ScrollBarVisible Property

Enables or disables automatically showing the scroll bars if the image width or height exceeds the control client area.

Syntax

C#
Visual Basic
Objective-C
Java
C++

public bool ScrollBarVisible {get; set;}

'Declaration
 
Public Property ScrollBarVisible As Boolean

'Usage
 
Dim instance As WebImageViewer
Dim value As Boolean
 
instance.ScrollBarVisible = value
 
value = instance.ScrollBarVisible

public:
property bool ScrollBarVisible {
   bool get();
   void set (    bool value);
}

Property Value

true, automatically show the scroll bars; false, hide the scroll bars.

Remarks

Default value is true.

Example

This example disables the scrollbars, centers the image and uses the panning features in the left mouse button to scroll the image.

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.Web.Controls

<TestMethod()> _
Public Sub WebImageViewer_ScrollBarVisible()
   Dim mainWebImageViewer As WebImageViewer = New WebImageViewer()
   AddHandler mainWebImageViewer.ImageChanged, AddressOf mainWebImageViewer_ImageChanged
   mainWebImageViewer.MouseInteractiveMode.LeftButton = ImageViewerMouseInteractiveMode.Pan

   '' disable the scrollbars
   mainWebImageViewer.ScrollBarVisible = False
   '' open "image1.tif"
   mainWebImageViewer.OpenImageUrl("Resources\MultiPage.tif")
   '' display the image with dpi
   mainWebImageViewer.UseDpi = False
   '' scroll the image to the center point.
   mainWebImageViewer.ScrollPosition = New Point(CType(mainWebImageViewer.MaxScrollPosition.X / 2, Integer), CType(mainWebImageViewer.MaxScrollPosition.Y / 2, Integer))

   RemoveHandler mainWebImageViewer.ImageChanged, AddressOf mainWebImageViewer_ImageChanged
End Sub

Sub mainWebImageViewer_ImageChanged(ByVal sender As Object, ByVal e As EventArgs)
   '' "New Image is loaded"...
End Sub

using Leadtools;
using Leadtools.Codecs;
using Leadtools.Web.Controls;
using Leadtools.ImageProcessing;

public void WebImageViewer_ScrollBarVisible()
{
   WebImageViewer mainWebImageViewer = new WebImageViewer();
   mainWebImageViewer.ImageChanged += new EventHandler(mainWebImageViewer_ImageChanged);
   mainWebImageViewer.MouseInteractiveMode.LeftButton = ImageViewerMouseInteractiveMode.Pan;
   // disable the scrollbars
   mainWebImageViewer.ScrollBarVisible = false;
   // open "MultiPage.tif"
   mainWebImageViewer.OpenImageUrl(@"Resources\MultiPage.tif");
   // display the image with dpi
   mainWebImageViewer.UseDpi = false;
   // scroll the image to the center point.
   mainWebImageViewer.ScrollPosition = new Point(mainWebImageViewer.MaxScrollPosition.X / 2, mainWebImageViewer.MaxScrollPosition.Y / 2);

   mainWebImageViewer.ImageChanged -= new EventHandler(mainWebImageViewer_ImageChanged);
}

void mainWebImageViewer_ImageChanged(object sender, EventArgs e)
{
   // "New Image is loaded"...
}

Requirements

Target Platforms

Reference

WebImageViewer Class
WebImageViewer Members
WebImageViewer Client Class