delphi启动服务停止服务新建服务的方法

 
unit Servicescontrol;
   
interface  
uses Windows,Messages,SysUtils,Winsvc,Dialogs;
   
function StartServices(Const SvrName:String):Boolean;
function StopServices(Const SvrName:String):Boolean;
function QueryServiceStatu(Const SvrName:   String):String;
function CreateServices(Const SvrName,FilePath:String):Boolean;  
function DeleteServices(Const SvrName: String):Boolean;  
   
implementation  
   
//开启服务  
function StartServices(Const   SvrName:   String):   Boolean;
var  
      a,b:SC_HANDLE;  
        c:PChar;  
begin  
        Result:=False;  
   
        a:=OpenSCManager(nil,nil,SC_MANAGER_ALL_ACCESS);  
   
        if a <=0 then Exit;  
   
        b:=OpenService(a,PChar(SvrName),SERVICE_ALL_ACCESS);  
   
        if b <=0 then Exit;  
            try  
              Result:=StartService(b,0,c);  
              CloseServiceHandle(b);  
              CloseServiceHandle(a);  
        except  
              CloseServiceHandle(b);