/*
* // Dpi awareness context values. Matching windows values.
* public static readonly DPI_AWARENESS_CONTEXT DPI_AWARENESS_CONTEXT_UNAWARE = (-1);
* public static readonly DPI_AWARENESS_CONTEXT DPI_AWARENESS_CONTEXT_SYSTEM_AWARE = (-2);
* public static readonly DPI_AWARENESS_CONTEXT DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE = (-3);
* public static readonly DPI_AWARENESS_CONTEXT DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 = (-4);
* public static readonly DPI_AWARENESS_CONTEXT DPI_AWARENESS_CONTEXT_UNSPECIFIED = (0);*/
internal static DpiAwarenessContext GetDpiAwarenessContextForWindow(IntPtr hWnd)
{
DpiAwarenessContext dpiAwarenessContext = DpiAwarenessContext.DPI_AWARENESS_CONTEXT_UNSPECIFIED;
if (OsVersion.IsWindows10_1607OrGreater)
{
// Works only >= Windows 10/1607
IntPtr awarenessContext = User32.GetWindowDpiAwarenessContext(hWnd);
User32.DPI_AWARENESS awareness = User32.GetAwarenessFromDpiAwarenessContext(awarenessContext);
dpiAwarenessContext = ConvertToDpiAwarenessContext(awareness);
}
return(dpiAwarenessContext);
}
private static DpiAwarenessContext ConvertToDpiAwarenessContext(User32.DPI_AWARENESS dpiAwareness)
{
switch (dpiAwareness)
{
case User32.DPI_AWARENESS.UNAWARE:
return(DpiAwarenessContext.DPI_AWARENESS_CONTEXT_UNAWARE);
case User32.DPI_AWARENESS.SYSTEM_AWARE:
return(DpiAwarenessContext.DPI_AWARENESS_CONTEXT_SYSTEM_AWARE);
case User32.DPI_AWARENESS.PER_MONITOR_AWARE:
return(DpiAwarenessContext.DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
default:
return(DpiAwarenessContext.DPI_AWARENESS_CONTEXT_SYSTEM_AWARE);
}
}
