## Presentation Device Driver Reference for OS/2

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### GreCharStr Return Value - rc

rc (LONG) - returns Return codes.

This function returns a LONG value as an error indicator.

NO_ERROR Successful.
GRE_INVALID_COLUMN_INDEX Invalid column index.
CE_INVALID_PRESENTATION_SPACE Error. For example, this message might be returned as a result of an invalid CellByteSize.
CE_INVALID_ROW_INDEX Invalid row index.
GRE_NEGATIVE_LENGTH Negative length.