这是一个自己编写的htc控件
<html>
<head>
<public>
<component tagname="combobox">
<property name="text" get="get_text" put="put_text">
<property name="width" get="get_width" put="put_width">
<method name="setfocus" internalname="htcfocus">
<method name="additems" internalname="htcadditems">
<event name="onyycenter" id="identer">
<event name="onyycchoose" id="idchoose">
<attach event="oncontentready" onevent="htcinit()">
</component>
</public>
<script language="javascript">
function htcinit()
{
defaults.viewlink=document;
defaults.viewinheritstyle=false;
body_init();
}
function htcadditems(items)
{
var i,len;
len=pcombo.options.length;
for(i=0;i<len;i++)
{pcombo.remove(0);}
for(i=0;i<items.length;i++)
{
var o;
if((typeof items[i])=='string')
{
if(!hasthevalue(items,i))
{
o=document.createelement('option');
o.text=items[i];
pcombo.add(o);
}
}
}
}
function htcfocus()
{
ptext.focus();
}
function get_text()
{
return ptext.value;
}
function put_text(value)
{
ptext.value=value;
}
function get_width()
{
return pcombo.style.width;
}
function put_width(value)
{
pcombo.style.width=value;
}
</script>
<script language="javascript">
function body_init()
{
var iright=pcombo.clientwidth;
var ibottom=pcombo.clientheight;
var ileft=(pcombo.clientwidth-18);
pcombo.style.clip='rect(0,'+iright+','+ibottom+','+ileft+')';
ptext.style.width=(pcombo.clientwidth);
ptext.style.height=(pcombo.clientheight);
ptext.style.top=0;
ptext.style.left=0;
}
function combo_select()
{
ptext.value=pcombo.options[pcombo.selectedindex].text;
}
function text_chkkey()
{
if(event.keycode==13)
{
identer.fire();
}
}
function hasthevalue(sitems,i)
{
var ii;
for(ii=0;ii<i;ii++)
{
if(sitems[ii]==sitems[i])
return true;
}
return false;
}
</script>
</head>
<body>
<select style="position:absolute;left:0;top:0;" onchange="combo_select()" name="pcombo">
</select>
<input style="position:absolute;left:0;top:0;z-index:4000" onkeypress="text_chkkey()" type="text" name="ptext">
</body>
</html>
