Sets the alignment of the child. This property has no effect unless the child is a #GtkMisc or a #GtkAlignment.
the horizontal position of the child, 0.0 is left aligned, 1.0 is right aligned
the vertical position of the child, 0.0 is top aligned, 1.0 is bottom aligned
Deprecated: Access the child widget directly if you need to control its alignment.
2.4
See Implementation
Sets the alignment of the child. This property has no effect unless the child is a #GtkMisc or a #GtkAlignment.