LVectorBase::ZoomRect

#include "ltwrappr.h"

virtual L_INT LVectorBase::ZoomRect (pRect)

const RECT * pRect;

pointer to a RECT structure

Sets the current zoom rectangle inside a vector handle.

Parameter	Description
pRect	Pointer to a RECT structure that contains data on the new zoom rectangle.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

Use this function to set the desired zoom rectangle inside the current view port associated with a vector handle.

Please note that you will have to update the window to see the results of this function.

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.

Example

This example will use ZoomRect to zoom to a desired area inside the vector handle.

L_INT LVectorBase__ZoomRectExample( LVectorBase *pVector, RECT *pRect ) 
{ 
   L_INT nRet; 
   nRet = pVector->ZoomRect(pRect ); 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
}

Help Version 19.0.2017.10.27

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LEADTOOLS Vector C++ Class Library Help

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Appendix

Functions:	LVectorBase::SetViewport, LVectorBase::GetViewPort, LVectorBase::SetPan, LVectorBase::GetPan
Topics:	Viewing Vector Images
	Vector Images: Viewing a Vector Image