UserZooming Event

Visual Basic
C#

'Declaration
 
Public Event UserZooming As UserZoomingEventHandler

'Usage
 
Dim instance As FpSpread
Dim handler As UserZoomingEventHandler
 
AddHandler instance.UserZooming, handler

public event UserZoomingEventHandler UserZooming

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

Property	Description
NewZoomFactor	Gets or sets the new zoom factor of the spread.
OldZoomFactor	Gets the old zoom factor of the spread.

This event is raised by the OnUserZooming method when the user zooms.

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

This example returns the old and new zoom factors.

C#

fpSpread1.AllowUserZoom =true; 

private void fpSpread1_UserZooming(object sender, FarPoint.Win.Spread.ZoomEventArgs e)
{
   listBox1.Items.Add(e.NewZoomFactor);
   listBox1.Items.Add(e.OldZoomFactor);
}

Visual Basic

FpSpread1.AllowUserZoom = True 

Private Sub FpSpread1_UserZooming(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.ZoomEventArgs) Handles FpSpread1.UserZooming
   ListBox1.Items.Add(e.NewZoomFactor)
   ListBox1.Items.Add(e.OldZoomFactor)
End Sub

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows Server 2012 R2, Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10

Reference

FpSpread Class
FpSpread Members
ZoomEventArgs Class

User-Task Documentation

Allowing the User to Zoom