/// <summary>
/// 获得窗体屏幕图片(此方法有宽度和分辨率不正确性)
/// </summary>
public Bitmap GetScreenData()
{
windowshandle.Rect rect = new windowshandle.Rect();
Bitmap QQPic = new Bitmap(1, 1);
if (!hwnd.Equals(IntPtr.Zero))
{
windowshandle.GetWindowRect(hwnd, ref rect); //获得目标窗体的大小
QQPic = new Bitmap(rect.Right - rect.Left + 300, rect.Bottom - rect.Top + 150);
Graphics g1 = Graphics.FromImage(QQPic);
IntPtr hdc1 = windowshandle.GetDC(hwnd);
IntPtr hdc2 = g1.GetHdc(); //得到Bitmap的DC
windowshandle.BitBlt(hdc2, 0, 0, rect.Right - rect.Left + 300, rect.Bottom - rect.Top + 150, hdc1, 0, 0, windowshandle.SRCCOPY);
g1.ReleaseHdc(hdc2); //释放掉Bitmap的DC
}
return(QQPic);
}
/// <summary>
/// 截取指定窗口
/// </summary>
/// <returns></returns>
public Bitmap GetRunAPPImage()
{
windowshandle.Rect rect = new windowshandle.Rect();
Image img;
try
{
windowshandle.GetWindowRect(hwnd, ref rect); //取控件的矩形
img = new Bitmap(rect.Right - rect.Left, rect.Bottom - rect.Top);
Graphics g = Graphics.FromImage(img);
g.CopyFromScreen(rect.Left, rect.Top, 0, 0, Screen.FromHandle(hwnd).Bounds.Size);
return(new Bitmap(img));
}
catch (Exception ex)
{
MessageBox.Show("出错:" + ex);
}
return(null);
}