PointerDevice Class
Definition
Important
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Supports the ability to identify the connected pointer devices and determine their capabilities.
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
- Inheritance
- Attributes
Windows requirements
Device family |
Windows 10 (introduced in 10.0.10240.0)
|
API contract |
Windows.Foundation.UniversalApiContract (introduced in v1.0)
|
Examples
The following code shows how to use 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;
}
}
Remarks
The values returned by the properties discussed here are based on the total number of pointer devices connected: Boolean properties return true if one device supports a specific capability and numeric properties return the maximum value exposed by all devices.
The Device Capabilities Sample demonstrates how to detect the presence of input devices and retrieve the capabilities and attributes of each device.
Note
This class is not agile, which means that you need to consider its threading model and marshaling behavior. For more info, see Threading and Marshaling (C++/CX) and Using Windows Runtime objects in a multithreaded environment (.NET).
Properties
IsIntegrated |
Gets a value indicating whether the pointer device is an integrated device. For example, a video display with an integrated touch digitizer compared to an external pen/stylus digitizer. |
MaxContacts |
Gets a value indicating the maximum number of contacts supported by the input device. |
MaxPointersWithZDistance |
Gets the maximum number of hover contacts supported by the input device. |
PhysicalDeviceRect |
Gets the coordinates of the bounding rectangle supported by the input device. |
PointerDeviceType |
Gets the pointer device type. |
ScreenRect |
Gets the screen coordinates that are mapped to the bounding rectangle supported by the input device. |
SupportedUsages |
Gets a collection containing the supported pointer device usages. |
Methods
GetPointerDevice(UInt32) |
Gets information about the pointer device associated with the specified input pointer ID. |
GetPointerDevices() |
Gets information about the pointer devices attached to the system. |