ManagedForm.OnOpen

OnOpen(<Cancel>)Type: Boolean.
Indicates that object writing is cancelled. If you set this parameter to True in the body of the handler procedure, the object will not be written.
Default value: False.Occurs on the client after a form is opened, but before the window is displayed for the user. Please note that opening another form in this handler activates the opened form and then activates the current form.

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