Método ClickButton da classe Msvm_SyntheticMouse

Artigo
06/12/2023

Simula um clique de botão do botão do dispositivo especificado.

Sintaxe

uint32 ClickButton(
  [in] uint32 buttonIndex
);

Parâmetros

buttonIndex [in]

Tipo: uint32

O índice baseado em 1 do botão.

Valor retornado

Tipo: uint32

Um valor retornado de zero indica êxito. Um valor diferente de zero indica uma falha ao modificar o estado do botão.

Concluído sem erro (0)
Parâmetros de método verificados – Trabalho iniciado (4096)
Falha (32768)
Acesso negado (32769)
Sem suporte (32770)
O status é desconhecido (32771)
Tempo limite (32772)
Parâmetro inválido (32773)
O sistema está em uso (32774)
Estado inválido para esta operação (32775)
Tipo de dados incorreto (32776)
O sistema não está disponível (32777)
Sem memória (32778)

Comentários

O acesso à classe Msvm_SyntheticMouse pode ser restrito pela Filtragem UAC. Para obter mais informações, consulte Controle de Conta de Usuário e WMI.

Exemplos

O exemplo de C# a seguir simula um clique de botão. Os utilitários referenciados podem ser encontrados em utilitários comuns para os exemplos de virtualização (V2).

using System;
using System.Management;

namespace HyperVSamples
{
    class ClickButtonClass
    {
        static ManagementObject GetComputerMouse(ManagementObject vm)
        {
            ManagementObjectCollection mouseCollection = vm.GetRelated
            (
                "Msvm_SyntheticMouse",
                "Msvm_SystemDevice",
                null,
                null,
                "PartComponent",
                "GroupComponent",
                false,
                null
            );

            ManagementObject mouse = null;

            foreach (ManagementObject instance in mouseCollection)
            {
                mouse = instance;
                break;
            }

            return mouse;
        }

        static ManagementObject GetVideoHead(ManagementObject vm)
        {
            ManagementObjectCollection videoControllers = vm.GetRelated
             (
                 "Msvm_SyntheticDisplayController",
                 "Msvm_SystemDevice",
                 null,
                 null,
                 "PartComponent",
                 "GroupComponent",
                 false,
                 null
             );

            ManagementObject videoController = null;

            foreach (ManagementObject instance in videoControllers)
            {
                videoController = instance;
                break;
            }

            ManagementObjectCollection videoHeads = videoController.GetRelated
             (
                 "Msvm_VideoHead",
                 "Msvm_VideoHeadOnController",
                 null,
                 null,
                 "Dependent",
                 "Antecedent",
                 false,
                 null
             );

            ManagementObject videoHead = null;

            foreach (ManagementObject instance in videoHeads)
            {
                videoHead = instance;
                break;
            }

            videoController.Dispose();

            return videoHead;
        }

        static bool SetMousePosition(ManagementObject mouse, ManagementObject video)
        {
            bool passed = false;
            
            ManagementBaseObject inParams = mouse.GetMethodParameters("setAbsolutePosition");

            inParams["horizontalPosition"] = 1;
            inParams["verticalPosition"] = Convert.ToInt32(video["CurrentVerticalResolution"]) - 1;

            ManagementBaseObject outParams = mouse.InvokeMethod("setAbsolutePosition", inParams, null);

            if ((UInt16)outParams["ReturnValue"] == ReturnCode.Completed)
            {
                Console.WriteLine("Mouse position is set at (1,{0})", inParams["verticalPosition"]);
                passed = true;
            }
            else
            {
                Console.WriteLine("setAbsolutePosition operation failed with {0} error.", outParams["ReturnValue"]);
            }

            inParams.Dispose();
            outParams.Dispose();

            return passed;

        }

        static void ClickButton(string vmName, int buttonIndex)
        {
            ManagementScope scope = new ManagementScope(@"root\virtualization\v2", null);
            ManagementObject vm = Utility.GetTargetComputer(vmName, scope);
            ManagementObject videoHead = GetVideoHead(vm);
            ManagementObject mouse = GetComputerMouse(vm);

            if (!SetMousePosition(mouse, videoHead))
            {
                return;
            }

