This method is used to ask for information about a device.
At a Glance
| Header file: | Cesync.h |
| Windows CE versions: | 2.0 and later |
Syntax
void QueryDevice( UINT uCode, LPVOID *ppvData );
Parameters
uCode
[in] It is one of the following values:
| Value | Description |
| QDC_SEL_DEVICE | Requests information for the selected device. In this case, *ppvData points to the DEVINFO structure containing the information for the device. |
| QDC_CON_DEVICE | Requests information for the connected device. In this case, *ppvData points to the DEVINFO structure containing the information for the device. |
| QDC_SEL_DEVICE_KEY | Gets a registry key that can be used to store selected device-specific settings. In this case, *ppvData points to HKEY. The caller must close the registry key when its usage is over. |
| QDC_CON_DEVICE_KEY | Gets a registry key that can be used to store connected device-specific settings. In this case, *ppvData points to HKEY. The caller must close the registry key when its usage is over. |
ppvData
[out] Depending on uCode, this parameter is a pointer to a void pointer to either a DEVINFO structure or HKEY.
Return Values
None.