Sets how the baseline should be positioned on @row of the grid, in case that row is assigned more space than is requested.
The default baseline position is %GTK_BASELINE_POSITION_CENTER.
a row index
a GtkBaselinePosition
See Implementation
Sets how the baseline should be positioned on @row of the grid, in case that row is assigned more space than is requested.
The default baseline position is %GTK_BASELINE_POSITION_CENTER.