CXTPMaskEdit mandatory fields?

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   Hi
I have a mask for my control which is ">> / >>" with the literal "__ / __"

This will mostly do what I want.
One thing that I have not found out is to force the user to enter letters instead of the underscore?
Now the user can exit the editing with the input "AB / __", which does not work at all for me. 
I need them to enter all letters.
Can I somehow force this behaviour?

I now have made a check for this after in OnEndEdit notification, but the only thing I can at that moment is to notify the user with a messagebox and restore the text as it was before editing.

/Mats

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matsjansson Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 09 May 2023 Location: Solna Status: Offline Points: 19	Post Options Post Reply Quote matsjansson Report Post Thanks(0) Quote Reply Topic: CXTPMaskEdit mandatory fields? Posted: 21 February 2025 at 3:06am
	Hi I have a mask for my control which is ">> / >>" with the literal "__ / __" This will mostly do what I want. One thing that I have not found out is to force the user to enter letters instead of the underscore? Now the user can exit the editing with the input "AB / __", which does not work at all for me. I need them to enter all letters. Can I somehow force this behaviour? I now have made a check for this after in OnEndEdit notification, but the only thing I can at that moment is to notify the user with a messagebox and restore the text as it was before editing. /Mats