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Tag Property

Summary

Optional user defined data associated with this item.

Syntax

C++

public object Tag { get; set; }

Public Property Tag() As Object 
   Get 
   Set

public:  
   property Object^ Tag 
   { 
      Object^ get() 
      void set(Object^ value) 
   }

Property Value

The optional user defined data associated with this item. Default value is null.

Remarks

This value is not used by LEADTOOLS. You can set any value here for the purpose of your application.

For more information, refer Image Viewer Items.

Example

using Leadtools; 
using Leadtools.Controls; 
using Leadtools.Codecs; 
using Leadtools.Drawing; 
using LeadtoolsExamples.Common; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Color; 
 
for (int i = 0; i < _imageViewer.Items.Count; i++) 
{ 
   ImageViewerItem item = _imageViewer.Items[i]; 
 
   int pageNumber = (int)item.Tag; // we already save the page number in Tag in other example, you can save any data you want in this object 
 
   // for example, update the item text to have page number ... 
   string text = item.Text; 
   if (string.IsNullOrEmpty(text)) 
      text = "Page " + pageNumber.ToString(); 
}

Imports Leadtools 
Imports Leadtools.Controls 
Imports Leadtools.Codecs 
Imports Leadtools.Drawing 
Imports Leadtools.ImageProcessing 
Imports Leadtools.ImageProcessing.Color 
Imports LeadtoolsControlsExamples.LeadtoolsExamples.Common 
 
Dim i As Integer = 0 
Do While i < _imageViewer.Items.Count 
   Dim item As ImageViewerItem = _imageViewer.Items(i) 
 
   Dim pageNumber As Integer = CInt(item.Tag) ' we already save the page number in Tag in other example, you can save any data you want in this object 
 
   ' for example, update the item text to have page number ... 
   Dim text As String = item.Text 
   If String.IsNullOrEmpty(text) Then 
      text = "Page " & pageNumber.ToString() 
   End If 
   i += 1 
Loop

Requirements

Target Platforms

Reference

ImageViewerItem Class

ImageViewerItem Members

Leadtools.Controls Namespace

Help Version 19.0.2017.10.27

Leadtools.Controls.WinForms Assembly

Introduction

Getting Started

Namespaces

Leadtools.Controls Namespace

Assemblies