public static int GetDpiForMonitor(IntPtr hMonitor, MonitorDpiType dpiType, out Interop.DpiScale dpi)
{
var result = GetDpiForMonitor(hMonitor, dpiType, out var x, out var y);
dpi = new Interop.DpiScale(x, y);
return(result);
}
/// <summary>
/// Gets the DPI for the current display.
/// </summary>
/// <remarks>
/// Consider using the <see cref="CompositionTarget.TransformToDevice"/> matrix, provided by <see cref="PresentationSource.CompositionTarget"/> instead.
/// </remarks>
/// <param name="window">Window.</param>
/// <param name="defaultWindow">Determines the function's return value if the window does not intersect any display monitor.</param>
/// <param name="dpiScale">The dpi scale for the current monitor.</param>
/// <returns>True if the function succeeded.</returns>
public static bool TryGetDpiForCurrentMonitor(this Window window, DefaultWindow defaultWindow, out Interop.DpiScale dpiScale)
{
IntPtr hMonitor = NativeMethods.MonitorFromWindow(window.GetHandle(), defaultWindow);
if (hMonitor != IntPtr.Zero && NativeMethods.GetDpiForMonitor(hMonitor, MonitorDpiType.MDT_EFFECTIVE_DPI, out dpiScale) == 0)
{
return(true);
}
dpiScale = default;
return(false);
}
