TIEView.OnZoomIn

Declaration

property OnZoomIn: TIEZoomEvent;

Description

Occurs whenever the user zooms into the current image (increases its display size).
You can customize the zoom value by changing the NewZoom parameter, e.g. to apply a minimum or maximum zoom.

Note: Only occurs with user zooming (e.g. mouse wheel, toolbar or actions) or the ZoomIn method. Does not occur with programmatic changes to Zoom

Example

// Min zoom-in of 10%
Procedure Tform1.ImageEnView1ZoomIn(Sender: TObject; var NewZoom: Double);
Begin
  if NewZoom < 10 then
    NewZoom := 10;
End;

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