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8.3.7 VarIsEmpty

VarIsEmpty returns a Boolean True if the Subject variant does not contain a value, otherwise it returns a Boolean False.

     VarIsEmpty( Subject )

Example

This statement checks if a value has been assigned to a grid cell:

     If (VarIsEmpty( #grid_1.focusCell.column.EditorPArt ))
        Use Builtin(MESSAGE_BOX_SHOW) With_Args(OK OK Information 'Variant' 'The variant has not yet been assigned a value.')
     Endif