System::ComponentModel::AsyncCompletedEventArgs::get_UserState 方法

AsyncCompletedEventArgs::get_UserState method

获取异步任务的唯一标识符。一个对象引用，唯一标识该异步任务；如果未设置值，则为 null。

System::SharedPtr<Object> System::ComponentModel::AsyncCompletedEventArgs::get_UserState() const

另见

• Typedef SharedPtr
• Class Object
• Class AsyncCompletedEventArgs
• Namespace System::ComponentModel
• Library Aspose.Page for C++