somSelf (M_WPObject *) - input

Pointer to the class object for which you want the class icon data.

pIconInfo (PICONINFO) - output

Pointer to a buffer.

Pointer to the buffer large enough to contain an ICONINFO data structure followed by the data needed to describe the icon.

If pIconInfo is NULL, the return value is the required size of the buffer.

ulReturn (ULONG) - returns

Buffer size or number of bytes required to hold the output data.

Depending of the contents of the pIconInfo parameter, ulReturn contains one of the following:

pIconInfo

ulReturn
NULL
Number of bytes required to hold the output data for this class.
Not NULL
Number of bytes written into the buffer.
If ulReturn is 0, an error occurred.

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