using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Drawing;namespace LzRabbit
{public class AutoResizeForm : Form{const int WM_SYSCOMMAND = 0X112;//274const int SC_MAXIMIZE = 0XF030;//61488const int SC_MINIMIZE = 0XF020;//61472const int SC_RESTORE = 0XF120; //61728const int SC_CLOSE = 0XF060;//61536const int SC_RESIZE_Horizontal = 0XF002;//61442const int SC_RESIZE_Vertical = 0XF006;//61446const int SC_RESIZE_Both = 0XF008;//61448protected override void WndProc(ref Message m){if (m.Msg == WM_SYSCOMMAND){                switch (m.WParam.ToInt32()){case SC_MAXIMIZE:case SC_RESTORE:case SC_RESIZE_Horizontal:case SC_RESIZE_Vertical:case SC_RESIZE_Both:if (WindowState == FormWindowState.Minimized){base.WndProc(ref m);}else{Size beforeResizeSize = this.Size;base.WndProc(ref m);//窗口resize之后的大小Size afterResizeSize = this.Size;//获得变化比例float percentWidth = (float)afterResizeSize.Width / beforeResizeSize.Width;float percentHeight = (float)afterResizeSize.Height / beforeResizeSize.Height;foreach (Control control in this.Controls){//按比例改变控件大小control.Width = (int)(control.Width * percentWidth);control.Height = (int)(control.Height * percentHeight);//为了不使控件之间覆盖 位置也要按比例变化control.Left = (int)(control.Left * percentWidth);control.Top = (int)(control.Top * percentHeight);//改变控件字体大小control.Font = new Font(control.Font.Name, control.Font.Size * Math.Min(percentHeight, percentHeight), control.Font.Style, control.Font.Unit);}}break;default:base.WndProc(ref m);break;}}else{base.WndProc(ref m);}}}
}