摘要: 新增一个自定义控件继承ComboBox,同事在输入事件之前打开下拉框 public partial class ComboBoxEx : ComboBox { public ComboBoxEx() { } private int caretPosition; public override voi 阅读全文
posted @ 2024-10-15 18:53 Hey,Coder! 阅读(97) 评论(0) 推荐(0)