            ManagementBaseObject inParams = mouse.GetMethodParameters("ClickButton");

            inParams["buttonIndex"] = buttonIndex;

            ManagementBaseObject outParams = mouse.InvokeMethod("ClickButton", inParams, null);

            if ((UInt16)outParams["ReturnValue"] == ReturnCode.Completed)
            {
                string.Format("Button {0} was clicked on {1}", buttonIndex, vm["ElementName"]);
            }
            else
            {
                string.Format("Unable to click button {0}' on {1}", buttonIndex, vm["ElementName"]);
            }

            inParams.Dispose();
            outParams.Dispose();
            mouse.Dispose();
            vm.Dispose();
        }

        static void Main(string[] args)
        {
            if (args != null && args.Length != 2)
            {
                Console.WriteLine("Usage: ClickButton vmName buttonIndex");
                return;
            }
            ClickButton(args[0], Convert.ToInt32(args[1]));
        }
    }
}

O exemplo do Visual Basic Scripting Edition (VBScript) a seguir simula um clique de botão.

option explicit 

dim objWMIService
dim fileSystem

const wmiSuccessful = 0

Main()

'-----------------------------------------------------------------
' Main routine
'-----------------------------------------------------------------
Sub Main()
    
    dim vmName, computer, objArgs, mouse, video, computerSystem, buttonIndex
    
    set fileSystem = Wscript.CreateObject("Scripting.FileSystemObject")

    computer = "."
    set objWMIService = GetObject("winmgmts:\\" & computer & "\root\virtualization\v2")

    set objArgs = WScript.Arguments
    if WScript.Arguments.Count = 2 then
       vmName= objArgs.Unnamed.Item(0)
       buttonIndex = objArgs.Unnamed.Item(1)
    else
       WScript.Echo "usage: cscript ClickButton.vbs vmName buttonIndex"
       WScript.Quit
    end if
    
    set computerSystem = GetComputerSystem(vmName)
    set mouse = GetComputerMouse(computerSystem)
    set video = GetComputerVideoHead(computerSystem)

    if ClickButton(mouse, buttonIndex, video) then

        WriteLog "Done"
        WScript.Quit(0)
    else
        WriteLog "ClickButton failed"
        WScript.Quit(1)
    end if

End Sub

'-----------------------------------------------------------------
' Retrieve Msvm_VirtualComputerSystem from base on its ElementName
'-----------------------------------------------------------------
Function GetComputerSystem(vmElementName)
    On Error Resume Next
    dim query
    query = Format1("select * from Msvm_ComputerSystem where ElementName = '{0}'", vmElementName)
    set GetComputerSystem = objWMIService.ExecQuery(query).ItemIndex(0)
    if (Err.Number <> 0) then
        WriteLog Format1("Err.Number: {0}", Err.Number)
        WriteLog Format1("Err.Description:{0}",Err.Description)
        WScript.Quit(1)
    end if
End Function


'-----------------------------------------------------------------
' Retrieve Msvm_SyntheticMouse from given computer system
'-----------------------------------------------------------------
Function GetComputerMouse(computerSystem)
    On Error Resume Next
    dim query
    query = Format1("ASSOCIATORS OF {{0}} WHERE resultClass = Msvm_SyntheticMouse", computerSystem.Path_.Path)
    set GetComputerMouse = objWMIService.ExecQuery(query).ItemIndex(0)
    if (Err.Number <> 0) then
        WriteLog Format1("Err.Number: {0}", Err.Number)
        WriteLog Format1("Err.Description:{0}",Err.Description)
        WScript.Quit(1)
    end if
End Function


