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Tech Tip: Using the On Data Change Form Event
PRODUCT: 4D | VERSION: | PLATFORM:
Published On: November 17, 2000
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When using the On Data Change event for a modifiable form object, you might think it will execute whenever the objects data has changed. However, this only applies to objects modified by the user, if you change the value of an object inside a 4D method, the On Data Change event will not be triggered.
For reference see the command Form Event.