selfImDrawList handle on which this method operates.
rect_minTop-left corner of the rectangle in absolute screen coordinates.
rect_maxBottom-right corner of the rectangle in absolute screen coordinates.
roundingCorner radius in screen pixels; 0 creates square corners. Draw flags select which corners are rounded.
flagsImDrawFlags options controlling this operation; combine compatible flag bits with |.
Append a rectangle, optionally with rounded corners, to the current path.