private static void ExecuteDataGridDoubleClick(object sender, MouseButtonEventArgs args)
{
DataGrid @this = sender as DataGrid;
ICommand cmd;
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
cmd = @this?.GetValue(DataGridDoubleClickWithModifierProperty) as ICommand;
}
else
{
cmd = @this?.GetValue(DataGridDoubleClickProperty) as ICommand;
}
if (cmd == null)
{
return;
}
DataGridRow row = VisualTreeHelpers.FindAncestor <DataGridRow>(args.OriginalSource as DependencyObject);
object parameter = row?.DataContext ?? @this.SelectedItem;
if (cmd.CanExecute(parameter))
{
cmd.Execute(parameter);
}
}
private static void Element_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
if ((Keyboard.Modifiers & ModifierKeys.Control) != 0)
{
// Raise to top window
var eventArg = new MouseWheelEventArgs(e.MouseDevice, e.Timestamp, e.Delta)
{
RoutedEvent = UIElement.MouseWheelEvent,
Source = sender
};
var parent = VisualTreeHelpers.FindAncestor <Window>(sender as DependencyObject);
parent?.RaiseEvent(eventArg);
}
}
