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程序开发中C#创建不规则窗体代码

http://www.rdxx.com 08年08月26日 00:00 我要投稿

代码如下:

 

  using System;

  using System.Collections.Generic;

  using System.ComponentModel;

  using System.Data;

  using System.Drawing;

  using System.Text;

  using System.Windows.Forms;

  using System.Runtime.InteropServices;

  namespace APIDemo

  {

  public partial class Form1 : Form

  {

  [StructLayout(LayoutKind.Sequential)]

  private struct POINTAPI

  {

  internal int x;

  internal int y;

  }

  [DllImport("gdi32.dll")]

  private static extern IntPtr CreatePolygonRgn(

  ref POINTAPI lpPoint,

  int nCount,

  int nPolyFillMode);

  [DllImport("user32.dll")]

  private static extern IntPtr SetWindowRgn(

  IntPtr hWnd,

  IntPtr hRgn,

  ref Boolean bRedraw);

  public Form1()

  {

  InitializeComponent();

  //创建不规则窗体

  POINTAPI[] poin;

  poin =new POINTAPI [5];

  poin[0].x = 90;

  poin[0].y = 90;

  poin[1].x = this.Width;

  poin[1].y = 0;

  poin[2].x = Width ;

  poin[2].y = this.Height/2;

  poin[3].x = Width / 2;

  poin[3].y = Height / 2;

  poin[4].x = 0;

  poin[4].y = Width;

  Boolean flag = true;

  IntPtr hRgn= CreatePolygonRgn(ref poin[0],8,1);

  SetWindowRgn(this.Handle, hRgn, ref flag );

  this.BackColor = Color.BurlyWood;

  }

  //设置窗体显示状态

  [DllImport("user32.dll")]

  private static extern int SetWindowPos(

  IntPtr hwnd,

  int hWndInsertAfter,

  int x,

  int y,

  int cx,

  int cy,

  int wFlags);

  private void Start_Btn_Click(object sender, EventArgs e)

  {//始终显示在前面

  SetWindowPos(this.Handle, -1, 0, 0, 0, 0, 1);

  }

  private void button1_Click(object sender, EventArgs e)

  {

  //最小化始终显示在前面

  SetWindowPos(this.Handle, -1, 0, 0, 0, 0, 0);

  }

  }

  }进入讨论组讨论。


 
 
标签: 不规则窗体 , C# , 代码 , 开发 , 创建 , 程序 , 窗体 , 不规则 打印本文
 
 
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