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38 lines
1.2 KiB
Markdown
38 lines
1.2 KiB
Markdown
---
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title: "GetRawInputDevices"
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ms.date: "03/30/2017"
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helpviewer_keywords:
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- "raw input [WPF]"
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ms.assetid: c4d37ecd-065a-4d1c-9e6c-26804ae968ca
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---
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# GetRawInputDevices
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Allows PresentationHost.exe to discover the raw input devices (Human Interface Devices) that the host application is interested in.
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## Syntax
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```cpp
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HRESULT GetRawInputDevices( [out] IEnumRAWINPUTDEVICE **ppEnum );
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```
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## Parameters
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`ppEnum`
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[out] A pointer to an [IEnumRAWINPUTDEVICE](ienumrawinputdevice.md) for enumerating the raw input devices.
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## Property Value/Return Value
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HRESULT:
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S_OK - [IEnumRAWINPUTDEVICE](ienumrawinputdevice.md) will only be used by PresentationHost.exe if S_OK is returned.
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E_NOTIMPL
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## Remarks
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Raw input devices are the set of input devices that includes keyboards, mice, and less traditional devices like remote controls.
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Once the list of raw input devices has been retrieved, PresentationHost.exe registers with the devices to receive WM_INPUT notification messages.
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## See also
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- [GetRawInputDeviceList](/windows/desktop/api/winuser/nf-winuser-getrawinputdevicelist)
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- [FilterInputMessage](filterinputmessage.md)
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