call method
Implementation
objc.NSString? call(ffi.Pointer<ffi.Void> arg0, UIFocusUpdateContext arg1) =>ref.pointer.ref.invoke.cast<ffi.NativeFunction<ffi.Pointer<objc.ObjCObject> Function(ffi.Pointer<objc.ObjCBlockImpl> block, ffi.Pointer<ffi.Void> arg0, ffi.Pointer<objc.ObjCObject> arg1)>>()
.asFunction<ffi.Pointer<objc.ObjCObject> Function(ffi.Pointer<objc.ObjCBlockImpl> , ffi.Pointer<ffi.Void> , ffi.Pointer<objc.ObjCObject> )>()(
ref.pointer, arg0, arg1.ref.pointer).address == 0 ? null : objc.NSString.castFromPointer(ref.pointer.ref.invoke.cast<ffi.NativeFunction<ffi.Pointer<objc.ObjCObject> Function(ffi.Pointer<objc.ObjCBlockImpl> block, ffi.Pointer<ffi.Void> arg0, ffi.Pointer<objc.ObjCObject> arg1)>>()
.asFunction<ffi.Pointer<objc.ObjCObject> Function(ffi.Pointer<objc.ObjCBlockImpl> , ffi.Pointer<ffi.Void> , ffi.Pointer<objc.ObjCObject> )>()(
ref.pointer, arg0, arg1.ref.pointer), retain: true, release: true);