AspectFrame.set

void set(float xalign, float yalign, float ratio, bool obeyChild)

Set parameters for an existing #GtkAspectFrame.

Parameters

xalignHorizontal alignment of the child within the allocation of the #GtkAspectFrame. This ranges from 0.0 (left aligned) to 1.0 (right aligned)
yalignVertical alignment of the child within the allocation of the #GtkAspectFrame. This ranges from 0.0 (top aligned) to 1.0 (bottom aligned)
ratioThe desired aspect ratio.
obeyChildIf true, ratio is ignored, and the aspect ratio is taken from the requistion of the child.