TIEView.MouseWheelParamsAlt
TIEView.MouseWheelParamsAlt
Declaration
property MouseWheelParams: TIEMouseWheelParams;
Description
MouseWheelParams and
MouseWheelParamsAlt allow you to customize the behavior of the mouse wheel.
MouseWheelParams is used to specify the default mouse wheel behaviour, whereas
MouseWheelParamsAlt is used when the Ctrl key is pressed.
Note: If
MouseWheelParamsAlt is iemwNone, then it has the same effect as
MouseWheelParamsTImageEnView DefaultsAction: iemwNone
ZoomPosition: iemwCenter
Variation: iemwPercentage
Value: 8
InvertDirection: False
TImageEnMView DefaultsAction: iemwZoom
Variation: iemwPercentage
Value: 8
InvertDirection: False
| Demos\Other\MouseWheel\MouseWheelParams.dpr |
| Demos\Multi\MView_AttachedViewer\MViewPreview.dpr |
ImageEnView Example
// Attach a TImageEnView to a TImageEnFolderMView and allow navigation by buttons on the TImageEnView. Mouse wheel will either zoom or navigate depending on Ctrl key
IEFolderMView1.AttachedImageEnView := ImageEnView1;
ImageEnView1.ShowButtons := [ iebtPrevious, iebtNext ];
ImageEnView1.MouseWheelParams.Action := iemwZoom;
ImageEnView1.MouseWheelParamsAlt.Action := iemwNavigate;
ImageEnMView1.MouseWheelParams.Action := iemwNavigate;
ImageEnMView Example
// Explorer like behavior. Mouse wheel scrolls the control and Ctrl + Mouse wheel changes the thumbnail view
ImageEnMView1.MouseWheelParams.Action := iemwVScroll;
ImageEnMView1.MouseWheelParamsAlt.Action := iemwZoomView;
See Also
◼MouseWheelParams◼ShiftKeyLock