FormTable.BeforeExpand

Syntax:

BeforeExpand(<Row>, <Cancel>)

Parameters:

<Row>

Type: Arbitrary.
Row that will be expanded.
The value type depends on type of data displayed in the table.

<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.

Description:

Called before expanding a table node that is displayed as a tree.

Note:

In the handler of this event, you cannot use form server methods with the compiler directive &AtServer.

    

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