>>I have a grid displaying currency in a column where the control for the column has an input mask of "$ 999.99".
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>>When you hover the mouse over any of the rows for that column, VFP is displaying a tooltip of "900.000" (e.g. for a row that shows $900.00).
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>>How can I disable this tooltip from showing up?
>
>To expand on Ed's idea you may want to do it in this column MouseEnter/MouseLeave events (restore in MouseLeave). I'm not 100% certain these two are the only methods you have to worry about.

Grid.MouseLeave/Enter would be safer; though imo using Round(,2) for column.controlsource could resolve it in essense.