这是一个事件的辅助类,可以通过它实现MenuItem的Command事件 public class MyCommands : Freezable, ICommand, ICommandSource { public MyCommands() { } public static readonly DependencyProperty CommandParameterProperty = DependencyProperty.Register( "CommandParameter", ty
布局相关: Grid as title Binding Path="", Mode= TwoWay, model should implement IPropertyChanged interface. Binding without path, can be with "Source={StaticResource ResourceKey=Hello}" DataContext="" DataTemplate use ListBox , St