AcDbTable::setToolTip

Acad::ErrorStatus setToolTip(
    int nRow, 
    int nCol, 
    const ACHAR* pszToolTip
);

Sets the tooltip string for cell, row, or column.

To specify cell, pass a valid row and column indices.

To specify row, pass a valid row index and pass -1 as column index.

To specify column pass a valid column index and pass -1 as row index.

Returns Acad::eOk if successful; otherwise, returns an AutoCAD error status.

Parameters	Description
nRow	Input row index. This can be -1.
nCol	Input column index. This can be -1.
pszToolTip	Input tool tip string to set