C#创建不规则窗体代码

ReadyGo!技术成就梦想 网络搜索 efish 2008-8-2 23:35:11

　　          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
            {
               
                private struct POINTAPI
                {
                    internal int x;
                    internal int y;
                }
               
                private static extern IntPtr  CreatePolygonRgn(
                     ref POINTAPI lpPoint,
                     int nCount,
                     int nPolyFillMode);
               
                private static extern IntPtr  SetWindowRgn(
                     IntPtr  hWnd,
                     IntPtr  hRgn,
                     ref Boolean bRedraw);
                public Form1()
                {
                    InitializeComponent();
                    //创建不规则窗体
                    POINTAPI;
                    poin.x = 90;
                    poin.y = 90;
                    poin.x = this.Width;
                    poin.y = 0;
                    poin.x = Width ;
                    poin.y = this.Height/2;
                    poin.x = Width / 2;
                    poin.y = Height / 2;
                    poin.x = 0;
                    poin.y = Width;
                    Boolean flag = true;
                   IntPtr  hRgn= CreatePolygonRgn(ref poin,8,1);
                   SetWindowRgn(this.Handle, hRgn, ref flag );
                   this.BackColor = Color.BurlyWood;
                }
                //设置窗体显示状态
               
                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);
                }
            }
        }

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