virtual L_INT LMarker::SetHandle(phMarker, bFreePrev)
Attaches a new LEAD marker handle to the LMarker class object.
Pointer to a LEAD marker handle that references the marker collection to be attached to this object. This pointer will be invalidated if the function is successful. Pass NULL if you only want to detach the current marker handle from the marker collection.
Flag that indicates whether to free the previous marker handle before attaching the new one. Possible values are:
Value | Meaning |
---|---|
TRUE | Free the previous marker handle before attaching the new one. |
FALSE | Do not free the previous marker handle before attaching the new one. |
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
Use this function to attach a new LEAD marker handle to this LMarker class object's marker collection.
Win32, x64.
L_INT LMarker__SetHandleExample()
{
L_INT nRet;
LMarker MyMarker1;
LMarker MyMarker2;
nRet = MyMarker1.Load(MAKE_IMAGE_PATH(TEXT("ImageProcessingDemo\\Image1.jpg")), 0);
if(nRet != SUCCESS)
return nRet;
HANDLE SomeMarkerHandle = MyMarker1.GetHandle();
nRet = MyMarker2.SetHandle(&SomeMarkerHandle, FALSE);
if(nRet != SUCCESS)
return nRet;
nRet = MyMarker2.SetHandle(NULL, FALSE);
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}
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