invalidateRect method

bool invalidateRect({ Rectangle<num>? rect, Pointer<RECT>? pRect, bool eraseBg = true, })

Invalidates Window region.

• Calls Win32 InvalidateRect.

Implementation

bool invalidateRect(
    {math.Rectangle? rect, Pointer<RECT>? pRect, bool eraseBg = true}) {
  var r = _resolveRect(rect, pRect);
  return InvalidateRect(hwnd, r ?? nullptr, eraseBg ? 1 : 0) != 0;
}