Function TextureProgress.ninePatchStretch
If true, Godot treats the bar's textures like in NinePatchRect. Use the stretch_margin_* properties like stretchMarginBottom to set up the nine patch's 3×3 grid. When using a radial fillMode, this setting will enable stretching.
bool ninePatchStretch() nothrow @property @nogc;
void ninePatchStretch
(
bool v
) nothrow @property @nogc;