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StorPortReadRegistryKey function (storport.h)

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The StorPortReadRegistryKey function is used by the miniport to read the specified registry key. The caller provides the absolute path to the key to be read.

Syntax

ULONG StorPortReadRegistryKey(
  PVOID  HwDeviceExtension,
  PWSTR  AbsolutePath,
  PWSTR  KeyName,
  ULONG  ValueType,
  PVOID  *ValueData,
  PULONG ValueDataLength
);

Parameters

HwDeviceExtension

A pointer to the hardware device extension. This is specific to the miniport driver instance.

AbsolutePath

The absolute path to the key to be read.

KeyName

The key path under the absolute path.

ValueType

The type of the registry key value in REG_XXXX format. Currently, only REG_DWORD value type is supported.

ValueData

Pointer to the data buffer to receive the registry key value.

ValueDataLength

The size of the ValueData, in bytes.

Return value

Returns a STOR_STATUS code as defined in storport.h.

Requirements

Requirement Value
Header storport.h