Ruslan Goncharov: Mandatory property for DialogField

[kashperuk]

Здесь следует учитывать вот это

Цитата:

Mandatory property starts working only after a value is entered into the control. What this means is that if you simply press OK right after the dialog is opened, you won't receive an error (regular forms works this way too)

взято отсюда:
http://kashperuk.blogspot.com/2007/0...xtensions.html