#include "ltwrappr.h"
virtual L_INT LVectorBase::SetOrigin(pOrigin=NULL)
const pVECTORPOINT pOrigin; |
pointer to a vector point |
Sets the new origin for the class object's associated vector.
Parameter |
Description |
pOrigin |
Pointer to a VECTORPOINT structure that contains the new origin. If this parameter is NULL, the new origin will be calculated based on the objects currently in the vector handle. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
The origin of a vector drawing may change whenever new objects are added. To insure that the drawing is centered around its origin, call LVectorBase::SetOrigin(NULL) after adding objects.
The origin may be retrieved using LVectorBase::GetOrigin.
LVectorBase::ApplyTransformation must be called to make the new origin take effect; if you dont your changes will not be saved.
Required DLLs and Libraries
LVKRN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Functions: |
|
Topics: |
This example moves the vector origin.
L_INT LVectorBase__SetOriginExample(HWND hWnd, LVectorBase *pVector)
{
UNREFERENCED_PARAMETER(hWnd);
L_INT nRet;
VECTORPOINT pointOrigin;
nRet = pVector->GetOrigin (&pointOrigin);
if(nRet != SUCCESS)
return nRet;
pointOrigin.x +=1;
nRet = pVector->SetOrigin(&pointOrigin);
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}
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