Version 19 of this C API has changed from version 18 as follows:
Changed structures
VECTORTOOLTIPDESC - the type of Point member has been changed to L_POINT.
VECTORLINKDESC - the type of hwndParent member has been changed to L_VECTOR_WND.
GRADIENTBRUSH - the types of crStartColor and crEndColor members have been changed to L_COLORREF.
HATCHBRUSH - the type of pEntryPoints member has been changed to L_POINT*.
Changed functions
L_VecGetBackgroundColor - the return type has been changed to L_COLORREF.
L_VecGetObjectRect - the type of pRect parameter has been changed to L_RECT.
L_VecGetPan - the type of pPan parameter has been changed to L_POINT.
L_VecSetPan - the type of pPan parameter has been changed to L_POINT.
L_VecGetViewport - the type of pViewport parameter has been changed to L_RECT.
L_VecHitTest - the type of pPoint parameter has been changed to L_POINT.
L_VecIsObjectInsideRect - the type of pRect parameter has been changed to L_RECT.
L_VecLogicalToPhysical - the type of pDst parameter has been changed to L_POINT.
L_VecPhysicalToLogical - the type of pSrc parameter has been changed to L_POINT.
L_VecPhysicalToLogical - the type of Color parameter has been changed to L_COLORREF.
L_VecSetViewport - the type of pViewport parameter has been changed to L_RECT.
L_VecZoomRect - the type of pRect parameter has been changed to L_RECT.
For more information, refer to: