# aardio 范例: RUNAS//网卡切换



```aardio
//RUNAS//网卡切换
import win.ui;
/*DSG{{*/
var winform = win.form(text="网络连接";right=537;bottom=206)
winform.add()
/*}}*/

if(!_STUDIO_INVOKED){
	if(!_ARGV.task){
		import sys.runAsTask;
		var task = sys.runAsTask("MyNetworkManager","网卡自动切换程序");
		task.register("/task");	
		
		win.msgbox("本程序已设置为登录时自动以管理权限运行（无确认对话框）");
		return;
	}
}

import inet.connView;
var wb = inet.connView(winform);
wb.shellFolderSelectionChanged = function(itemPath,itemName) {  
	
}

var iconNetWork = ::User32.LoadIconP(::Shell32,18);
winform.setIcon(iconNetWork);

import win.util.tray;
winform.tray = win.util.tray(winform,iconNetWork);

winform.onMinimize = function(lParam){ 
	winform.show(false); //隐藏窗口
	return true;//阻击默认消息传递,取消最小化过程
}

import win.ui.menu;
import sys.networkCards;
import com.wmi;

reloadNetworkAdapters = function(){
	winform.popmenu = win.ui.popmenu(winform);
	
	var adAct,adActMenuId; 
	for networkCard in sys.networkCards.each(){ 	  
		var adCur = com.wmi.get("SELECT * FROM Win32_NetworkAdapter WHERE NetConnectionId =@netConnectionId",networkCard)
		if(!adCur){ 
			continue;		
		}
		
		var idCur;
		idCur = winform.popmenu.add('切换到：' + networkCard.netConnectionId,function(){
			if(adAct){  
				//有些驱动或硬件有问题的网卡，可能要用 process.devcon.disable() 才能禁用 
				adAct.Disable(); //禁用网卡
				winform.popmenu.check(adActMenuId,false,0/*_MF_BYCOMMAND*/);
				
				if(adAct == adCur){
				 	adAct = null;
				 	adActMenuId = null;		
				 	return;
				}
			}
			
			adAct = adCur; 
			adCur.Enable(); //启用网卡
			
			adActMenuId = idCur;
			winform.popmenu.check(adActMenuId,true,0/*_MF_BYCOMMAND*/);
		});	

		if(adCur.NetEnabled){
			 adAct = adCur; 
			 adActMenuId = idCur;
			 winform.popmenu.check(idCur,true,0/*_MF_BYCOMMAND*/);
		}
	}
 
 	winform.popmenu.add();
 	winform.popmenu.add('浏览网络连接……',function(){ 
 		import process;
		process.explore("shell:::{7007ACC7-3202-11D1-AAD2-00805FC1270E}");
	});	
	winform.popmenu.add('退出',function(){ winform.close() });	
}

winform.wndproc = {
	[0xACCF/*_WM_TRAYMESSAGE*/ ] = function(hwnd,message,wParam,lParam){
		if( lParam = 0x205/*_WM_RBUTTONUP*/ ){
	    	//弹出托盘菜单以前,一定要前置主窗口中,不然不点击菜单不会消失
	    	win.setForeground(winform.hwnd)
	    	winform.popmenu.popup()
	    }
	    elseif( lParam = 0x203/*_WM_LBUTTONDBLCLK*/ ){
	    	winform.show(true);
	    }	
	}
}

reloadNetworkAdapters();
winform.show(true);
win.loopMessage();
```