChineseLunisolarDate == "闰七月初七"){return "七夕节";}else if (ChineseLunisolarDate == "七月十四" || ChineseLunisolarDate == "闰七月十四"){return "南方中元节";}else if (ChineseLunisolarDate == "七月十五" || ChineseLunisolarDate == "闰七月十五"){return "北方中元节";}else if (ChineseLunisolarDate == "八月十五" || ChineseLunisolarDate == "闰八月十五"){return "中秋节";}else if (ChineseLunisolarDate == "九月初九" || ChineseLunisolarDate == "闰九月初九"){return "重阳节";}else if (ChineseLunisolarDate == "十月初一" || ChineseLunisolarDate == "闰十月初一"){return "寒衣节";}else if (ChineseLunisolarDate == "十月十五" || ChineseLunisolarDate == "闰十月十五"){return "下元节";}else if (ChineseLunisolarDate == "腊月初八" || ChineseLunisolarDate == "闰腊月初八"){return "腊八节";}else if (ChineseLunisolarDate == "腊月廿三" || ChineseLunisolarDate == "闰腊月廿三"){return "北方小年";}else if (ChineseLunisolarDate == "腊月廿四" || ChineseLunisolarDate == "闰腊月廿四"){return "南方小年";}#endregion#region 公历节日else if (DateTime.Now.ToString("MMdd") == "0101"){return "元旦节";}else if (DateTime.Now.ToString("MMdd") == "0202"){return "世界湿地日";}else if (DateTime.Now.ToString("MMdd") == "0214"){return "情人节";}else if (DateTime.Now.ToString("MMdd") == "0308"){return "妇女节";}else if (DateTime.Now.ToString("MMdd") == "0312"){return "植树节";}else if (DateTime.Now.ToString("MMdd") == "0315"){return "消费者权益日";}else if (DateTime.Now.ToString("MMdd") == "0401"){return "愚人节";}else if (DateTime.Now.ToString("MMdd") == "0422"){return "世界地球日";}else if (DateTime.Now.ToString("MMdd") == "0501"){return "劳动节";}else if (DateTime.Now.ToString("MMdd") == "0504"){return "青年节";}else if (DateTime.Now.ToString("MMdd") == "0512"){return "国际护士节";}else if (DateTime.Now.ToString("MMdd") == "0518"){return "国际博物馆日";}else if (DateTime.Now.ToString("MMdd") == "0601"){return "儿童节";}else if (DateTime.Now.ToString("MMdd") == "0605"){return "世界环境日";}else if (DateTime.Now.ToString("MMdd") == "0623"){return "奥林匹克日";}else if (DateTime.Now.ToString("MMdd") == "0701"){return "建党节";}else if (DateTime.Now.ToString("MMdd") == "0801"){return "建军节";}else if (DateTime.Now.ToString("MMdd") == "0910"){return "教师节";}else if (DateTime.Now.ToString("MMdd") == "1001"){return "国庆节";}else if (DateTime.Now.ToString("MMdd") == "1124"){return "平安夜";}else if (DateTime.Now.ToString("MMdd") == "1125"){return "圣诞节";}else if (DateTime.Now.ToString("MMdd") == "1201"){return "世界艾滋病日";}else if (DateTime.Now.ToString("MMdd") == "1213"){return "国家公祭日";}else if (DateTime.Now.ToString("MMdd") == "1224"){return "平安夜";}else if (DateTime.Now.ToString("MMdd") == "1225"){return "圣诞节";}#endregion#region 非固定节日else if (DateTime.Now.ToString("yyyyMMdd") == "20190105" || DateTime.Now.ToString("yyyyMMdd") == "20200106"){return "小寒";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190120" || DateTime.Now.ToString("yyyyMMdd") == "20200120"){return "大寒";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190204" || DateTime.Now.ToString("yyyyMMdd") == "20200124"){return "除夕";}else if (DateTime.Now.ToString("yyyyMMdd") == "20200204"){return "立春";}else if (DateTime.Now.ToString("yyyyMMdd") == "20200219"){return "雨水";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190306" || DateTime.Now.ToString("yyyyMMdd") == "20200305"){return "惊蛰";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190321" || DateTime.Now.ToString("yyyyMMdd") == "20200320"){return "春分";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190405" || DateTime.Now.ToString("yyyyMMdd") == "20200404"){return "清明节";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190420" || DateTime.Now.ToString("yyyyMMdd") == "20200419"){return "谷雨";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190506" || DateTime.Now.ToString("yyyyMMdd") == "20200505"){return "立夏";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190512" || DateTime.Now.ToString("yyyyMMdd") == "20200510"){return "母亲节";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190521" || DateTime.Now.ToString("yyyyMMdd") == "20200520"){return "小满";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190606" || DateTime.Now.ToString("yyyyMMdd") == "20200605"){return "芒种";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190616" || DateTime.Now.ToString("yyyyMMdd") == "20200621"){return "父亲节";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190621" || DateTime.Now.ToString("yyyyMMdd") == "20200621"){return "夏至";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190707" || DateTime.Now.ToString("yyyyMMdd") == "20200706"){return "小暑";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190723" || DateTime.Now.ToString("yyyyMMdd") == "20200722"){return "大暑";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190808" || DateTime.Now.ToString("yyyyMMdd") == "20200807"){return "立秋";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190823" || DateTime.Now.ToString("yyyyMMdd") == "20200822"){return "处暑";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190908" || DateTime.Now.ToString("yyyyMMdd") == "20200907"){return "白露";}else if (DateTime.Now.ToString("yyyyMMdd") == "20190923" || DateTime.Now.ToString("yyyyMMdd") == "20200922"){return "秋分";}else if (DateTime.Now.ToString("yyyyMMdd") == "20191008" || DateTime.Now.ToString("yyyyMMdd") == "20201008"){return "寒露";}else if (DateTime.Now.ToString("yyyyMMdd") == "20191024" || DateTime.Now.ToString("yyyyMMdd") == "20201023"){return "霜降";}else if (DateTime.Now.ToString("yyyyMMdd") == "20191108" || DateTime.Now.ToString("yyyyMMdd") == "20201107"){return "立冬";}else if (DateTime.Now.ToString("yyyyMMdd") == "20191122" || DateTime.Now.ToString("yyyyMMdd") == "20201122"){return "小雪";}else if (DateTime.Now.ToString("yyyyMMdd") == "20191128" || DateTime.Now.ToString("yyyyMMdd") == "20201126"){return "西方感恩节";}else if (DateTime.Now.ToString("yyyyMMdd") == "20191207" || DateTime.Now.ToString("yyyyMMdd") == "20201207"){return "大雪";}else if (DateTime.Now.ToString("yyyyMMdd") == "20191222" || DateTime.Now.ToString("yyyyMMdd") == "20201221"){return "冬至";}#endregion#region 无节日else{return "无节日";}#endregion}#endregion}#endregion
}

