I made a program that reacts on a certain message.
I now made a component of it.
Why in the hell (excuse my language) doesn't get this component the message? The source code is the same. In the program, the computer reacts on the message. But if I put this component on a form. It doesn't react on the message!
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This Article will show you how to validate number with TEdit control,
What's the TEdit control?
TEdit is a standard Windows edit control on a form, it allows to user to write, read and copy/paste single line of text.
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