本文介绍了禁用的提示音进入和退出键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
我要当我按下了文本进入禁用蜂鸣声,我得到。我的的KeyDown 事件是:
私人无效textBox_Zakljucak_KeyDown(对象发件人,KeyEventArgs E) { 如果((e.KeyCode == Keys.Enter)||(e.KeyCode == Keys.Tab)) {父.SelectNextControl(textBox_Zakljucak,真的,真的,真的,真的); } ,否则如果((e.KeyCode == Keys.Back)) { textBox_Zakljucak.Select(textBox_Zakljucak.Text.Length,0); } ,否则如果(!Regex.IsMatch(textBox_Zakljucak.Text,@^ [0-9 .-] + $)) { textBox_Zakljucak.Clear() ; textBox_Zakljucak.Select(textBox_Zakljucak.Text.Length,0); } }解决方案
您要防止keyPressed事件的产生,这是发出哔声的之一。这需要设置SuppressKeyPress属性为true。做出类似于:
IF((e.KeyCode == Keys.Enter)||(e.KeyCode == Keys.Tab)) { Parent.SelectNextControl(textBox_Zakljucak,真的,真的,真的,真的); e.Handled = e.SuppressKeyPress = TRUE; }
I want to disable the beep sound that i get when i press enter in a textbox. My KeyDown event is:
private void textBox_Zakljucak_KeyDown(object sender, KeyEventArgs e) { if ((e.KeyCode == Keys.Enter) || (e.KeyCode == Keys.Tab)) { Parent.SelectNextControl(textBox_Zakljucak, true, true, true, true); } else if ((e.KeyCode == Keys.Back)) { textBox_Zakljucak.Select(textBox_Zakljucak.Text.Length, 0); } else if (!Regex.IsMatch(textBox_Zakljucak.Text, @"^[0-9.-]+$")) { textBox_Zakljucak.Clear(); textBox_Zakljucak.Select(textBox_Zakljucak.Text.Length, 0); } }解决方案
You have to prevent the KeyPressed event from being generated, that's the one that beeps. That requires setting the SuppressKeyPress property to true. Make that look similar to:
if ((e.KeyCode == Keys.Enter) || (e.KeyCode == Keys.Tab)) { Parent.SelectNextControl(textBox_Zakljucak, true, true, true, true); e.Handled = e.SuppressKeyPress = true; }
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禁用的提示音进入和退出键C#
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