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LEADTOOLS WebForms and AJAX (Leadtools.Web assembly)
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Add(String,Int32,Int32) Method






Leadtools.Web.Controls Namespace > WebThumbnailViewer Class > Add Method : Add(String,Int32,Int32) Method
The image URL or image virtual path to which to add its page(s) as thumbnail(s). Each page will be added as a new thumbnail.
The 1-based index of the first page to load.
The 1-based index of the last page to load. Must be greater than or equal to firstPage. You can pass -1 to load from firstPage to the last page in the file.
Adds a new thumbnail element(s) from an image to the end of the WebThumbnailsViewer control.
Syntax
public void Add( 
   string imageUrl,
   int firstPage,
   int lastPage
)
'Declaration
 
Public Overloads Sub Add( _
   ByVal imageUrl As String, _
   ByVal firstPage As Integer, _
   ByVal lastPage As Integer _
) 
'Usage
 
Dim instance As WebThumbnailViewer
Dim imageUrl As String
Dim firstPage As Integer
Dim lastPage As Integer
 
instance.Add(imageUrl, firstPage, lastPage)

            

        

            

            

            

        

            

            
public:
void Add( 
   String^ imageUrl,
   int firstPage,
   int lastPage
) 

            

        

            

        
            
Parameters
imageUrl


The image URL or image virtual path to which to add its page(s) as thumbnail(s). Each page will be added as a new thumbnail.
firstPage


The 1-based index of the first page to load.
lastPage


The 1-based index of the last page to load. Must be greater than or equal to firstPage. You can pass -1 to load from firstPage to the last page in the file.

            
            

            
            
            
            
          
            
Example
This example initializes the WebThumbnailViewer control and connect it to a WebImageViewer control, then loads "multipage.tif" file into it, and select the first thumbnail to display its image into the WebImageViewer control.

             
    

            
            

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

Public Sub WebThumbnailViewer_InitWebThumbnailViewer(ByVal webThumbnailViewer As WebThumbnailViewer, ByVal webViewerID As String)
   webThumbnailViewer.CacheFolder = "MyCacheFolderName"
   webThumbnailViewer.ResourcesPath = "Resources"
   webThumbnailViewer.HorizontalAlignMode = ImageViewerAlignMode.Center
   webThumbnailViewer.VerticalAlignMode = ImageViewerAlignMode.Center
   webThumbnailViewer.LayoutDirection = LayoutDirection.Horizontal
   webThumbnailViewer.ThumbStyle.BackColor = Color.LightGray
   webThumbnailViewer.ThumbStyle.Cursor = "pointer"
   webThumbnailViewer.ThumbStyle.HoverBackColor = Color.Gray
   webThumbnailViewer.SelectedThumbStyle.BackColor = Color.Red
   webThumbnailViewer.SelectedThumbStyle.Cursor = "default"
   webThumbnailViewer.SelectedThumbStyle.HoverBackColor = Color.DarkRed
   webThumbnailViewer.ThumbPadding = 10
   webThumbnailViewer.ThumbSpacing = 10
   webThumbnailViewer.ViewerID = webViewerID
   webThumbnailViewer.ThumbSize = New Size(120, 120)
   webThumbnailViewer.BrowserImageFormat = BrowserImageFormat.Png
   ' Enable loading the text files.
   ' inputProfile.xml Contains the following:
   ' <ImageGenerator>
   '    <InputProfile>
   '       <TxtEnabled>true</TxtEnabled>
   '    </InputProfile>
   ' </ImageGenerator>
   webThumbnailViewer.InputProfile = webThumbnailViewer.Page.MapPath("Resources\inputProfile.xml")

   ' Set the quality factor for images displayed by the thumbnail viewer, note that the BrowserImageFormat is set to Png.
   ' outputProfile.xml Contains the following:
   ' <ImageGenerator>   
   '    <OutputProfile>
   '       <PngQualityFactor>9</PngQualityFactor>
   '    </OutputProfile>
   ' </ImageGenerator>
   webThumbnailViewer.OutputProfile = webThumbnailViewer.Page.MapPath("Resources\outputProfile.xml")

   ' Prevent the Internet Explorer from loading the thumbnail images in the Temporary Internet Folder.
   webThumbnailViewer.DisableBrowserCaching = True

   webThumbnailViewer.Add("Resources\TextFile.txt", 1, -1)
   webThumbnailViewer.SelectedIndex = 0
End Sub

