Use Function Keys in Windows application

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VS2010

C#3.5

How to Use Function Keys in Windows application (C#).

Posted 28-Oct-14 19:18pm

chetna2810

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3 solutions

Solution 1

C#

private void <Control>_KeyDown(object sender, KeyEventArgs e)
       {
           switch (e.KeyCode)
           {
               case Keys.F1:
                   break;

               case Keys.F10:
                   break;
               case Keys.F11:
                   break;
               case Keys.F12:
                   break;
               default:
                   break;
           }
       }

this might help you.
http://stackoverflow.com/questions/1707040/handling-function-key-press[^]

Posted 28-Oct-14 19:31pm

kedar001

Updated 28-Oct-14 19:41pm

v3

Solution 2

Hi,

You can use FunctionKeys as shortcuts in your windows application. Just write a KeyDown event for your control and then you match the pressed key

For e.g

C#

if (e.KeyValue >= 112 && e.KeyValue <= 123)
{
MessageBox.Show("You pressed F" + (e.KeyValue - 111).ToString());
} 

or

private void textBox1_KeyDown(object sender, KeyEventArgs e)
{
 if (e.KeyCode == Keys.Enter)
  { MessageBox.Show("Enter key pressed"); }
}

Hope this helps !! :)

Regards,
Praneet

Posted 28-Oct-14 19:33pm

Praneet Nadkar

Comments

chetna2810 29-Oct-14 1:57am

Hello,
You have used KyeDown Event on textbox, But i want to use function keys.
Like If i press F6 then new form will open.

[no name] 29-Oct-14 1:59am

Where you want that F6 event ? on screen or on a control ?

chetna2810 29-Oct-14 2:04am

i want to use these F6 on Screen. Like one form is open and by pressing f6 i want to close this form and open the new one.

[no name] 29-Oct-14 2:10am

See my next solution

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Praneet Nadkar · Accepted Answer · 2014-10-28T20:12:00

Solution 3

Hi,
In your form Load event, try it like this:

C#

private void Form1_Load(object sender, EventArgs e)
{
     this.Focus();
     this.KeyPreview = true;
     this.KeyDown += new KeyEventHandler(Form1_KeyDown);
}

void Form1_KeyDown(object sender, KeyEventArgs e)
{
  // Your logic goes here
}

Hope this helps !!

Regards,
Praneet

Posted 28-Oct-14 20:12pm

Praneet Nadkar

Comments

chetna2810 29-Oct-14 3:25am

Yes, sir it is working.

[no name] 29-Oct-14 4:12am

I am glad that it worked :)