WPF

<ListBox VirtualizingStackPanel.IsVirtualizing = "True" ItemsSource="{Binding MySource}" ItemsTemplate="{Binding MyTemplate}" /<

<StackPanel Orientation="Vertical" x:Name="pnlMain">
            <ListView VirtualizingStackPanel.IsVirtualizing="True" x:Name="gridControl1" VerticalAlignment="Stretch" HorizontalAlignment="Stretch"  
                      Width="Auto" Height="Auto" ScrollViewer.CanContentScroll="False"
                      IsSynchronizedWithCurrentItem="True" ScrollViewer.HorizontalScrollBarVisibility="Auto"  
                      ScrollViewer.VerticalScrollBarVisibility="Auto"
                      GridViewColumnHeader.Click="GridViewColumnHeaderClickedHandler"
                      local:ItemsControlBehavior.AlternateItemContainerStyle="{DynamicResource alternateItemStyle}">              
                <ListView.View>
                    <GridView x:Name="view" ColumnHeaderContainerStyle="{DynamicResource MyHeaderStyle}">
                    </GridView>
                </ListView.View>
                <ListView.ItemContainerStyle>
                    <Style TargetType="ListViewItem">
                        <Setter Property="HorizontalContentAlignment" Value="Stretch" />
                    </Style>
                </ListView.ItemContainerStyle>
                
           </ListView>
           
</StackPanel>

Pankaj Chamria wrote:

2) In case you can afford to render the changes once every 1-2 seconds then following the approach given in the below link will be very useful. It solved my performance and UI hanging problems.

Pankaj Chamria wrote:

1) Out of all the columns make sure you raise changed events for only those properties that are changing in value.

Pankaj Chamria wrote:

2) In case you can afford to render the changes once every 1-2 seconds then following the approach given in the below link will be very useful. It solved my performance and UI hanging problems.

frosty_4th wrote:

"The calling thread cannot access this object because a different thread owns it"

public void Test()
        {
            Button theButton = button1 as Button;

            if (theButton != null)
            {
                // Checking if this thread has access to the object.
                if (theButton.Dispatcher.CheckAccess())
                {
                    // This thread has access so it can update the UI thread.      
                    theButton.Content = "Hello";
                }
                else
                {
                    // This thread does not have access to the UI thread.
                    // Place the update method on the Dispatcher of the UI thread.
                    theButton.Dispatcher.BeginInvoke(DispatcherPriority.Normal,
                        (Action)(() => { theButton.Content = "Hello"; }));
                }
            }  
        }

public static void InvokeIfRequired(this DispatcherControl control, Action operation)
{
  if (control.Dispatcher.CheckAccess())
  {
    operation();
  }
  else
  {
    control.Dispatcher.BeginInvoke(DispatcherPriority.Normal, operation);
  }
}

Dispatcher.CurrentDispatcher.InvokeIfRequired(()=>{ theButton.Content="Hello"; });