禁用的提示音进入和退出键C# [英] Disable beep of enter and escape key c#
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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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