%HI_MouseWheelZoom function

Function
This function enables/disables to zoom an active picture by the mouse wheel. Zooming keeps the position of mouse in the picture. For this reason, in the window there can be displayed an area outside dimensions defined in the D2000 GrEditor.
Declaration
%HI_MouseWheelZoom(
   INT in _iStep
 )
Parameters
_iStep0 - disables zoom with the mouse wheel.
>0 - size of zoom in thousandths of picture size.
Example
 %HI_MouseWheelZoom(50)
Note
This function is available also in %HIX_ version.

Related pages:

Active picture manipulation functions
Picture local variables
Function arguments - types

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