Spread Windows Forms 6.0 Product Documentation
TopChange Event
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FarPoint.Win.Spread Assembly > FarPoint.Win.Spread Namespace > FpSpread Class : TopChange Event

Glossary Item Box

Occurs when the top row changes.


Visual Basic (Declaration) 
Public Event TopChange As TopChangeEventHandler
Visual Basic (Usage)Copy Code
Dim instance As FpSpread
Dim handler As TopChangeEventHandler
AddHandler instance.TopChange, handler
public event TopChangeEventHandler TopChange

Event Data

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

NewTop Gets the index of the new top row.
OldTop Gets the index of the previous top row.
RowViewportIndex Gets the index of the viewport row in which the change occurred.


This event is raised by the OnTopChange method when a different row becomes the new top row.

For more details on the individual event arguments, refer to TopChangeEventArgs members.


This example raises the TopChange event.
C#Copy Code
private void fpSpread1_TopChange(object sender, FarPoint.Win.Spread.TopChangeEventArgs e)
      Label1.Text = "The new top is " + e.NewTop.ToString;
Visual BasicCopy Code
Private Sub FpSpread1_TopChange(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.TopChangeEventArgs) Handles FpSpread1.TopChange
     Label1.Text = "The new top is " & e.NewTop.ToString
End Sub


Target Platforms: 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

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