Optimize OnBlur event in Panel and add in GroupBox

[apicito]

Very useful when trying to validate a set of edits.

 

DelphiDeveloper gives a solution in this case for TPanel:

http://forums.unigui.com/index.php?/topic/3981-form-onblur-validation-for-multiple-fields/

 

But I think it would be interesting to simplify the management of this event in TPanel and add

in GroupBox

Regards.