EditorGUIUtility.CommandEvent 命令事件

var win : EditorWindow;

// Sends a paste event to an EditorWindow, as if Paste was selected from the Edit menu.
//发送一个粘贴事件到编辑器窗口，仿佛从编辑菜单中选择粘贴。
win.SendEvent(EditorGUIUtility.CommandEvent("Paste"));