你的意图是什么?<br>我不明白你的意图<br>postmessage (CheckBox1.Handle,bm_click,0,0); <br>postmessage (CheckBox2.Handle,bm_click,0,0); <br>postmessage (CheckBox3.Handle,bm_click,0,0); <br>三都选种<br>如果你想要两个的话<br>可以这样:<br>postmessage (CheckBox2.Handle,bm_click,0,0); <br>postmessage (CheckBox3.Handle,bm_click,0,0); <br>或<br>postmessage (CheckBox1.Handle,bm_click,0,0); <br>postmessage (CheckBox3.Handle,bm_click,0,0);