各位大神,我不明白下面这段代码起什么作用?谁能告诉我啊?谢谢了!
try
{
//移除事件响应
comboBoxExPdtName.SelectedIndexChanged -= new System.EventHandler(comboBoxExPdtName_SelectedIndexChanged);
comboBoxExPdtName.DataSource = null;
comboBoxExPdtName.Items.Clear();
comboBoxExPdtName.DisplayMember = "name";
comboBoxExPdtName.ValueMember = "index";
}