C validating close form chris beetem dating

private void add File_Form Closing( object sender, Form Closing Event Args e ) { var close Msg = Message Box. I have a Windows Form with an edit box and a Cancel button. The code is executed every time the edit box loses focus.

Neither the Process Dialog Keys nor Validating handler answers worked for me, perhaps because I'm using an error Provider instead of a Message Box.

I have a windows form that validates if there is text in a text box, which works well when going through the rest of the form, however, if the user just wants to click the close(x) button in the upper right corner instead of actually running the application, I get the exception handling message of text not being in the text box instead of the application exiting.

I looked around here and looked at other questions in regards to detecting the close button being pushed and that led me to trying the below.

The User Control inherit an interface (like IEdit View) that has functions for Save, Cancel, Validate and Toggle Validate.

In the shell form we used the mouse enter and mouse leave like so: on the close button and on the form itself (X to close). While reading through the comments I spotted one that appears to work perfectly on the form close event , not the close button (so it will fire when X is clicked also) This did the trick.

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Cancel Button vs Escape Key I am trying to work out the C solution.

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