TextBox光标的问题

上传者: ldhbest | 上传时间: 2022-11-03 09:57:55 | 文件大小: 31KB | 文件类型: RAR
在TextBox中获取光标的位置,并在光标位置插入字符,根据光标定位删除光标前的字符。顺便说一下,把字符串中的字母转换成大写的用.ToUpper(),转换成小写的用.ToLower();具体实例在我写的示例中,与大家分享一下。

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