- (grid-append! GRID CONTROL LEFT TOP [XSPAN YSPAN HEXPAND HALIGN VEXPAND VALIGN])procedure
Appends CONTROL to GRID. LEFT and TOP are integer positions in the grid with 0 and 0 referring to the upper left corner. XSPAN and YSPAN control over how many cells the appended control will span and default to 1. If HEXPAND or HALIGN is #t, the control will expand to the entire cell size instead of its natural size. HALIGN and VALIGN control the alignment and must be one of (fill start center end), with fill being the default. See the GTK3 documentation for further details.