            

   

     

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

public void WebThumbnailViewer_InitWebThumbnailViewer(WebThumbnailViewer webThumbnailViewer, string webViewerID)
{
   webThumbnailViewer.CacheFolder = "MyCacheFolderName";
   webThumbnailViewer.ResourcesPath = @"Resources";
   webThumbnailViewer.HorizontalAlignMode = ImageViewerAlignMode.Center;
   webThumbnailViewer.VerticalAlignMode = ImageViewerAlignMode.Center;
   webThumbnailViewer.LayoutDirection = LayoutDirection.Horizontal;
   webThumbnailViewer.ThumbStyle.BackColor = Color.LightGray;
   webThumbnailViewer.ThumbStyle.Cursor = "pointer";
   webThumbnailViewer.ThumbStyle.HoverBackColor = Color.Gray;
   webThumbnailViewer.SelectedThumbStyle.BackColor = Color.Red;
   webThumbnailViewer.SelectedThumbStyle.Cursor = "default";
   webThumbnailViewer.SelectedThumbStyle.HoverBackColor = Color.DarkRed;
   webThumbnailViewer.ThumbPadding = 10;
   webThumbnailViewer.ThumbSpacing = 10;
   webThumbnailViewer.ViewerID = webViewerID;
   webThumbnailViewer.ThumbSize = new Size(120, 120);
   webThumbnailViewer.BrowserImageFormat = BrowserImageFormat.Png;
   // Enable loading the text files.
   // inputProfile.xml Contains the following:
   // <ImageGenerator>
   //    <InputProfile>
   //       <TxtEnabled>true</TxtEnabled>
   //    </InputProfile>
   // </ImageGenerator>
   webThumbnailViewer.InputProfile = webThumbnailViewer.Page.MapPath("Resources\\inputProfile.xml");

   // Set the quality factor for images displayed by the thumbnail viewer, note that the BrowserImageFormat is set to Png.
   // outputProfile.xml Contains the following:
   // <ImageGenerator>   
   //    <OutputProfile>
   //       <PngQualityFactor>9</PngQualityFactor>
   //    </OutputProfile>
   // </ImageGenerator>
   webThumbnailViewer.OutputProfile = webThumbnailViewer.Page.MapPath("Resources\\outputProfile.xml");

   // Prevent the Internet Explorer from loading the thumbnail images in the Temporary Internet Folder.
   webThumbnailViewer.DisableBrowserCaching = true;

   webThumbnailViewer.Add(@"Resources\TextFile.txt", 1, -1);
   webThumbnailViewer.SelectedIndex = 0;
}

            

   

     

            
/// <!--Leadtools.Web.Controls.WebThumbnailViewer.Add-->
/// <!--Leadtools.Web.Controls.WebThumbnailViewer.Add-->
/// <!--Leadtools.Web.Controls.WebThumbnailViewer.ThumbsDirection-->
/// <!--Leadtools.Web.Controls.WebThumbnailViewer.ThumbsDirection-->

function WebThumbnailViewer_InitWebThumbnailViewer(webThumbnailViewer)
{
   webThumbnailViewer.setHorizontalAlignMode(ImageViewerAlignMode.Center);
   webThumbnailViewer.setVerticalAlignMode(ImageViewerAlignMode.Center);
   webThumbnailViewer.setLayoutDirection(LayoutDirection.Horizontal);
   webThumbnailViewer.getThumbStyle().setBackColor('#D3D3D3');
   webThumbnailViewer.getThumbStyle().setCursor = 'pointer';
   webThumbnailViewer.getThumbStyle().setHoverBackColor('#808080');
   webThumbnailViewer.getSelectedThumbStyle().setBackColor('#909090');
   webThumbnailViewer.getSelectedThumbStyle().setCursor = 'default';
   webThumbnailViewer.getSelectedThumbStyle().setHoverBackColor('#8B0000');
   webThumbnailViewer.setThumbPadding(10);
   webThumbnailViewer.setThumbSpacing(10);
   webThumbnailViewer.setThumbSize(new ltwfSize(120, 120));
   webThumbnailViewer.setSelectedIndex(0);
}

            

   

      
	
      
	
    

            
            
Requirements
Target Platforms

            
            
See Also
Reference
WebThumbnailViewer Class

WebThumbnailViewer Members

Overload List




        
    

	
    

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