14、在MyApp项目上右键-添加-类，名称为ImageHelper.cs，添加如下代码：

using System.Drawing;namespace MyApp
{public class ImageHelper{/// <summary>/// 获取均分图片中的某一块/// </summary>/// <param name="orignal">原始图片</param>/// <param name="count">均分数</param>/// <param name="index">均分数序号</param>/// <returns>均分后指定块图片</returns>public static Image GetImagebyAverageIndex(Image orignal, int count, int index){int width = orignal.Width / count;return CutImage(orignal, width * (index - 1), width, orignal.Height);}/// <summary>/// 获取均分图片/// </summary>/// <param name="orignal">原始图片</param>/// <param name="start">入点</param>/// <param name="width">宽度</param>/// <param name="height">高度</param>/// <returns></returns>private static Image CutImage(Image orignal, int start, int width, int height){Bitmap partImage = new Bitmap(width, height);Graphics graphics = Graphics.FromImage(partImage);Rectangle srcRect = new Rectangle(start, 0, width, height);Rectangle destRect = new Rectangle(0, 0, width, height);graphics.DrawImage(orignal, destRect, srcRect, GraphicsUnit.Pixel);partImage.MakeTransparent(Color.FromArgb(255, 0, 255));graphics.Dispose();return partImage;}}
}

