ComponentOne Chart for WPF and Silverlight
AnnoCreated Event
Example 


C1.WPF.C1Chart Namespace > Axis Class : AnnoCreated Event
Fires when annotation label was created.
Syntax
'Declaration
 
Public Event AnnoCreated As AnnoCreatedEventHandler
'Usage
 
Dim instance As Axis
Dim handler As AnnoCreatedEventHandler
 
AddHandler instance.AnnoCreated, handler
public event AnnoCreatedEventHandler AnnoCreated
Event Data

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

PropertyDescription
(Inherited from System.ComponentModel.CancelEventArgs)
Gets the axis canvas.  
Gets the index of annotation label.  
Gets or sets the label element.  
Gets the axis value that corresponds to the annotation label.  
Remarks
In the event handler it's possible to customize appearance of the label created by default.
Example
The following code sets color of labels depending on its values.
chart.View.AxisY.AnnoCreated += (s, e) =>
  {
    var label = (TextBlock)e.Label;
    if (e.Value >= 0)
      label.Foreground = Brushes.Red;
    else
      label.Foreground = Brushes.Blue;
  };
See Also