LEADTOOLS WebForms and AJAX (Leadtools.Web assembly)

PropertyChanged Event (WebThumbnailViewer)

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Example 





Notifies clients that a property value has changed.
Syntax
public event PropertyChangedEventHandler PropertyChanged
'Declaration
 
Public Event PropertyChanged As PropertyChangedEventHandler
'Usage
 
Dim instance As WebThumbnailViewer
Dim handler As PropertyChangedEventHandler
 
AddHandler instance.PropertyChanged, handler

            

            
public:
event PropertyChangedEventHandler^ PropertyChanged
Event Data

The event handler receives an argument of type PropertyChangedEventArgs containing data related to this event. The following PropertyChangedEventArgs properties provide information specific to this event.

PropertyDescription
PropertyName Gets the name of the property that changed.
Remarks
The PropertyChanged event can indicate all properties on the object have changed by using either a null reference (Nothing in Visual Basic) or String.Empty as the property name in the System.ComponentModel.PropertyChangedEventArgs.
Example
Copy Code  
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.Web.Controls

Public Sub WebImageViewer_PropertyChanged(ByVal webThumbnailViewer As WebThumbnailViewer)
   AddHandler webThumbnailViewer.PropertyChanged, New System.ComponentModel.PropertyChangedEventHandler(AddressOf webThumbnailViewer_PropertyChanged)
End Sub

Sub webThumbnailViewer_PropertyChanged(ByVal sender As Object, ByVal e As System.ComponentModel.PropertyChangedEventArgs)

   If (e.PropertyName = "SelectedIndex") Then

      ' SelectedIndex property changed.

   ElseIf (e.PropertyName = "Rows") Then
      ' Rows property changed.

      '
      'etc.
      '
   End If
End Sub
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Web.Controls;

public void WebImageViewer_PropertyChanged(WebThumbnailViewer webThumbnailViewer)
{
   webThumbnailViewer.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(webThumbnailViewer_PropertyChanged);
}
void webThumbnailViewer_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
   if(e.PropertyName == "SelectedIndex")
   {
      // SelectedIndex property changed.
   }
   else if(e.PropertyName == "Rows")
   {
      // Rows property changed.
   }
   //
   //etc.
   //
}
Requirements

Target Platforms

See Also

Reference

WebThumbnailViewer Class
WebThumbnailViewer Members
WebThumbnailViewer Client Class

 

 


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