IOS Block Reverse Transmit value

1. Implement proxy methods on a. h file that needs to be passed as a value on the previous interface

@property (nonatomic, copy) void(^isopenhandler) (BOOL);

2. When the operation is performed, the results of the river operation need to be returned to the previous interface by calling block

if (self. Isopenhandler) {

self. Isopenhandler(YES);

}

3. Call Block when Push is in the first view controller to accept the value returned by the callback

WM.Isopenhandler = ^ (BOOL isopen) {

if (isopen) {

Performs the action that is performed after receiving the received data.

}

};

IOS Block Reverse Transmit value