2. Find the _eventGroupMsg subroutine in the cool Q development program, and then click the+sign on the left to expand it.
3. Declare several variables under subroutine _eventGroupMsg.
4. Write the following code under the subroutine _eventGroupMsg and compile it.
5. Run Cool Q, click the newly compiled plug-in with the left mouse button, and then select "Enable".
6. Finally, open QQ to test in the group, and a simple plug-in for obtaining QQ information of strangers is ready.