private static void OnKeyDown(object sender, KeyEventArgs e)
{
if (e.OriginalSource == sender && e.Key == Key.Space)
{
// ignore alt + space which invokes the system menu
if ((Keyboard.Modifiers & ModifierKeys.Alt) == ModifierKeys.Alt)
{
return;
}
VirtualToggleButton.UpdateIsChecked((DependencyObject)sender);
e.Handled = true;
}
}
private static void UpdateIsChecked(DependencyObject d)
{
bool?isChecked = VirtualToggleButton.GetIsChecked(d);
if (isChecked.HasValue == false)
{
VirtualToggleButton.SetIsChecked(d, false);
}
else if (isChecked == true)
{
VirtualToggleButton.SetIsChecked(d, false);
}
else if (isChecked == false)
{
VirtualToggleButton.SetIsChecked(d, true);
}
}
private static void OnMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
e.Handled = true;
VirtualToggleButton.UpdateIsChecked((DependencyObject)sender);
}