L_VecZoomRect

Summary

Sets the current zoom rectangle inside a vector handle.

Syntax

L_LVKRN_API L_INT L_VecZoomRect (pVector, pRect)

Parameters

pVECTORHANDLE pVector

Pointer to a vector handle.

const L_RECT * pRect

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

Returns

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.

See Also

Functions

• L_VecSetViewport
• L_VecGetViewPort
• L_VecSetPan
• L_VecGetPan

Example

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

L_LTVKRNTEX_API L_INT VecZoomRectExample( 
   pVECTORHANDLE pVector, 
   RECT* pRect) 
{ 
   return L_VecZoomRect( pVector, pRect ); 
}