prclViewport (PRECTL)
Pointer to the RECTL structure that the virtual coordinates of the client area rectangle are to be written into.
usIndicator (USHORT)
One of the following must be used:
CMA_WINDOW
fRightSplitWindow (BOOL)
Flag that specifies the right or left window in the split details view. This flag is ignored if the view is not the split details view.
TRUE
rc (BOOL)
TRUE
PMERR_INVALID_PARAMETERS.