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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


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

This function is reserved for system use. Do not use this function in your class installers, co-installers, or device installation applications. Use SetupDiDeleteDevRegKey instead.

Requirements

Version

Available in Microsoft Windows 2000 and later versions of Windows.

Header

Cfgmgr32.h (include Cfgmgr32.h)

Library

Cfgmgr32.lib

See also

SetupDiDeleteDevRegKey
CM_Open_DevNode_Key

 

 

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