Winapi radio button bevahivour

Question

I have created a custom image drawing checkbox in WTL and I am now trying to create a custom image drawn radio button, how does the radio button work, when a user cliks one button to select it how does the other buttons get unselected? Do they receive a predefined window message ?

Answer 1

阅读有关WS_GROUP，WS_TABSTOP的信息