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GetThumbnailInfo Method

Summary

Gets information about a specific thumbnail element.

Syntax

C++

public ThumbnailInfo GetThumbnailInfo( 
   int thumbIndex 
)

  
Public Function GetThumbnailInfo( _ 
   ByVal thumbIndex As Integer _ 
) As Leadtools.Web.Controls.ThumbnailInfo

public: 
Leadtools.Web.Controls.ThumbnailInfo GetThumbnailInfo(  
   int thumbIndex 
)

Parameters

thumbIndex
The 0-based index of the thumbnail element about which to obtain information.

Return Value

A ThumbnailInfo object containing information about the specified thumbnail element.

Example

This example loads the first thumbnail image into Leadtools.RasterImage.

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Web.Controls; 
 
public RasterImage WebThumbnailViewer_GetThumbnailImage(WebThumbnailViewer webThumbnailViewer) 
{ 
   RasterImage image = null; 
 
   if (webThumbnailViewer.Count > 1) 
   { 
      ThumbnailInfo thumbInfo = webThumbnailViewer.GetThumbnailInfo(0); 
      string thumbImageUrl = thumbInfo.Url; 
 
      if (thumbInfo.CacheFileName != string.Empty) 
         thumbImageUrl = thumbInfo.CacheFileName; 
 
      RasterCodecs codecs = new RasterCodecs(); 
 
      string filePath = webThumbnailViewer.Page.MapPath(thumbImageUrl); 
 
      image = codecs.Load(filePath, 0, CodecsLoadByteOrder.BgrOrGray, thumbInfo.Page, thumbInfo.Page); 
   } 
   return image; 
}

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 Function WebImageViewer_GetThumbnailImage(ByVal webThumbnailViewer As WebThumbnailViewer) As RasterImage 
   Dim image As RasterImage = Nothing 
 
   If (webThumbnailViewer.Count > 1) Then 
      Dim thumbInfo As ThumbnailInfo = webThumbnailViewer.GetThumbnailInfo(0) 
      Dim thumbImageUrl As String = thumbInfo.Url 
 
      If (Not thumbInfo.CacheFileName = String.Empty) Then 
         thumbImageUrl = thumbInfo.CacheFileName 
      End If 
      Dim codecs As RasterCodecs = New RasterCodecs() 
 
      Dim filePath As String = webThumbnailViewer.Page.MapPath(thumbImageUrl) 
 
      image = codecs.Load(filePath, 0, CodecsLoadByteOrder.BgrOrGray, thumbInfo.Page, thumbInfo.Page) 
   End If 
   Return image 
End Function

Requirements

Target Platforms

Reference

WebThumbnailViewer Class

WebThumbnailViewer Members

WebThumbnailViewer Client Class

Help Version 19.0.2017.10.27

Leadtools.Web Assembly

Introduction

Getting Started

Namespaces

Leadtools.Web.Controls Namespace

Leadtools.Web.Handlers Namespace

Assemblies