combobox练习2

import win.ui;
/*DSG{{*/
var winform = win.form(parent=...; text="AAuto Form";right=349;bottom=249 )
winform.add( 
combobox2={ bottom=105;text="";left=162;
items={  };font=LOGFONT( name="宋体";h=-12 );right=252;z=2;top=85;mode="dropdown";edge=1;cls="combobox" };
combobox={ bottom=105;text="";left=27;
items={ "山东省";"广东省";"河北省" };font=LOGFONT( name="宋体";h=-12 );right=117;z=1;top=85;mode="dropdown";edge=1;cls="combobox" }
)
/*}}*/

//第一个下拉框变动时添加所属市
winform.combobox.oncommand = function(id,event){
    //win.msgbox( windex=winform.combobox.selIndex
        
    winform.combobox2.clear()//清除第二个下拉框的值
    index=winform.combobox.selIndex//当第一个下拉框选中项时
    select(index) {
        case 1 {winform.combobox2.add("青岛")
                winform.combobox2.add("烟台")
                winform.combobox2.add("济南")
        }
        case 2 {winform.combobox2.add("广州")
                winform.combobox2.add("深圳")
                winform.combobox2.add("东莞")           
        }
        case 3 {winform.combobox2.add("啊")
                winform.combobox2.add("飞")
                winform.combobox2.add("的")
        }
        
        
        }
    
    
       
    
}//endproc


winform.show() 
win.loopMessage();

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