PointerDevice Classe

Définition

public ref class PointerDevice sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.None)]
class PointerDevice final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.None)]
public sealed class PointerDevice

Public NotInheritable Class PointerDevice

Héritage

Object Platform::Object IInspectable PointerDevice

Attributs

ContractVersionAttribute MarshalingBehaviorAttribute

Configuration requise pour Windows

Exemples

Le code suivant montre comment utiliser PointerDevice.

/// <summary> 
/// Invoked when this page is about to be displayed in a Frame. 
/// </summary> 
/// <param name="e">Event data that describes how this page was reached.  The Parameter 
/// property is typically used to configure the page.</param> 
protected override void OnNavigatedTo(NavigationEventArgs e) 
{ 
    string Buffer; 

    Buffer = "List of all pointer devices: \n\n"; 

    var PointerDeviceList = Windows.Devices.Input.PointerDevice.GetPointerDevices(); 
    int displayIndex = 1; 

    foreach (Windows.Devices.Input.PointerDevice PointerDevice in PointerDeviceList) 
    { 
        Buffer += string.Format("Pointer device " + displayIndex + ":\n"); 
        Buffer += string.Format("This pointer device type is " + 
            PointerType(PointerDevice) + "\n"); 
        Buffer += string.Format("This pointer device is " + 
            (PointerDevice.IsIntegrated ? "not " : "") + "external\n"); 
        Buffer += string.Format("This pointer device has a maximum of " + 
            PointerDevice.MaxContacts + " contacts\n"); 
        Buffer += string.Format("The physical device rect is " + 
            PointerDevice.PhysicalDeviceRect.X.ToString() + ", " + 
            PointerDevice.PhysicalDeviceRect.Y.ToString() + ", " + 
            PointerDevice.PhysicalDeviceRect.Width.ToString() + ", " + 
            PointerDevice.PhysicalDeviceRect.Height.ToString() + "\n"); 
        Buffer += string.Format("The screen rect is " + 
            PointerDevice.ScreenRect.X.ToString() + ", " + 
            PointerDevice.ScreenRect.Y.ToString() + ", " + 
            PointerDevice.ScreenRect.Width.ToString() + ", " + 
            PointerDevice.ScreenRect.Height.ToString() + "\n\n"); 
    }  
    PointerOutputTextBlock.Text = Buffer; 
}

#include <sstream>
#include <winrt/Windows.Devices.Input.h>
#include <winrt/Windows.Foundation.Collections.h>
#include <winrt/Windows.UI.Xaml.Controls.h>
using namespace winrt;
using namespace Windows::Devices::Input;
using namespace Windows::UI::Xaml::Controls;

...

void PointerGetSettings_Click(Windows::Foundation::IInspectable const& sender, Windows::UI::Xaml::RoutedEventArgs const& args)
{
    auto b{ sender.try_as<Button>() };
    if (b)
    {
        Windows::Foundation::Collections::IVectorView<PointerDevice> pointerDeviceList{ PointerDevice::GetPointerDevices() };
        std::wostringstream buffer;

        for (uint32_t i = 0; i < pointerDeviceList.Size(); i++)
        {
            winrt::hstring displayIndex{ winrt::to_hstring(i + 1) };
            buffer << L"Pointer device " << displayIndex.c_str() << std::endl;
            buffer << L"This pointer device type is ";

            switch (pointerDeviceList.GetAt(i).PointerDeviceType())
            {
            case PointerDeviceType::Mouse:
                buffer << L"Mouse" << std::endl;
                break;
            case PointerDeviceType::Pen:
                buffer << L"Pen" << std::endl;
                break;
            case PointerDeviceType::Touch:
                buffer << L"Touch" << std::endl;
                break;
            default:
                buffer << L"unknown" << std::endl;
            }

            buffer << L"This pointer device is " << (pointerDeviceList.GetAt(i).IsIntegrated() ? L"not " : L"") << L"external" << std::endl;
            buffer << L"This pointer device has a maximum of " << pointerDeviceList.GetAt(i).MaxContacts() << L" contacts" << std::endl;
            buffer << L"The physical device rect is " <<
                pointerDeviceList.GetAt(i).PhysicalDeviceRect().X << L", " <<
                pointerDeviceList.GetAt(i).PhysicalDeviceRect().Y << L", " <<
                pointerDeviceList.GetAt(i).PhysicalDeviceRect().Width << L", " <<
                pointerDeviceList.GetAt(i).PhysicalDeviceRect().Height << std::endl;
            buffer << L"The screen rect is " <<
                pointerDeviceList.GetAt(i).ScreenRect().X << L", " <<
                pointerDeviceList.GetAt(i).ScreenRect().Y << L", " <<
                pointerDeviceList.GetAt(i).ScreenRect().Width << L", " <<
                pointerDeviceList.GetAt(i).ScreenRect().Height << std::endl << std::endl;
        }

        PointerOutputTextBlock().Text(buffer.str());
    }
}

void SDKSample::DeviceCaps::Pointer::PointerGetSettings_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e) 
{ 
    Button^ b = safe_cast<Button^>(sender); 
    if (b != nullptr) 
    { 
        Windows::Foundation::Collections::IVectorView<PointerDevice^>^ PointerDeviceList = PointerDevice::GetPointerDevices(); 
        Platform::String^ Buffer; 

        for (unsigned i = 0; i < PointerDeviceList->Size; i++) { 
            Platform::String^ displayIndex = (i + 1).ToString(); 
            Buffer += "Pointer device " + displayIndex + ":\n"; 
            Buffer += "This pointer device type is " + PointerType(PointerDeviceList->GetAt(i)) + "\n"; 
            Buffer += "This pointer device is " + (PointerDeviceList->GetAt(i)->IsIntegrated ? "not " : "") + "external\n"; 
            Buffer += "This pointer device has a maximum of " + PointerDeviceList->GetAt(i)->MaxContacts.ToString() + " contacts\n"; 
            Buffer += "The physical device rect is " + 
                PointerDeviceList->GetAt(i)->PhysicalDeviceRect.X.ToString() + ", " + 
                PointerDeviceList->GetAt(i)->PhysicalDeviceRect.Y.ToString() + ", " + 
                PointerDeviceList->GetAt(i)->PhysicalDeviceRect.Width.ToString() + ", " + 
                PointerDeviceList->GetAt(i)->PhysicalDeviceRect.Height.ToString() + "\n"; 
            Buffer += "The screen rect is " + 
                PointerDeviceList->GetAt(i)->ScreenRect.X.ToString() + ", " + 
                PointerDeviceList->GetAt(i)->ScreenRect.Y.ToString() + ", " + 
                PointerDeviceList->GetAt(i)->ScreenRect.Width.ToString() + ", " + 
                PointerDeviceList->GetAt(i)->ScreenRect.Height.ToString() + "\n\n"; 
        } 

        PointerOutputTextBlock->Text = Buffer; 
    } 
}

Remarques

Les valeurs retournées par les propriétés décrites ici sont basées sur le nombre total d’appareils pointeurs connectés : les propriétés booléennes retournent true si un appareil prend en charge une fonctionnalité spécifique et les propriétés numériques retournent la valeur maximale exposée par tous les appareils.

L’exemple fonctionnalités de l’appareil montre comment détecter la présence d’appareils d’entrée et récupérer les fonctionnalités et les attributs de chaque appareil.

Propriétés

Méthodes

S’applique à

Voir aussi

• Windows.Devices.Input
• Démarrage rapide : Identification des périphériques d’entrée