The LEADTOOLS C++ Class Library is a wrapper to the LEADTOOLS C API and provides only a subset of the features and functionality otherwise available in the LEADTOOLS C API. For more information about the full feature set of the LEADTOOLS C API, refer to LEADTOOLS C API Introduction.
Is this page helpful?
Calls the LAnnCrossProduct::EnumHandleCallBack function for ALL handles (both default and user-defined) for an annotation object.
#include "ltwrappr.h"
virtual L_INT LAnnCrossProduct::EnumerateHandles()
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 LAnnCrossProduct::EnumHandleCallBack function.
Win32, x64.
/*<struct>*/
#if defined(MyAnnCrossProduct)
class MyAnnCrossProduct: public LAnnCrossProduct
{
public:
virtual L_INT EnumHandleCallBack(HANNOBJECT hObject, pANNHANDLEINFO pHandleInfo);
};
#endif
/*</struct>*/
L_INT MyAnnCrossProduct::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 LAnnCrossProduct_EnumerateHandlesExample(MyAnnCrossProduct *LCrossProduct)
{
L_INT nRet;
LCrossProduct->EnableCallBack(TRUE);
nRet = LCrossProduct->EnumerateHandles();
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document