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CM_Delete_DevNode_Key function

The CM_Delete_DevNode_Key function deletes the specified user-accessible registry keys that are associated with a device.

Syntax

C++


CMAPI
CONFIGRET
WINAPI CM_Delete_DevNode_Key(
  _In_ DEVNODE dnDevNode,
  _In_ ULONG   ulHardwareProfile,
  _In_ ULONG   ulFlags
);

Parameters

dnDevNode [in]

Device instance handle that is bound to the local machine.

ulHardwareProfile [in]

The hardware profile to delete if ulFlags includes CM_REGISTRY_CONFIG. If this value is zero, the key for the current hardware profile is deleted. If this value is 0xFFFFFFFF, the registry keys for all hardware profiles are deleted.

ulFlags [in]

Delete device node key flags. Indicates the scope and type of registry storage key to delete. Can be a combination of the following flags:

CM_REGISTRY_HARDWARE: Delete the device’s hardware key. Do not combine with CM_REGISTRY_SOFTWARE.
CM_REGISTRY_SOFTWARE: Delete the device’s software key. Do not combine with CM_REGISTRY_HARDWARE.
CM_REGISTRY_USER: Delete the per-user key for the current user. Do not combine with CM_REGISTRY_CONFIG.
CM_REGISTRY_CONFIG: Delete the key that stores hardware profile-specific configuration information. Do not combine with CM_REGISTRY_USER.

Return value

If the operation succeeds, the function returns CR_SUCCESS. Otherwise, it returns one of the CR_-prefixed error codes defined in Cfgmgr32.h.

Remarks

Requirements

Target platform	Universal
Version	Available in Microsoft Windows 2000 and later versions of Windows.
Header	Cfgmgr32.h (include Cfgmgr32.h)
Library	Cfgmgr32.lib; OneCoreUAP.lib on Windows 10
DLL	CfgMgr32.dll