IContextNode::GetStrokePacketDataById method

Retrieves an array containing the packet property data for the specified stroke.

Syntax

HRESULT GetStrokePacketDataById(
  [in]      LONG  strokeId,
  [in, out] ULONG *pStrokePacketDataCount,
  [out]     LONG  **pplStrokePacketData
);

Parameters

strokeId [in]

The identifier for the stroke.

pStrokePacketDataCount [in, out]

The length of the packet data array.

pplStrokePacketData [out]

A pointer to the packet data for the stroke.

Return value

For a description of the return values, see Classes and Interfaces - Ink Analysis.

Remarks

Caution

To avoid a memory leak, use CoTaskMemFree to release the memory from *pplStrokePacketData when you no longer need the information.

plStrokePacketData contains packet data for all of the points in the stroke. To get the types of packet data included for each point in the stroke, use IContextNode::GetStrokePacketDescriptionById.

Requirements

Requirement	Value
Minimum supported client	Windows XP Tablet PC Edition [desktop apps only]
Minimum supported server	None supported
Header	IACom.h (also requires IACom_i.c)
DLL	IACom.dll

See also

IContextNode

IContextNode::GetStrokePacketDescriptionById

Ink Analysis Reference