WinAPI: WinExec - 运行外部程序

//声明

WinExec(

  lpCmdLine: LPCSTR; {文件名和参数; 如没指定路径会按以下顺序查找: 程序目录/当前目录/System32/Windows/PATH环境变量}

  uCmdShow: UINT     {启动选项}

): UINT;



//返回值:

大于 31                    {调用成功}

等于 0                     {内存不足}

ERROR_FILE_NOT_FOUND = 2;  {文件名错误}

ERROR_PATH_NOT_FOUND = 3;  {路径名错误}

ERROR_BAD_FORMAT     = 11; {EXE 文件无效}



//uCmdShow 参数可选值:

SW_HIDE            = 0; {隐藏, 并且任务栏也没有最小化图标}

SW_SHOWNORMAL      = 1; {用最近的大小和位置显示, 激活}

SW_NORMAL          = 1; {同 SW_SHOWNORMAL}

SW_SHOWMINIMIZED   = 2; {最小化, 激活}

SW_SHOWMAXIMIZED   = 3; {最大化, 激活}

SW_MAXIMIZE        = 3; {同 SW_SHOWMAXIMIZED}

SW_SHOWNOACTIVATE  = 4; {用最近的大小和位置显示, 不激活}

SW_SHOW            = 5; {同 SW_SHOWNORMAL}

SW_MINIMIZE        = 6; {最小化, 不激活}

SW_SHOWMINNOACTIVE = 7; {同 SW_MINIMIZE}

SW_SHOWNA          = 8; {同 SW_SHOWNOACTIVATE}

SW_RESTORE         = 9; {同 SW_SHOWNORMAL}

SW_SHOWDEFAULT     = 10; {同 SW_SHOWNORMAL}

SW_MAX             = 10; {同 SW_SHOWNORMAL}


 
   




//举例, 启动记事本:

procedure TForm1.Button1Click(Sender: TObject);

begin

  WinExec('notepad.exe', SW_SHOWNORMAL);

end;