public static DWM_TIMING_INFO?DwmGetCompositionTimingInfo(IntPtr hwnd)
{
if (!Utility.IsOSVistaOrNewer)
{
return(null);
}
DWM_TIMING_INFO value = new DWM_TIMING_INFO
{
cbSize = Marshal.SizeOf(typeof(DWM_TIMING_INFO))
};
HRESULT hrLeft = NativeMethods._DwmGetCompositionTimingInfo(hwnd, ref value);
if (hrLeft == HRESULT.E_PENDING)
{
return(null);
}
hrLeft.ThrowIfFailed();
return(new DWM_TIMING_INFO?(value));
}
public static DWM_TIMING_INFO?DwmGetCompositionTimingInfo(IntPtr hwnd)
{
if (!PlatformUtil.IsOSVistaOrNewer)
{
// API was new to Vista.
return(null);
}
var dti = new DWM_TIMING_INFO {
cbSize = Marshal.SizeOf(typeof(DWM_TIMING_INFO))
};
var hr = _DwmGetCompositionTimingInfo(hwnd, ref dti);
if (hr == HRESULT.E_PENDING)
{
return(null);
}
hr.ThrowIfFailed();
return(dti);
}
public static extern int DwmGetCompositionTimingInfo(IntPtr hwnd, out DWM_TIMING_INFO pTimingInfo);
/// <summary>
/// Retrieves the current composition timing information.
/// </summary>
/// <param name="hwnd">The handle to the window for which the composition timing information should be retrieved.</param>
/// <returns>A pointer to a DWM_TIMING_INFO structure that, when this function returns successfully, receives the current composition timing information for the window. </returns>
public static DWM_TIMING_INFO? DwmGetCompositionTimingInfo(IntPtr hwnd)
{
if (Environment.OSVersion.Version < new Version("6.0"))
{
// API was new to Vista.
return null;
}
var dti = new DWM_TIMING_INFO { cbSize = Marshal.SizeOf(typeof(DWM_TIMING_INFO)) };
DwmGetCompositionTimingInfo(hwnd, ref dti);
return dti;
}
private static extern IntPtr DwmGetCompositionTimingInfo(IntPtr hwnd, ref DWM_TIMING_INFO pTimingInfo);
public static extern int DwmGetCompositionTimingInfo(IntPtr hwnd, ref DWM_TIMING_INFO pTimingInfo);
private static extern HRESULT _DwmGetCompositionTimingInfo(IntPtr hwnd, ref DWM_TIMING_INFO pTimingInfo);
