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Scroll Event (ScrollBarInfo)

Event that occurs when the scroll thumb is repositioned.
Syntax
'Declaration
 
Public Event Scroll As ScrollEventHandler
public event ScrollEventHandler Scroll
Event Data

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

PropertyDescription
NewValue Gets or sets the new System.Windows.Forms.ScrollBar.Value of the scroll bar.
OldValue Gets the old System.Windows.Forms.ScrollBar.Value of the scroll bar.
ScrollOrientation Gets the scroll bar orientation that raised the Scroll event.
Type Gets the type of scroll event that occurred.
Example
The following sample code illustrates the information available in the UltraScrollBar's Scroll event.

For an overview of how to handle events in Visual Basic or Visual C#, see Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see Consuming Events in the .NET Framework Developer's Guide.

Imports Infragistics.Win
Imports Infragistics.Win.UltraWinScrollBar

Private Sub ultraScrollBar1_Scroll(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ScrollEventArgs) Handles ultraScrollBar1.Scroll

    Dim scrollbar As UltraScrollBar = sender

    If scrollbar.Orientation = Orientation.Vertical Then
        Debug.WriteLine("Vertical scrollbar scrolled")
    Else
        Debug.WriteLine("Horizontal scrollbar scrolled")
    End If

    Debug.WriteLine("ScrollEventType: " + e.Type.ToString())
    Debug.WriteLine("Scrolled to: " + e.NewValue.ToString())

End Sub
using System.Diagnostics;
using Infragistics.Win;
using Infragistics.Win.UltraWinScrollBar;

private void ultraScrollBar1_Scroll(object sender, System.Windows.Forms.ScrollEventArgs e)
{

	UltraScrollBar scrollbar = sender as UltraScrollBar;

	if ( scrollbar.Orientation == Orientation.Vertical )
		Debug.WriteLine( "Vertical scrollbar scrolled");
	else
		Debug.WriteLine( "Horizontal scrollbar scrolled");

	Debug.WriteLine( "ScrollEventType: " + e.Type.ToString());
	Debug.WriteLine( "Scrolled to: " + e.NewValue.ToString());

}
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also