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C# Discussion Thread
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Views: 4189

Nov 3rd, 2009

close button event for form

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how can i control the close button in a form....
(the three bottons minimize,maxi,close for all windows form)
i hav attached a fig... jst check it...
n pls reply

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bk_bhupendra

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Nov 3rd, 2009

Re: close button event for form

You can handle the close event on the form using the following event handler:

C# Syntax (Toggle Plain Text)
        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (DialogResult.No == MessageBox.Show("Exit without saving changes?", "Data Not Saved", MessageBoxButtons.YesNo))
                e.Cancel = true;
        }
        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (DialogResult.No == MessageBox.Show("Exit without saving changes?", "Data Not Saved", MessageBoxButtons.YesNo))
                e.Cancel = true;
        }

The above event will be called whenever the Close() method is executed. Use e.Cancel = true to stop the form from being closed.

Last edited by DdoubleD; Nov 3rd, 2009 at 10:37 am.

DdoubleD

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Posting Shark

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Nov 4th, 2009

sry its nt wrking....

Quote ...

Hey its not working...
sud i doudl click smthing jst lik in case of bottons
doubleclicking on that "red cross" results in page load...

bk_bhupendra

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Nov 4th, 2009

Re: close button event for form

Double clicking on a control will create the default event handler. To create handles for other events, got to the properties panel and change to the Events section (lightning bolt at top).
Then double click on the area next to the required event and a basic event handler will be created for you.

Check out the image to see where you ened to click.

Remember to mark the thread as solved if this answered your question.

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Ryshad

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Nearly a Posting Virtuoso

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Nov 5th, 2009

Re: close button event for form

You can also add the event handler directly in your form's constructor in the form of:

C# Syntax (Toggle Plain Text)
        public Form1()
        {
            InitializeComponent();
            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Form1_FormClosing);
         }
        public Form1()
        {
            InitializeComponent();
            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Form1_FormClosing);
         }

DdoubleD

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Posting Shark

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Nov 5th, 2009

Re: close button event for form

If you need to customize all 3 of the buttons events, the standard practice is to create a your own title bar control such as seen on AIM and Y! instant messengers.

otherwise, DDoubleD has the right idea.

Diamonddrake

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