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LVectorBase::ZoomRect

Summary

Sets the current zoom rectangle inside a vector handle.

Syntax

#include "ltwrappr.h"

virtual L_INT LVectorBase::ZoomRect (pRect)

Parameters

const RECT * pRect

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

Returns

Value	Meaning
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

LTVKRN
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; 
}

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Help Version 23.0.2024.2.29

LEADTOOLS Vector C++ Class Library Help

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