USBCAMD_GetRegistryKeyValue - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// usbcamdi.h

NTSTATUS USBCAMD_GetRegistryKeyValue(
  [in] HANDLE Handle,
  [in] PWCHAR KeyNameString,
  [in] ULONG  KeyNameStringLength,
  [in] PVOID  Data,
  [in] ULONG  DataLength
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-usbcamdi-usbcamd_getregistrykeyvalue)

Description

The USBCAMD_GetRegistryKeyValue function retrieves the device-instance-specific registry key value.

Parameters

Handle [in]

Handle to a valid and open device registry key.

KeyNameString [in]

Pointer to the string buffer describing the key type.

KeyNameStringLength [in]

Specifies the length, in characters, of KeyNameString.

Data [in]

Pointer to a caller-specified value or structure.

DataLength [in]

Specifies the length, in bytes, of the value or structure at Data.

Return value

USBCAMD_GetRegistryKeyValue returns STATUS_SUCCESS if the call was successful.

Other possible error codes include:

Return code Description
STATUS_NO_MEMORY There was insufficient memory to continue.

View the official Windows Driver Kit DDI reference

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