RegisterRawInputDevices.md

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Function name : RegisterRawInputDevices

Group: Raw Input - Library: user32

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Registers the devices that supply the raw input data.

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Code examples:

Capturing keyboard activity of another application with the Raw Input API (VFP9)

Declaration:

BOOL WINAPI RegisterRawInputDevices(
  __in  PCRAWINPUTDEVICE pRawInputDevices,
  __in  UINT uiNumDevices,
  __in  UINT cbSize
)  

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FoxPro declaration:

DECLARE INTEGER RegisterRawInputDevices IN user32;
	STRING @pRawInputDevices,;
	LONG uiNumDevices,;
	LONG cbSize  

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Parameters:

pRawInputDevices [in] An array of RAWINPUTDEVICE structures that represent the devices that supply the raw input.

uiNumDevices [in] The number of RAWINPUTDEVICE structures pointed to by pRawInputDevices.

cbSize [in] The size, in bytes, of a RAWINPUTDEVICE structure.

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Return value:

TRUE if the function succeeds; otherwise, FALSE. If the function fails, call GetLastError for more information.

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Comments:

To receive WM_INPUT messages, an application must first register the raw input devices using RegisterRawInputDevices.

By default, an application does not receive raw input.

See also: GetRawInputData, GetRawInputDeviceList.

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