>I can't seem to be able to disable a Grid. When the user is editing data (in TextBoxes below the Grid), I want to avoid the user clicking on the Grid (so he doesn't select another record).
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>I tried returning .F. in the Grid.When() Event, to set .Enabled = .F. for the Grid and even for all contained objects (with .SetAll()), but at runtime, the user can still click on the Grid; and although the user can't select any data, the first record of the underlying cursor invariably gets selected.

Setting Grid.Enabled = .F. should do the trick