1.2

User data may be attached to any drawing entity or to the drawing header and used for storage of entity information, drawing information, custom settings, or indices to external tables. This data can be assigned and retrieved from entities based on the data type and the specified index.

extern "C" short WINAPI VCGetCurrentEntityUserDataShort(short* iError, short iIndex);
extern "C" void WINAPI VCSetCurrentEntityUserDataShort(short* iError, short iIndex, short s);

function VCGetCurrentEntityUserDataShort(var iError: Smallint; iIndex:Smallint):Smallint; stdcall;
procedure VCSetCurrentEntityUserDataShort(var iError: Smallint; iIndex:Smallint; s: Smallint); stdcall;

Function GetCurrentEntityUserDataShort(ByVal iIndex As Integer) As Integer
Sub SetCurrentEntityUserDataShort(ByVal iIndex As Integer, ByVal s As Integer)

iIndex - the index number within the current entity where the chunk should be stored.
s - value attached to the entity

VCAddCurrentEntityUserDataChunk, VCAddCurrentEntityUserDataByte, VCAddCurrentEntityUserDataDouble, VCAddCurrentEntityUserDataFloat, VCAddCurrentEntityUserDataLong, VCAddCurrentEntityUserDataShort, VCGetUserDataName, VCGetCurrentEntityUID, VCGetCurrentEntityUserDataByte, VCGetCurrentEntityUserDataChunk, VCGetCurrentEntityUserDataCount, VCGetCurrentEntityUserDataDouble, VCGetCurrentEntityUserDataKind, VCGetCurrentEntityUserDataLong, VCGetCurrentEntityUserDataFloat, VCGetCurrentEntityUserDataString, VCGetCurEntUserDataChunkSize, VCSetEntityUserData, VCSetHeaderUserData