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wiauRegOpenDataW function (wiautil.h)

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The wiauRegOpenData function opens the DeviceData registry key.

Syntax

HRESULT wiauRegOpenDataW(
  [in]      HKEY hkeyAncestor,
  [in, out] HKEY *phkeyDeviceData
);

Parameters

[in] hkeyAncestor

Specifies the key handle of the parent. This parameter should be set to the value used in the call to the IStiUSD::Initialize method.

[in, out] phkeyDeviceData

Pointer to a memory location that receives the opened key handle.

Return value

On success, the function returns S_OK. If the function fails, it returns a standard COM error.

Remarks

Call this function only in the STI IStiUSD::Initialize method. Call RegCloseKey (described in the Microsoft Windows SDK documentation) when you are finished with the registry.

Requirements

Requirement Value
Target Platform Desktop
Header wiautil.h (include Wiautil.h)

See also

IStiUSD::Initialize