private static Bitmap Screenshot(IntPtr hWnd)
{
try
{
IntPtr hDC = USER32.GetWindowDC(hWnd);
RECT windowRect = new RECT();
USER32.GetWindowRect(hWnd, ref windowRect);
int width = windowRect.right - windowRect.left;
int height = windowRect.bottom - windowRect.top;
IntPtr hdcDest = GDI32.CreateCompatibleDC(hDC);
IntPtr hBitmap = GDI32.CreateCompatibleBitmap(hDC, width, height);
IntPtr hObj = GDI32.SelectObject(hdcDest, hBitmap);
GDI32.BitBlt(hdcDest, 0, 0, width, height, hDC, 0, 0, USER32.SRCCOPY | USER32.CAPTUREBLT);
GDI32.SelectObject(hdcDest, hObj);
GDI32.DeleteDC(hdcDest);
USER32.ReleaseDC(hWnd, hDC);
Bitmap image = Image.FromHbitmap(hBitmap);
GDI32.DeleteObject(hBitmap);
return(image);
}
catch
{
return(new Bitmap(100, 100));
}
}
private static Bitmap Screenshot2(IntPtr hWnd)
{
try
{
Graphics g = Graphics.FromHwnd(hWnd);
Rectangle rect = Rectangle.Round(g.VisibleClipBounds);
if (rect.IsEmpty)
{
return(Screenshot(hWnd));
}
Bitmap bitmap = new Bitmap(rect.Width, rect.Height, g);
Graphics imgGraphics = Graphics.FromImage(bitmap);
IntPtr hdc = imgGraphics.GetHdc();
bool canCapture = USER32.PrintWindow(hWnd, hdc, 3);
imgGraphics.ReleaseHdc(hdc);
return(bitmap);
}
catch
{
return(new Bitmap(100, 100));
}
}
public static List <ProcessApi> GetRunnningProcesses()
{
var list = new List <ProcessApi>();
EnumDelegate filter = delegate(IntPtr hWnd, int lParam)
{
var result = new StringBuilder(255);
USER32.GetWindowText(hWnd, result, result.Capacity + 1);
string title = result.ToString();
if (!string.IsNullOrEmpty(title) && USER32.IsWindowVisible(hWnd) && !title.Equals("Program Manager"))
{
list.Add(new ProcessApi
{
Title = title,
Handle = hWnd
});
}
return(true);
};
USER32.EnumDesktopWindows(IntPtr.Zero, filter, IntPtr.Zero);
list = list.Where(r =>
{
int clocked;
long result = DWMAPI.DwmGetWindowAttribute(r.Handle, DWMAPI.DWMWA_CLOAKED, out clocked, sizeof(int));
if (result != 0L)
{
clocked = 0;
}
return(clocked == 0);
}).ToList();
return(list);
}
public static BitmapImage ScreenshotScreen()
{
IntPtr windowHandle = USER32.GetDesktopWindow();
return(ConvertToBitmapImage(Screenshot(windowHandle)));
}