'-----------------------------------------------------------------
' Retrieve Msvm_VideoHead from given computer system
'-----------------------------------------------------------------
Function GetComputerVideoHead(computerSystem)
    On Error Resume Next
    dim query, controller
    query = Format1("ASSOCIATORS OF {{0}} WHERE resultClass = Msvm_SyntheticDisplayController", computerSystem.Path_.Path)
    set controller = objWMIService.ExecQuery(query).ItemIndex(0)
    if (Err.Number <> 0) then
        WriteLog Format1("Err.Number: {0}", Err.Number)
        WriteLog Format1("Err.Description:{0}",Err.Description)
        WScript.Quit(1)
    end if
    
    query = Format1("ASSOCIATORS OF {{0}} WHERE resultClass = Msvm_VideoHead", controller.Path_.Path)
    set GetComputerVideoHead = objWMIService.ExecQuery(query).ItemIndex(0)
    if (Err.Number <> 0) then
        WriteLog Format1("Err.Number: {0}", Err.Number)
        WriteLog Format1("Err.Description:{0}",Err.Description)
        WScript.Quit(1)
    end if    
End Function
'-----------------------------------------------------------------
' set mouse relative position on a virtual machine
'-----------------------------------------------------------------
Function setAbsolutePosition(mouse, video)
    WriteLog Format1("setAbsolutePosition({0})", mouse.ElementName)
    
    dim objInParam, objOutParams
    
    setAbsolutePosition = false
    set objInParam = mouse.Methods_("setAbsolutePosition").InParameters.SpawnInstance_()
    objInParam.horizontalPosition = 1
    objInParam.verticalPosition = video.CurrentVerticalResolution - 1

    set objOutParams = mouse.ExecMethod_("setAbsolutePosition", objInParam)

    if objOutParams.ReturnValue = wmiSuccessful then
        WriteLog Format1("Mouse position is set at (1,{0})", objInParam.verticalPosition)
        setAbsolutePosition = true
    end if

End Function

'-----------------------------------------------------------------
' Click mouse on a virtual machine
'-----------------------------------------------------------------
Function ClickButton(mouse, buttonIndex, video)
    WriteLog Format2("ClickButton({0}, {1})", mouse.ElementName, buttonIndex)
    
    dim objInParam, objOutParams
    
    ClickButton = false
    if Not setAbsolutePosition(mouse, video) then
        Exit Function
    end if


    set objInParam = mouse.Methods_("ClickButton").InParameters.SpawnInstance_()
    objInParam.buttonIndex = buttonIndex

    set objOutParams = mouse.ExecMethod_("ClickButton", objInParam)

    if objOutParams.ReturnValue = wmiSuccessful then
        WriteLog Format2("{0} button {1} was clicked.", mouse.ElementName, buttonIndex)
        ClickButton = true
    end if

End Function

'-----------------------------------------------------------------
' Create the console log files.
'-----------------------------------------------------------------
Sub WriteLog(line)
    dim fileStream
    set fileStream = fileSystem.OpenTextFile(".\clickButton.log", 8, true)
    WScript.Echo line
    fileStream.WriteLine line
    fileStream.Close

End Sub


'------------------------------------------------------------------------------
' The string formatting functions to avoid string concatenation.
'------------------------------------------------------------------------------
Function Format2(myString, arg0, arg1)
    Format2 = Format1(myString, arg0)
    Format2 = Replace(Format2, "{1}", arg1)
End Function

'------------------------------------------------------------------------------
' The string formatting functions to avoid string concatenation.
'------------------------------------------------------------------------------
Function Format1(myString, arg0)
    Format1 = Replace(myString, "{0}", arg0)
End Function

Requisitos

Requisito	Valor
Cliente mínimo com suporte	Windows 8 [somente aplicativos da área de trabalho]
Servidor mínimo com suporte	Windows Server 2012 [somente aplicativos da área de trabalho]
Namespace	Root\Virtualization\V2
MOF	WindowsVirtualization.V2.mof
DLL	Vmms.exe

Confira também

Msvm_SyntheticMouse

Compartilhar via

Método ClickButton da classe Msvm_SyntheticMouse

Sintaxe

Parâmetros

Valor retornado

Comentários

Exemplos

Requisitos

Confira também

Comentários

Recursos adicionais