LVectorWindow::ScrollBy

Show in webframe

#include "ltwrappr.h"

POINT LVectorWindow::ScrollBy(dx, dy)

L_INT dx;	/* horizontal distance */
L_INT dy;	/* vertical distance*/

Scrolls the displayed vector by the specified amount.

Parameter	Description
dx	The distance to scroll the vector horizontally.
dy	The distance to scroll the vector vertically.

Returns

A point structure that holds the actual horizontal and vertical distances by which the vector was scrolled.

Comments

The units for dx and dy are in pixels, with the top, left pixel of the image being 0,0. This function can be used with or without scrollbars.

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.

See Also

Functions:

LVectorWindow::ScrollTo, Class Members

Example

Assumes pVectorWindow points to a valid LVectorWindow object.

L_INT LVectorWindow__ScrollByExample(HWND hWndParent, LVectorWindow *pVectorWindow)
{
   UNREFERENCED_PARAMETER(hWndParent);
   //Scroll horizontally three pixels 
   pVectorWindow->ScrollBy(3, 0);
   return SUCCESS;
}