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How do I implements ESC key to exit the MessageBox dialog C#

Posted on 2009-04-01
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Last Modified: 2012-05-06
Hello,

I'm trying to implement the code that when I press the ESC key in a MessageBox dialog C#, that action close the dialog box, but I don't know how I do this.

Moreover, the form is inherited of another form, and I have the method that calls the MessageBox in the "base" form.

Any idea?
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Question by:ReaL10
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Expert Comment

by:Dhaest
ID: 24036819
Can you show some code, because I thought that if you press the escape-key, the dialog box will be closed with the cancel as argument
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Author Comment

by:ReaL10
ID: 24036877
I have the MessageBox calls in a class where I have differents functions to call some MessageBox of the application, and I call this function in a method in the "upper" form, because my form is inherited.

I don't have an special code.
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Author Comment

by:ReaL10
ID: 24036904
The MessageBox is to delete a register, and it has "Yes" and "No" buttons, but it hasn't a "Cancel" button.

Could it be that this doesn't work for the ESC key?
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LVL 53

Accepted Solution

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Dhaest earned 1500 total points
ID: 24036917
That's correct.
From msdn: If a message box has a Cancel button, the function returns the IDCANCEL value if either the ESC key is pressed or the Cancel button is selected. If the message box has no Cancel button, pressing ESC has no effect.

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Author Comment

by:ReaL10
ID: 24036938
But... There any way to implement the "No" MessageBox button for to have the ESC pressing effect without "Cancel" button?
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LVL 53

Expert Comment

by:Dhaest
ID: 24037799
It's possible, but than you'll have to override the messagebox-class (which is not that simple).
Another approach is to create a form (that looks like a messagebox), and cath the keypress-event on that form...
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Author Comment

by:ReaL10
ID: 24038661
I think it's more easy to put the Cancel button in the MessageBox.

Thanks.
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Author Comment

by:ReaL10
ID: 24038675
I put B and "partially" because I don't know what I had to put.
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