Spread Windows Forms 13.0 Product Documentation
FarPoint.Win.Spread Assembly / FarPoint.Win.Spread Namespace / FpSpread Class / LeftChange Event
Example


In This Topic
    LeftChange Event
    In This Topic
    Occurs when the left column changes.
    Syntax
    'Declaration
     
    Public Event LeftChange As LeftChangeEventHandler
    'Usage
     
    Dim instance As FpSpread
    Dim handler As LeftChangeEventHandler
     
    AddHandler instance.LeftChange, handler
    public event LeftChangeEventHandler LeftChange
    Event Data

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

    PropertyDescription
    Gets the index of the viewport column in which the change occurred.  
    Gets the index of the new left column.  
    Gets the index of the previous left column.  
    Remarks

    This event is raised by the OnLeftChange method when a different column becomes the new leftmost column.

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

    Example
    This example raises the LeftChange event when the leftmost column changes.
    fpSpread1.AddViewport(0, 0);
    fpSpread1.ShowColumn(0, 5, FarPoint.Win.Spread.HorizontalPosition.Left);
    
    private void fpSpread1_LeftChange(object sender, FarPoint.Win.Spread.LeftChangeEventArgs e)
    {
         ListBox1.Items.Add("LeftChange event fired!");
    }
    FpSpread1.AddViewport(0, 0)
    FpSpread1.ShowColumn(0, 5, FarPoint.Win.Spread.HorizontalPosition.Left)
    
    Private Sub FpSpread1_LeftChange(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.LeftChangeEventArgs) Handles FpSpread1.LeftChange
         ListBox1.Items.Add("LeftChange event fired!")
    End Sub
    
    See Also