/// <summary>
/// Handles DPI changed event.
/// </summary>
protected virtual void HandleDpiChanged(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (!OsVersion.Is10Redstone1OrNewer)
{
var dpi = DpiScaleExtension.FromIntPtr(wParam);
VisualTreeHelper.SetRootDpi(_window, dpi);
handled = true;
}
}
/// <summary>
/// Processes windows message sent to NotifyIcon.
/// </summary>
/// <param name="m">Message</param>
protected virtual void WndProc(ref Message m)
{
switch (m.Msg)
{
case WM_DPICHANGED:
var oldDpi = _dpi;
_dpi = DpiScaleExtension.FromIntPtr(m.WParam);
if (!oldDpi.Equals(_dpi))
{
OnDpiChanged(oldDpi, _dpi);
}
m.Result = IntPtr.Zero;
break;
}
}