virtual L_INT LAnnRuler::EnumerateHandles()
Calls the LAnnRuler::EnumHandleCallBack function for ALL handles (both default and user-defined) for an annotation object.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
Use this function to get information about all annotation handles for an annotation object.
Note that this function returns information about both default annotation handles and user-defined annotation handles.
This function can also be used to change some of the properties of an annotation handle.
For more information, refer to the LAnnRuler::EnumHandleCallBack function.
Win32, x64.
/*<struct>*/
#if defined(MyAnnRuler)
class MyAnnRuler: public LAnnRuler
{
public:
virtual L_INT EnumHandleCallBack(HANNOBJECT hObject, pANNHANDLEINFO pHandleInfo);
};
#endif
/*</struct>*/
L_INT MyAnnRuler::EnumHandleCallBack(HANNOBJECT hObject, pANNHANDLEINFO pHandleInfo)
{
UNREFERENCED_PARAMETER(hObject);
pHandleInfo->bVisible = TRUE;
if (pHandleInfo->nType == ANNHANDLETYPE_DEFAULT_HANDLE)
{
pHandleInfo->nShape = ANNHANDLE_SHAPE_SQUARE;
pHandleInfo->crFill = RGB(0,0,255);
}
else
{
pHandleInfo->nShape = ANNHANDLE_SHAPE_CIRCLE;
pHandleInfo->crFill = RGB(0,255,0);
}
return SUCCESS_CHANGE;
}
L_INT LAnnRuler_EnumerateHandlesExample(MyAnnRuler *LRuler)
{
L_INT nRet;
LRuler->EnableCallBack(TRUE);
nRet = LRuler->EnumerateHandles();
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}
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