15、打开FormMain.cs代码编辑器，添加如下代码：

using System;
using System.Drawing;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Threading;
using System.Windows.Forms;namespace MyApp
{public partial class FormMain : Framework.FormMain{public FormMain(){InitializeComponent();}private void FormMain_Load(object sender, EventArgs e){//初始化图片按钮控件图片显示PictureBoxCloseWindow.Image = ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonClose, 3, 1);PictureBoxMaximizeBox.Image = ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonMaximize, 3, 1);PictureBoxMinimizeBox.Image = ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonMinimize, 3, 1);PictureBoxRestoreWindow.Image = ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonRestore, 3, 1);//加载操作系统版本LabelOSVersion.Text = OSInformation.GetOSFullVersion();//加载系统时间ShowNowTime();}#region 自绘标题栏public const int WM_SYSCOMMAND = 0x0112;public const int SC_MOVE = 0xF010;public const int HTCAPTION = 0x0002;private void PanelTitle_MouseDown(object sender, MouseEventArgs e){if (e.Button == MouseButtons.Left && e.Clicks == 1){if (WindowState == FormWindowState.Normal){ReleaseCapture();SendMessage(Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);}}else if (e.Button == MouseButtons.Left && e.Clicks == 2){if (WindowState == FormWindowState.Normal){FormBorderStyle = FormBorderStyle.None;MaximumSize = new Size(Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height);//不遮盖任务栏WindowState = FormWindowState.Maximized;PictureBoxMaximizeBox.Visible = false;PictureBoxRestoreWindow.Visible = true;}else if (WindowState == FormWindowState.Maximized){WindowState = FormWindowState.Normal;PictureBoxMaximizeBox.Visible = true;PictureBoxRestoreWindow.Visible = false;}}}#endregion#region 窗体没有焦点 窗体可拖动#region 窗体无焦点private void SetChildControlNoFocus(Control ctrl){if (ctrl.HasChildren)foreach (Control c in ctrl.Controls){SetControlNoFocus(c);}}readonly MethodInfo SetControlStyleMethod = null;readonly object[] SetControlStyleArgs = new object[] { ControlStyles.Selectable, false };private void SetControlNoFocus(Control ctrl){SetControlStyleMethod.Invoke(ctrl, SetControlStyleArgs);SetChildControlNoFocus(ctrl);}#endregion#region 无边框拖动窗体[DllImport("user32.dll")]public static extern bool ReleaseCapture();[DllImport("user32.dll")]public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);#endregion#endregion#region 位图按钮private void FormClickMeans(int tag){switch (tag){case 0://关闭事件Application.Exit();break;case 1://最大化事件MaximumSize = new Size(Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height);//不遮盖任务栏WindowState = FormWindowState.Maximized;PictureBoxMaximizeBox.Visible = false;PictureBoxRestoreWindow.Visible = true;break;case 2://最小化事件WindowState = FormWindowState.Minimized;break;case 3://还原事件WindowState = FormWindowState.Normal;PictureBoxMaximizeBox.Visible = true;PictureBoxRestoreWindow.Visible = false;break;}}private static PictureBox picture = new PictureBox();private void ImageSwitch(object sender, int tag, int i){picture = (PictureBox)sender;switch (tag){case 0://关闭按钮图片picture.Image = null;if (i == 0)//鼠标离开{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonClose, 3, 1);}else if (i == 1)//鼠标进入{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonClose, 3, 2);}else if (i == 2)//鼠标按下{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonClose, 3, 3);}break;case 1://关闭按钮图片picture.Image = null;if (i == 0)//鼠标离开{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonMinimize, 3, 1);}else if (i == 1)//鼠标进入{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonMinimize, 3, 2);}else if (i == 2)//鼠标按下{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonMinimize, 3, 3);}break;case 2://关闭按钮图片picture.Image = null;if (i == 0)//鼠标离开{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonMaximize, 3, 1);}else if (i == 1)//鼠标进入{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonMaximize, 3, 2);}else if (i == 2)//鼠标按下{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonMaximize, 3, 3);}break;case 3://关闭按钮图片picture.Image = null;if (i == 0)//鼠标离开{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonRestore, 3, 1);}else if (i == 1)//鼠标进入{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonRestore, 3, 2);}else if (i == 2)//鼠标按下{picture.Image = Common.ImageHelper.GetImagebyAverageIndex(Properties.Resources.ButtonRestore, 3, 3);}break;}}/// <summary>/// 鼠标点击/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void PictureBox_MouseClick(object sender, MouseEventArgs e){if (e.Button == MouseButtons.Left && e.Clicks == 1){FormClickMeans(Convert.ToInt16(((PictureBox)sender).Tag.ToString()));}}private void PictureBox_MouseEnter(object sender, EventArgs e){ImageSwitch(sender, Convert.ToInt16(((PictureBox)sender).Tag.ToString()), 1);}private void PictureBox_MouseLeave(object sender, EventArgs e){ImageSwitch(sender, Convert.ToInt16(((PictureBox)sender).Tag.ToString()), 0);}private void PictureBox_MouseDown(object sender, MouseEventArgs e){ImageSwitch(sender, Convert.ToInt16(((PictureBox)sender).Tag.ToString()), 2);}private void PictureBox_MouseUp(object sender, MouseEventArgs e){ImageSwitch(sender, Convert.ToInt16(((PictureBox)sender).Tag.ToString()), 1);}#endregion#region 使用线程显示当前时间/// <summary>/// 使用线程方式显示当前时间/// </summary>private void ShowNowTime(){new Thread(() =>{while (true){try{LabelNowTime.BeginInvoke(new MethodInvoker(() =>LabelNowTime.Text = DateInformation.GetSystemDateTime() + " " + DateInformation.GetDayOfWeek() + " " + DateInformation.GetChineseLunisolarCalendar()));}catch (Exception ex){MessageBox.Show(ex.Message);}Thread.Sleep(500);}}){ IsBackground = true }.Start();}#endregion}
}

16、编译生成。

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