请问我如何绘制上屏幕的鼠标呢?????
using System;using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Windows.Forms;
namespace CopySreen
{
public class SreenCopy
{
[System.Runtime.InteropServices.DllImportAttribute("gdi32.dll")]
private static extern bool BitBlt(
IntPtr hdcDest, //目标设备的句柄
int nXDest, // 目标对象的左上角的X坐标
int nYDest, // 目标对象的左上角的X坐标
int nWidth, // 目标对象的矩形的宽度
int nHeight, // 目标对象的矩形的长度
IntPtr hdcSrc, // 源设备的句柄
int nXSrc, // 源对象的左上角的X坐标
int nYSrc, // 源对象的左上角的X坐标
System.Int32 dwRop // 光栅的操作值
);
[System.Runtime.InteropServices.DllImportAttribute("gdi32.dll")]
private static extern IntPtr CreateDC(
string lpszDriver, // 驱动名称
string lpszDevice, // 设备名称
string lpszOutput, // 无用,可以设定位"NULL"
IntPtr lpInitData // 任意的打印机数据
);
public static Bitmap GetSreem()
{
IntPtr dc1 = CreateDC("DISPLAY", null, null, (IntPtr)null);
//创建显示器的DC
Graphics g1 = Graphics.FromHdc(dc1);
//由一个指定设备的句柄创建一个新的Graphics对象
Bitmap MyImage = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, g1);
//根据屏幕大小创建一个与之相同大小的Bitmap对象
Graphics g2 = Graphics.FromImage(MyImage);
//获得屏幕的句柄
IntPtr dc3 = g1.GetHdc();
//获得位图的句柄
IntPtr dc2 = g2.GetHdc();
//把当前屏幕捕获到位图对象中
BitBlt(dc2, 0, 0, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, dc3, 0, 0, 13369376);
//把当前屏幕拷贝到位图中
g1.ReleaseHdc(dc3);
//释放屏幕句柄
g2.ReleaseHdc(dc2);
return MyImage;
}
[System.Runtime.InteropServices.DllImportAttribute("user32.dll")]
private static extern IntPtr GetDC(IntPtr hwnd);
}
}
请问我如何绘制上屏幕的鼠标呢????? --------------------编程问答--------------------
--------------------编程问答-------------------- 不想用.NET的来绘制,我API如何绘,能给我改改上面的代码吗/
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
this.Cursor.Draw(e.Graphics, this.ClientRectangle);
}
补充:.NET技术 , C#