ScrollBarVisible Property
Summary
Enables or disables automatically showing the scroll bars if the image width or height exceeds the control client area.
Syntax
public bool ScrollBarVisible {get; set;}
Public Property ScrollBarVisible As Boolean
public:
property bool ScrollBarVisible {
bool get();
void set ( bool );
}
Property Value
true, automatically show the scroll bars; false, hide the scroll bars.
Example
This example disables the scrollbars, centers the image and uses the panning features in the left mouse button to scroll the image.
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"...
}