C#Windows应用程序KeyPress事件 [英] C# windows application KeyPress event

问题描述

大家好，

我正在寻找KeyPress事件的代码.

Hi All,

I''m looking for code for a KeyPress event.

Can any help me or give me the code for KeyPress event for textbox?

推荐答案

文本框具有KeyPress事件.
因此，您可以在该事件内编写逻辑.

Textbox is having KeyPress event.
So you can write your logic inside that event.

public textbox1_KeyPress(object sender,KeyPressEventArgs e)
{
e.KeyChar=char.ToUpper(e.KeyChar);//converts the entered char to upper
}

如果要对按下的按键进行任何验证，则可以在keydown事件中进行验证，并将布尔值传递给keypress事件，根据布尔值可以执行所需的操作



希望对您有帮助！

if you want to do any validations of the pressed key,you can do it in keydown event and pass a boolean value to keypress event,based on the bool value you can perform the operation you need



Hope it helps!!

myEditBox.KeyPress += (sender, eventArgs) => {
  MessageBox.Show(
    "You can examime eventArgs to see what key is pressed and act accordingly (even cancel the press)");
};

—SA

—SA

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