VBA - 选择单选按钮时触发宏

I am having trouble running a macro automatically when I select a radio button option. There are two radio-button options, which are linked to the cell named "SimType" on the sheet codenamed "MAIN". I have adapted the following code from MSDN and have included it in the module for the MAIN worksheet but cannot get it to function:I am having trouble running a macro automatical