如何从CFArrayRef中删除CGWindowID？

Question

我想从CFArrayRef

中删除windowId

CFArrayRef window2ids = CGWindowListCreate(kCGWindowListOptionOnScreenOnly ,
                                           kCGNullWindowID);

这可能吗？如果是这样的话？我用谷歌搜索，但我没有找到任何答案。

Answer 1

  CFArrayRef window2ids = CGWindowListCreate(kCGWindowListOptionOnScreenOnly ,
                                       kCGNullWindowID);
  NSMutableArray *mutArray = [NSMutableArray arrayWithArray:(__bridge_transfer NSMutableArray *)window2ids];
  id windowIamLookingFor;
  [mutArray indexOfObject:windowIamLookingFor];
  [mutArray removeObject:yourWindowId];
  CFArrayRef window3ids = (__bridge CFArrayRef)[mutArray copy];

或做corefoundation舞蹈

  CFArrayRef window2ids = CGWindowListCreate(kCGWindowListOptionOnScreenOnly ,
                                         kCGNullWindowID);
  CFMutableArrayRef mutWindowsIds = CFArrayCreateMutableCopy(NULL, 0, window2ids);
  CFRelease(window2ids);
  id windowIamLookingFor;
  CFIndex index = CFArrayGetFirstIndexOfValue(mutWindowsIds, CFRangeMake(0, CFArrayGetCount(window2ids)), (__bridge const void *)(windowIamLookingFor));
  CFArrayRemoveValueAtIndex(mutWindowsIds, index);
  CFRelease(mutWindowsIds);