Lee*_* O. 10
使用combobox1的SelectedValueChanged事件检查所选值.基于此禁用或启用combobox2.
private void combobox1_SelectedValueChanged(object sender, Eventargs e)
{
if (combobox1.SelectedValue == myDisableValue)
combobox2.Enabled = false;
else
combobox2.Enabled = true;
}
Run Code Online (Sandbox Code Playgroud)