StringGetter function

Calls a member-function property getter callback for a string-type property.

Syntax

HRESULT CALLBACK StringGetter(
  _In_      const IUnknown *effect,
  _Out_opt_       BYTE     *data,
                  UINT32   dataSize,
  _Out_opt_       UINT32   *actualSize
);

Parameters

effect [in]

Type: const IUnknown*

The effect with the property.

data [out, optional]

Type: BYTE*

When this method returns, contains a pointer to the data requested.

dataSize

Type: UINT32

The number of bytes in the data to be retrieved.

actualSize [out, optional]

Type: UINT32*

The actual size of the data, if the data is not measured in bytes.

Return value

Type: HRESULT CALLBACK

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements