摘要:
封装一个异步方法类: using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Collections.Specialized; using System.Co 阅读全文
摘要:
在xmal.cs文件中实现,或者重写OnPreviewKeyDown()方法: string codeValue = ""; int InputCount = 0; protected override void OnPreviewKeyDown(KeyEventArgs e) { int keyV 阅读全文