private void EnableBlurIfApplicable()
{
if ((_viewModel.State == FlyoutViewModel.ViewState.Opening || _viewModel.State == FlyoutViewModel.ViewState.Open) &&
SystemSettings.IsTransparencyEnabled && !SystemParameters.HighContrast)
{
User32.AccentFlags location = User32.AccentFlags.None;
switch (WindowsTaskbar.Current.Location)
{
case WindowsTaskbar.Position.Left:
location = User32.AccentFlags.DrawRightBorder | User32.AccentFlags.DrawTopBorder;
break;
case WindowsTaskbar.Position.Right:
location = User32.AccentFlags.DrawLeftBorder | User32.AccentFlags.DrawTopBorder;
break;
case WindowsTaskbar.Position.Top:
location = User32.AccentFlags.DrawLeftBorder | User32.AccentFlags.DrawBottomBorder;
break;
case WindowsTaskbar.Position.Bottom:
location = User32.AccentFlags.DrawTopBorder | User32.AccentFlags.DrawLeftBorder;
break;
}
AccentPolicyLibrary.EnableAcrylic(this, Themes.Manager.Current.ResolveRef(this, "AcrylicColor_Flyout"), location);
}
else
{
DisableAcrylic();
}
}
public static void EnableAcrylic(Visual target, Color color, User32.AccentFlags flags)
{
SetAccentPolicy(HandleFromVisual(target),
new User32.AccentPolicy
{
AccentFlags = flags,
AccentState = AccentPolicySupportsTintColor ? User32.AccentState.ACCENT_ENABLE_ACRYLICBLURBEHIND : User32.AccentState.ACCENT_ENABLE_BLURBEHIND,
GradientColor = color.ToABGR(),
});
}
