invalidate-cell

Arguments: row column &optional (row-num 0) (column-num 0)redraw-now-p data-area-only-p

Invalidates (tells the operating system that the image may be corrupted) the grid cell. The keyword arguments specify the row and column number and also whether redrawing should be immediate and whether the data area or the whole thing should be invalidated. If redrawing is not immediate, it will occur whenever the redrawing would normally be done.

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Created 2010.1.21.