protected virtual unsafe CefRect GetCefRootBounds()
{
VirtualDevice device = Device;
if (device == null)
{
const int GA_ROOT = 2;
RECT windowBounds;
IntPtr hwnd = NativeMethods.GetAncestor(OffscreenGraphics.WidgetHandle, GA_ROOT);
if ((NativeMethods.DwmIsCompositionEnabled() && NativeMethods.DwmGetWindowAttribute(hwnd, DWMWINDOWATTRIBUTE.ExtendedFrameBounds, &windowBounds, sizeof(RECT)) == 0) ||
NativeMethods.GetWindowRect(hwnd, out windowBounds))
{
float ppd = OffscreenGraphics.PixelsPerDip;
if (ppd == 1.0f)
{
return(windowBounds.ToCefRect());
}
return(new CefRect(
(int)(windowBounds.Left / ppd),
(int)(windowBounds.Top / ppd),
(int)((windowBounds.Right - windowBounds.Left) / ppd),
(int)((windowBounds.Bottom - windowBounds.Top) / ppd)
));
}
return(OffscreenGraphics.GetBounds());
}
else
{
return(device.GetRootBounds());
}
}
