Close Application at Press of Escape Button

There are various ways to close an application by pressing the Escape button, using C#. Here are a few:

  • Way 1: Simply add the below given code in your Windows program:
[sourcecode language=”csharp”] protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if (keyData == Keys.Escape) this.Close();
bool res = base.ProcessCmdKey(ref msg, keyData);
return res;
}
[/sourcecode]
  • Way 2: Write the below code in the ‘KeyPress’ event of a form:
[sourcecode language=”csharp”] if (e.KeyChar == (char)27)
this.Close();
[/sourcecode]
  • Way 3: Select properties of Form and select ‘KeyPreview’  and change it from ‘false’ to ‘true’‘. [By default, its value is ‘false’] Then write the below code in the ‘KeyUp’ event of the Form:
[sourcecode language=”csharp”] private void Form1_KeyUp(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Escape)
this.Close();
}
[/sourcecode]
so after taking these all steps, you will able to close application at press of escape button.
Article Posted in CP
I’ve also posted this article as a Tips/Tricks in CodeProject.
Take a look There

2 thoughts on “Close Application at Press of Escape Button”

  1. nancy says:

    I was looking for it. very helpful

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