#include "BIDISP.H"
VOID CALLBACK BZoomUpdate( HWND hWnd,
LPPOINT ptMouse,
LPZOOMSTRUCT zm)
Description
This function updates the selection rectangle on the specified window. This function has effect when the BZoomStart function created the zoom structure with the ZOOM_SELECT zoom flag. lpMouse parameter must point to the actual location of the window in screen coordinates if BZoomStart was called with TRUE screen flag or client coordinates, if BZoomStart was called FALSE screen flag.
Parameters
|
HWND |
hWnd |
Window handle to display image. |
|
LPPOINT |
lpMouse |
Coordinates of the mouse pointer. |
|
LPZOOMSTRUCT |
zm |
Zoom structure created by BzoomStart function |
Return values
None.
Requirements
Header : Declared in BIDisp.h; include BIDisp.h.
Library : Use BIDisp.lib.
DLLs : BIDisp.dll.