按钮从文本框中删除焦点c＃

本文介绍了按钮从文本框中删除焦点c＃的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 29岁程序员，3月因学历无情被辞！ 你好， 我用c＃中的按钮制作了一个键盘（触摸屏）我想写按钮点击功能作为退格键但每次按下backspace我专注的texbox失去了它的焦点创建错误只需键盘就好了Hello,I have made a keyboard(touchscreen) out of buttons in c# I want to write the function for button click as backspace but every time I press backspace my focused texbox loosing its focus creating errors working with just keyboard it fineint index = focusedTextbox.SelectionStart; focusedTextbox.Text = focusedTextbox.Text.Remove(focusedTextbox.SelectionStart - 1, 1); focusedTextbox.Select(index - 1, 1) 谢谢你的帮助thank you for your help推荐答案ButtonClickEventHandler(....){string text = focusedtextbox.Text;string newText = text.Substring(0, text.Length - 1);Dispatcher.CurrentDispatcher.BeginInvoke(() => focusedtextbox.text = newText);Dispatcher.CurrentDispatcher.BeginInvoke(() => focusedtextbox.Focus());} 这篇关于按钮从文本框中删除焦点c＃的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 上岸，阿里云！