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Insert(string,int,int,int) Method

Summary

Inserts a new thumbnail element(s) from an image to the specified index of the WebThumbnailsViewer control.

Syntax

C++

public void Insert( 
   string imageUrl, 
   int firstPage, 
   int lastPage, 
   int thumbIndex 
)

  
Public Overloads Sub Insert( _ 
   ByVal imageUrl As String, _ 
   ByVal firstPage As Integer, _ 
   ByVal lastPage As Integer, _ 
   ByVal thumbIndex As Integer _ 
)

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

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.

thumbIndex
The 0-based index at which the new thumbnail element(s) should be inserted.

Example

This example replaces the first thumbnail with a "image1.jpg".

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Web.Controls; 
 
public void WebThumbnailViewer_Insert(WebThumbnailViewer webThumbnailViewer) 
{ 
   // Check if there is at least one thumbnail to replace. 
   if (webThumbnailViewer.Count > 1) 
   { 
      // Remove the first thumbnail image. 
      webThumbnailViewer.Remove(0, 0); 
      // insert a new image into as the first thumbnail. 
      webThumbnailViewer.Insert(@"Resources\image1.jpg", 1, 1, 0); 
   } 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.Web.Controls 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.Add--> 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.Add--> 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.Insert--> 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.Insert--> 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.ThumbsDirection--> 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.ThumbsDirection--> 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.Clear--> 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.Clear--> 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.GetThumbnailInfo--> 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.GetThumbnailInfo--> 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.PropertyChanged--> 
   ''' <!--Leadtools.Web.Controls.WebThumbnailViewer.PropertyChanged--> 
 
Public Sub WebThumbnailViewer_Insert(ByVal webThumbnailViewer As WebThumbnailViewer) 
   '' Check if there is at least one thumbnail to replace. 
   If (webThumbnailViewer.Count > 1) Then 
      '' Remove the first thumbnail image. 
      webThumbnailViewer.Remove(0, 0) 
      ' insert a new image into as the first thumbnail. 
      webThumbnailViewer.Insert("Resources\image1.jpg", 1, 1, 0) 
   End If 
End Sub

Requirements

Target Platforms

Reference

WebThumbnailViewer Class

WebThumbnailViewer Members

Overload List

Help Version 19.0.2017.10.27

Leadtools.Web Assembly

Introduction

Getting Started

Namespaces

Leadtools.Web.Controls Namespace

Leadtools.Web.Handlers Namespace

Assemblies