[myArray enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
[[myTreeNode mutableChildNodes] addObject:[NSTreeNode treeNodeWithRepresentedObject:obj]];
//myTreeNode is an NSTreeNode
}];
可以从块内创建对象吗?
[myArray enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
[[myTreeNode mutableChildNodes] addObject:[NSTreeNode treeNodeWithRepresentedObject:obj]];
//myTreeNode is an NSTreeNode
}];
可以从块内创建对象吗?