<BrowsableAttribute(False)>
Public Overridable Property FloaterImage As RasterImage

Visual Basic (Usage)	Copy Code
Dim instance As RasterImageViewer Dim value As RasterImage   instance.FloaterImage = value   value = instance.FloaterImage

[BrowsableAttribute(false)]
public virtual RasterImage FloaterImage {get; set;}

[BrowsableAttribute(false)]
public: __property virtual RasterImage get_FloaterImage();
public: __property virtual void set_FloaterImage( 
   RasterImage value
);

[BrowsableAttribute(false)]
public:
virtual property RasterImage FloaterImage {
   RasterImage get();
   void set (RasterImage value);
}

Return Value

This sample lets you create a floater, move the floater, and combine the floater with the image.

Visual Basic

Copy Code

Private Sub viewer_InteractiveModeEnded(ByVal sender As Object, ByVal e As EventArgs)    ' an interactive mode is done. check if its drawing a region    ' if so, convert the region to a floater and set the interactive    ' mode so that we can drag the floater    Dim viewer As RasterImageViewer = CType(IIf(TypeOf sender Is RasterImageViewer, sender, Nothing), RasterImageViewer)    If viewer.InteractiveMode = RasterViewerInteractiveMode.Region Then       viewer.EnableTimer = True       viewer.RegionToFloater()       viewer.FloaterVisible = True       viewer.AnimateFloater = True       viewer.InteractiveMode = RasterViewerInteractiveMode.Floater       ' delete the region since we do not need it anymore       viewer.Image.MakeRegionEmpty()       MessageBox.Show("Move the floater around, double click anywhere on the viewer to combine it with the image")    End If End Sub Private Sub viewer_DoubleClick(ByVal sender As Object, ByVal e As EventArgs)    ' check if the interactive mode is Floater, if so,    ' combine the floater with the image.    Dim viewer As RasterImageViewer = CType(IIf(TypeOf sender Is RasterImageViewer, sender, Nothing), RasterImageViewer)    If viewer.InteractiveMode = RasterViewerInteractiveMode.Floater Then       viewer.InteractiveMode = RasterViewerInteractiveMode.None       viewer.CombineFloater(True, ImageProcessing.CombineFastCommandFlags.SourceCopy)       ' get rid of the floater since we do not need it anymore       viewer.FloaterImage = Nothing       MessageBox.Show("The floater has been combined with the image")    End If End Sub Public Sub RasterImageViewer_FloaterImage(ByVal viewer As RasterImageViewer)    ' hook into the viewer InteractiveModeEnded and DoubleClick events    AddHandler viewer.InteractiveModeEnded, AddressOf viewer_InteractiveModeEnded    AddHandler viewer.DoubleClick, AddressOf viewer_DoubleClick    ' first set the interactive mode to draw a freehand region    viewer.InteractiveRegionType = RasterViewerInteractiveRegionType.Freehand    viewer.InteractiveRegionCombineMode = RasterRegionCombineMode.Set    viewer.InteractiveMode = RasterViewerInteractiveMode.Region    MessageBox.Show("Draw a freehand region on the image") End Sub

C#

Copy Code

private void viewer_InteractiveModeEnded(object sender, EventArgs e)  {     // an interactive mode is done.  check if its drawing a region     // if so, convert the region to a floater and set the interactive     // mode so that we can drag the floater     RasterImageViewer viewer = sender as RasterImageViewer;     if (viewer.InteractiveMode == RasterViewerInteractiveMode.Region)     {        viewer.EnableTimer = true;        viewer.RegionToFloater();        viewer.FloaterVisible = true;        viewer.AnimateFloater = true;        viewer.InteractiveMode = RasterViewerInteractiveMode.Floater;        // delete the region since we do not need it anymore        viewer.Image.MakeRegionEmpty();          MessageBox.Show("Move the floater around, double click anywhere on the viewer to combine it with the image");     }  }    private void viewer_DoubleClick(object sender, EventArgs e)  {     // check if the interactive mode is Floater, if so,      // combine the floater with the image.     RasterImageViewer viewer = sender as RasterImageViewer;     if (viewer.InteractiveMode == RasterViewerInteractiveMode.Floater)     {        viewer.InteractiveMode = RasterViewerInteractiveMode.None;        viewer.CombineFloater(true, ImageProcessing.CombineFastCommandFlags.SourceCopy);          // get rid of the floater since we do not need it anymore        viewer.FloaterImage = null;        MessageBox.Show("The floater has been combined with the image");     }  }    public void RasterImageViewer_FloaterImage(RasterImageViewer viewer)  {     // hook into the viewer InteractiveModeEnded and DoubleClick events     viewer.InteractiveModeEnded += new EventHandler(viewer_InteractiveModeEnded);     viewer.DoubleClick += new EventHandler(viewer_DoubleClick);       // first set the interactive mode to draw a freehand region     viewer.InteractiveRegionType = RasterViewerInteractiveRegionType.Freehand;     viewer.InteractiveRegionCombineMode = RasterRegionCombineMode.Set;     viewer.InteractiveMode = RasterViewerInteractiveMode.Region;       MessageBox.Show("Draw a freehand region on the image");    }

The RasterImageViewer supports a floater image that can be dragged with the mouse when the value of the InteractiveMode is set to RasterViewerInteractiveMode.Floater

If the value of the floater image has a region, then only the region will be painted. This region can be animated by setting the value of the AnimateFloater property to true.

The position of the floater can be manipulated with the FloaterPosition property.

You can use the FloaterVisible property to control whether to view the floater.

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

Reference