in it.It says,"Go to your bedroom.You can see three boxes there:a black one,a grey one and a white one.Your birthday present is in one of them."I go to my bedroom and find the boxes on the desk in my room.Then I open the black one.I'm very happy to se...
private void radioButton2_CheckedChanged_1(object sender, EventArgs e) { co.ChangeSelText("B"); } private void radioButton3_CheckedChanged(object sender, EventArgs e) { co.ChangeSelText("C"); } 结果