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CM_Open_Device_Interface_Key function

The CM_Open_Device_Interface_Key function opens the registry subkey that is used by applications and drivers to store information that is specific to a device interface.

Syntax


CMAPI
CONFIGRET
WINAPI CM_Open_Device_Interface_Key(
  _In_   LPCWSTR        pszDeviceInterface,
  _In_   REGSAM         samDesired,
  _In_   REGDISPOSITION Disposition,
  _Out_  PHKEY          phkDeviceInterface,
  _In_   ULONG          ulFlags
);

Parameters

pszDeviceInterface [in]

Pointer to a string that identifies the device interface instance to open the registry subkey for.

samDesired [in]

The requested registry security access to the registry subkey.

Disposition [in]

Specifies how the registry key is to be opened. May be one of the following values:

RegDisposition_OpenAlways

Open the key if it exists. Otherwise, create the key.

RegDisposition_OpenExisting

Open the key only if it exists.

phkDeviceInterface [out]

Pointer to an HKEY that will receive the opened key upon success.

ulFlags [in]

Reserved. Must be set to zero.

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 SetupDiOpenDeviceInterfaceRegKey instead.

Close the handle returned from this function by calling RegCloseKey.

Requirements

Target platform

Universal

Version

Available in Microsoft Windows Vista and later versions of Windows.

Header

Cfgmgr32.h (include Cfgmgr32.h)

Library

Cfgmgr32.lib

See also

SetupDiOpenDeviceInterfaceRegKey

 

 

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