call method
Implementation
objc.CGRect call(int arg0, objc.CGRect arg1) => ref.pointer.ref.invoke
.cast<
ffi.NativeFunction<objc.CGRect Function(ffi.Pointer<objc.ObjCBlockImpl> block, ffi.Int arg0, objc.CGRect arg1)>
>()
.asFunction<objc.CGRect Function(ffi.Pointer<objc.ObjCBlockImpl>, int, objc.CGRect)>()(ref.pointer, arg0, arg1);