- 0 2.0
Returns a pointer to stroke data contained in an HPENDATA
memory block previously locked with the BeginEnumStrokes
This function is provided only for compatibility with version 1.0 of the Pen
API and will not be supported in future versions. Use other services such as GetPenDataAttributes
to examine an HPENDATA block.
BOOL GetPenDataStroke( LPPENDATA lppd, UINT iStrk, LPPOINT FAR * lplppt, LPVOID FAR * lplpvOem, LPSTROKEINFO lpsi )
Address of the HPENDATA
memory block. This parameter is the value returned by a previous call to the BeginEnumStrokes
Zero-based index of the stroke to retrieve.
Address of a pointer to a point. The pointer returned by the function will
point to the first point of the stroke inside the pen data object. This parameter
can be NULL if point data is not required.
Address of a void pointer. The pointer returned by the function will point to
the OEM data block of the stroke inside the pen data object. The format of the
OEM data is specified by the rgoempeninfo
member in the PENINFO
structure. This parameter can be NULL if OEM data is not required.
Address of a STROKEINFO
structure. This parameter can be NULL if stroke information is not required.
Returns TRUE if successful. If the stroke requested is out of range, the
function returns FALSE.
GetPenDataStroke returns in lpsi
a pointer to a STROKEINFO
structure created from the stroke referenced by iStrk
. The lpsi
parameter does not point directly into the HPENDATA
However, the lplppt
argument points to the first point of the stroke inside the HPENDATA
block. For a description of how the GetPenDataStroke
function has changed in version 2.0 of the Pen API, refer to AppendixA.
Applications must call BeginEnumStrokes
before calling GetPenDataStroke
. After the last call to GetPenDataStroke
, the application must call EndEnumStrokes
. Once EndEnumStrokes
is called, the data that lplppt
point to is no longer valid.
Under no circumstances should an application modify data directly within an HPENDATA
block. Doing so can invalidate other information in the block. To modify an HPENDATA
block, use one of the Pen API functions listed in Chapter 4, "The Inking
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