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GetRawInputDeviceList
..msdn Add comment W32 Constants Translate this page |
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Enumerates the raw input devices attached to the system. |
| | | Code examples: | | |
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| | | Declaration: | | |
UINT WINAPI GetRawInputDeviceList(
__out_opt PRAWINPUTDEVICELIST pRawInputDeviceList,
__inout PUINT puiNumDevices,
__in UINT cbSize
);
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| | | | FoxPro declaration: | | |
DECLARE INTEGER GetRawInputDeviceList IN user32;
STRING @pRawInputDeviceList,;
LONG @puiNumDevices,;
LONG cbSize
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| | | | Parameters: | | pRawInputDeviceList [out, optional]
An array of RAWINPUTDEVICELIST structures for the devices attached to the system. If NULL, the number of devices are returned in *puiNumDevices.
puiNumDevices [in, out]
If pRawInputDeviceList is NULL, the function populates this variable with the number of devices attached to the system; otherwise, this variable specifies the number of RAWINPUTDEVICELIST structures that can be contained in the buffer to which pRawInputDeviceList points.
cbSize [in]
The size of a RAWINPUTDEVICELIST structure, in bytes. |
| | | Return value: | | | If the function is successful, the return value is the number of devices stored in the buffer pointed to by pRawInputDeviceList. |
| | | Usage: | |
nDeviceCount=0
= GetRawInputDeviceList(NULL, @nDeviceCount,;
RAWINPUTDEVICELIST_SIZE)
cBuffer = REPLICATE(CHR(0),;
RAWINPUTDEVICELIST_SIZE * nDeviceCount)
= GetRawInputDeviceList(@cBuffer, @nDeviceCount,;
RAWINPUTDEVICELIST_SIZE)
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| | | My comment: | | See also: GetRawInputDeviceInfo
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| | | Word Index links for the GetRawInputDeviceList : | | |
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| | | Translate this page: | | | | | | • | | | Created: | 2011-01-04 20:00:56 | | Modified: | 2011-01-04 20:13:14 |
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Enumerating raw input devices attached to the system (keyboard, mouse, human interface device)