pswp (PSWP)

Structure array.

This points to an array that is to hold the SWP structures.

pprectl (PRECTL)

Pointer to client window rectangle.

This is typically the window rectangle of pswp, but where the window has a wide border, as specified by FCF_DLGBORDER for example, the rectangle is inset by the size of the border.

ccount (USHORT)

Count of the number of SWP arrays returned.