Radio Button

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I want to uncheck a (radio button) on the 2nd click. (e.g. I click once, it puts a check mark - I click a second time, it removes it).

Posted 25-Jan-11 1:40am

Rohit from Delhi

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keyur satyadev · Answer 1 · 2011-01-25T01:44:00

Solution 2

Hi
you can use check box for same. why you want to use radio button for same. is there any specific requirement then please let us know here.

Posted 25-Jan-11 1:44am

keyur satyadev

Sergey Alexandrovich Kryukov · Answer 2 · 2011-01-25T05:02:00

This would be abuse of well-known and expected UI behavior. As Keyur Satyadev correctly put it, it's a check box behavior (already available).

(Even is somebody required something like that, your responsibility is to deny it, explain why it should be done -- communicate and regulate the situation. Such things happen.)

Pravin Patil, Mumbai · Answer 3 · 2011-01-25T01:43:00

Solution 1

I will suggest you to use Checkbox control where you can actually do what you have asked.
But radio button is only that you want to use refer following code :

bool blnState;

public Form1()
{
    InitializeComponent();
}

private void radioButton1_MouseDown(object sender, MouseEventArgs e)
{
    blnState = radioButton1.Checked;
}

private void radioButton1_MouseUp(object sender, MouseEventArgs e)
{
    radioButton1.Checked = !blnState;
}

where radioButton1 is the name of the radio button that you are using.
I have used the mousedown and mouseup events of this control.

Posted 25-Jan-11 1:43am

Pravin Patil, Mumbai

Comments

Yusuf 25-Jan-11 11:25am

First off, this is not the way to do. There is a checkbox which basically works the way the OP wants.

Second, you are handling MouseDown and MouseUp. A click fires both. Since you are the action, it nothing will change. You need to handle what you doing on the click event.

BUT DON"T DO IT!

Pravin Patil, Mumbai 26-Jan-11 2:53am

Hi Yusuf, Please read my first line.

I will suggest you to use Checkbox control where you can actually do what you have asked.
But radio button is only that you want to use refer following code :

I suggested to use Checkbox only, but you can do this using radio button also. And secondly this code works fine, Do test it. You can not handle it on click event.