Function StyleBoxTexture.marginTop
Increases the top margin of the 3×3 texture box.
A higher value means more of the source texture is considered to be part of the top border of the 3×3 box.
This is also the value used as fallback for StyleBox
if it is negative.
double marginTop() nothrow @property @nogc;
void marginTop
(
double v
) nothrow @property @nogc;