The string length should indicate the number of Unicode characters
to be send. If not, parameter error will be retuned by the function.
ULONG BuffLen
Number of Unicode characters in the supplied buffer.
ULONG StartPos
Linear position in the presentation space at which to start
the copy.
ULONG StartRow
Row in the presentation space at which to start the copy.
ULONG StartCol
Column in the presentation space at which to start the copy.
ULONG Length
Linear position to copy from the presentation space.
PS_PLANE plane
Optional parameter specifying which presentation space plane
is to be copied. If specified, must be one of TextPlane, ColorPlane, RawTextPlane, FieldPlane, and ExtendedFieldPlane.
The default is TextPlane. See ECL Planes — Format and Content for the content and format of the different ECL planes.
Data String
Pre-allocated target Unicode string. When the Set
Sessions Parameters function with Extended Attribute Bytes (EAB)
option is issued, the length of the data string must be twice the
size of the presentation space.