In This Topic ▼

IndexOf Method

Summary

Returns the index of the specified item if it is found in the collection.

Syntax

C++/CLI

public virtual int IndexOf( 
   T item 
)

public:  
   virtual Int32 IndexOf( 
      T item 
   )

Parameters

item Object to test.

Return Value

The index of the specified item if it is found in the collection.

Remarks

if the object is not found in the collection, the return value is -1.

Example

using Leadtools; 
using Leadtools.Dicom; 
using Leadtools.Medical3D; 
using Leadtools.Codecs; 
using Leadtools.MedicalViewer; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Core; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.Annotations.Engine; 
using Leadtools.Annotations.Designers; 
 
 
// Sample to test the MedicalViewerCollection class. 
 
public void MedicalViewerCollectionExample() 
{ 
   MedicalViewerCollection<string> rc = new MedicalViewerCollection<string>(); 
   rc.ItemAdded += new EventHandler<MedicalViewerCollectionEventArgs<string>>(MedicalViewerCollection_ItemAdded); 
   rc.ItemRemoved += new EventHandler<MedicalViewerCollectionEventArgs<string>>(MedicalViewerCollection_ItemRemoved); 
 
   // add a few items  
   string item1 = "item 1"; 
   string item2 = "item 2"; 
   string item3 = "item 3"; 
 
   rc.Add(item1); 
   rc.Add(item2); 
   rc.Add(item3); 
 
   // insert an item  
   string newItem2 = "new item 2"; 
   rc.Insert(1, newItem2); 
 
   // check if collection contains this new item  
   Assert.IsTrue(rc.Contains(newItem2)); 
 
   // remove this new item  
   rc.Remove(newItem2); 
   Assert.IsTrue(!rc.Contains(newItem2)); 
 
   // remove the last item  
   rc.RemoveAt(rc.Count - 1); 
   Assert.IsTrue(rc.Count == 2); 
 
   // send the first item to the end of the collection  
   rc.SendToBack(item1, true); 
   Assert.IsTrue(rc.IndexOf(item1) == rc.Count - 1); 
 
   // bring it back to the front  
   rc.BringToFront(item1, true); 
   Assert.IsTrue(rc.IndexOf(item1) == 0); 
 
   // copy to an array  
   string[] items = new string[rc.Count]; 
   rc.CopyTo(items, 0); 
   Assert.IsTrue(items.Length == rc.Count); 
   for (int i = 0; i < items.Length; i++) 
      Assert.IsTrue(items[i] == rc[i]); 
 
   // loop throw the items and show them  
   foreach (string str in rc) 
      Console.WriteLine(str); 
 
   // clean the collection  
   rc.Clear(); 
   Assert.IsTrue(rc.Count == 0); 
} 
 
private void MedicalViewerCollection_ItemAdded(System.Object sender, MedicalViewerCollectionEventArgs<string> e) 
{ 
   Console.WriteLine("The Item ((" + e.Item.ToString() + ")) Has been added to the collection"); 
} 
 
private void MedicalViewerCollection_ItemRemoved(System.Object sender, MedicalViewerCollectionEventArgs<string> e) 
{ 
   Console.WriteLine("The Item ((" + e.Item.ToString() + ")) Has been removed from the collection"); 
}

Requirements

Target Platforms

Reference

MedicalViewerCollection<T> Class

MedicalViewerCollection<T> Members

Leadtools.MedicalViewer Namespace

Download our FREE evaluation

Help Version 23.0.2024.2.29

Leadtools.MedicalViewer Assembly

Introduction

Getting Started

Namespaces

Leadtools.MedicalViewer Namespace

Assemblies