LAnnEncrypt::EnumerateHandles (original) (raw)
Summary
Calls the LAnnEncrypt::EnumHandleCallBack function for ALL handles (both default and user-defined) for an annotation object.
Syntax
#include "ltwrappr.h"
virtual L_INT LAnnEncrypt::EnumerateHandles()
Returns
| Value | Meaning |
|---|---|
| SUCCESS | The function was successful. |
| < 1 | An error occurred. Refer to Return Codes. |
Comments
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 LAnnEncrypt::EnumHandleCallBack function.
Required DLLs and Libraries
- LTANN
- For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.
Platforms
Win32, x64.
See Also
Functions
Topics
- Annotation Functions: Object Properties
- Implementing Annotations
- Automated User Interface for Annotations
- Annotation Functions: Creating and Deleting Annotations
- Annotation Functions: Implementing Custom Annotations
Example
/*<struct>*/
#if defined(MyAnnEncrypt)
class MyAnnEncrypt: public LAnnEncrypt
{
public:
virtual L_INT EnumHandleCallBack(HANNOBJECT hObject, pANNHANDLEINFO pHandleInfo);
};
#endif
/*</struct>*/
L_INT MyAnnEncrypt::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 LAnnEncrypt_EnumerateHandlesExample(MyAnnEncrypt *LEncrypt)
{
L_INT nRet;
LEncrypt->EnableCallBack(TRUE);
nRet = LEncrypt->EnumerateHandles();
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}
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