selfImDrawList handle on which this method operates.
p1Ordered vertex or start point p1 in absolute screen coordinates.
p2Bezier control point p2 in absolute screen coordinates.
p3Bezier end point p3 in absolute screen coordinates.
colPacked ImU32 RGBA color; alpha controls opacity.
thicknessStroke thickness in screen pixels.
num_segmentsCurve tessellation segment count; 0 lets ImGui choose automatically.
Append a stroked quadratic Bezier curve to the draw list.