public IntPtr? CursorHandleGet(int x, int y)
{
var pt = new User32.POINT { x = x, y = y };
User32.ClientToScreen(hwnd, ref pt);
User32.SetCursorPos(pt.x, pt.y);
Thread.Sleep(20);
var info = new User32.CursorInfo();
info.Size = Marshal.SizeOf(info.GetType());
if (User32.GetCursorInfo(out info))
return info.Handle;
return null;
}
/// <summary>
/// Creates an Image object containing a screen shot of a specific window
/// </summary>
/// <param name="handle">The handle to the window. (In windows forms, this is obtained by the Handle property)</param>
/// <returns></returns>
public Bitmap CaptureWindow(IntPtr handle)
{
// get te hDC of the target window
IntPtr hdcSrc = User32.GetWindowDC(handle);
// get the size
User32.RECT windowRect = new User32.RECT();
User32.GetWindowRect(handle, ref windowRect);
User32.RECT clientRect = new User32.RECT();
User32.GetClientRect(handle, out clientRect);
User32.POINT point = new User32.POINT {
x = 0, y = 0
};
User32.ClientToScreen(handle, ref point);
int x = point.x - windowRect.left;
int y = point.y - windowRect.top;
int width = (clientRect.right - clientRect.left);
int height = (clientRect.bottom - clientRect.top);
// create a device context we can copy to
IntPtr hdcDest = GDI32.CreateCompatibleDC(hdcSrc);
// create a bitmap we can copy it to,
// using GetDeviceCaps to get the width/height
IntPtr hBitmap = GDI32.CreateCompatibleBitmap(hdcSrc, width, height);
// select the bitmap object
IntPtr hOld = GDI32.SelectObject(hdcDest, hBitmap);
// bitblt over
GDI32.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, x, y, GDI32.SRCCOPY);
// restore selection
GDI32.SelectObject(hdcDest, hOld);
// clean up
GDI32.DeleteDC(hdcDest);
User32.ReleaseDC(handle, hdcSrc);
// get a .NET image object for it
Bitmap img = Image.FromHbitmap(hBitmap);
// free up the Bitmap object
GDI32.DeleteObject(hBitmap);
return(img);
}
public IntPtr?CursorHandleGet(int x, int y)
{
var pt = new User32.POINT {
x = x, y = y
};
User32.ClientToScreen(hwnd, ref pt);
User32.SetCursorPos(pt.x, pt.y);
Thread.Sleep(20);
var info = new User32.CursorInfo();
info.Size = Marshal.SizeOf(info.GetType());
if (User32.GetCursorInfo(out info))
{
return(info.Handle);
}
return(null);
}
/// <summary>
/// Creates an Image object containing a screen shot of a specific window
/// </summary>
/// <param name="handle">The handle to the window. (In windows forms, this is obtained by the Handle property)</param>
/// <returns></returns>
public Bitmap CaptureWindow(IntPtr handle)
{
// get te hDC of the target window
IntPtr hdcSrc = User32.GetWindowDC(handle);
// get the size
User32.RECT windowRect = new User32.RECT();
User32.GetWindowRect(handle, ref windowRect);
User32.RECT clientRect = new User32.RECT();
User32.GetClientRect(handle, out clientRect);
User32.POINT point = new User32.POINT { x = 0, y = 0 };
User32.ClientToScreen(handle, ref point);
int x = point.x - windowRect.left;
int y = point.y - windowRect.top;
int width = (clientRect.right - clientRect.left);
int height = (clientRect.bottom - clientRect.top);
// create a device context we can copy to
IntPtr hdcDest = GDI32.CreateCompatibleDC(hdcSrc);
// create a bitmap we can copy it to,
// using GetDeviceCaps to get the width/height
IntPtr hBitmap = GDI32.CreateCompatibleBitmap(hdcSrc, width, height);
// select the bitmap object
IntPtr hOld = GDI32.SelectObject(hdcDest, hBitmap);
// bitblt over
GDI32.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, x, y, GDI32.SRCCOPY);
// restore selection
GDI32.SelectObject(hdcDest, hOld);
// clean up
GDI32.DeleteDC(hdcDest);
User32.ReleaseDC(handle, hdcSrc);
// get a .NET image object for it
Bitmap img = Image.FromHbitmap(hBitmap);
// free up the Bitmap object
GDI32.DeleteObject(hBitmap);
return img;
}
