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


Glossary Item Box

Occurs when the user zooms.

Syntax

Visual Basic (Declaration) 
Public Event UserZooming As UserZoomingEventHandler
Visual Basic (Usage)Copy Code
Dim instance As FpSpread
Dim handler As UserZoomingEventHandler
 
AddHandler instance.UserZooming, handler
C# 
public event UserZoomingEventHandler UserZooming

Event Data

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.

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

Remarks

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

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

Example

This example returns the old and new zoom factors.
C#Copy Code
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 BasicCopy Code
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

Requirements

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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