ChartControl.AxisScaleChanged Event
Occurs when the scale mode, aggregate function, auto grid, grid offset, or grid spacing of the axis scale has been changed.
Namespace: DevExpress.Xpf.Charts
Assembly: DevExpress.Xpf.Charts.v23.2.dll
NuGet Package: DevExpress.Wpf.Charts
Declaration
Event Data
The AxisScaleChanged event's data class is AxisScaleChangedEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| AggregateFunctionChange | Returns information about aggregate function changes. |
| AutoGridChange | Returns information about auto grid value changes. |
| Axis | Returns the axis whose scale mode, measure unit, grid alignment or grid spacing has been changed. |
| GridOffsetChange | Returns information about grid offset changes. |
| GridSpacingChange | Returns information about grid spacing changes. |
| Handled | Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route. Inherited from RoutedEventArgs. |
| OriginalSource | Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. Inherited from RoutedEventArgs. |
| RoutedEvent | Gets or sets the RoutedEvent associated with this RoutedEventArgs instance. Inherited from RoutedEventArgs. |
| ScaleModeChange | Returns information about scale mode changes. |
| Source | Gets or sets a reference to the object that raised the event. Inherited from RoutedEventArgs. |
The event data class exposes the following methods:
| Method | Description |
|---|---|
| InvokeEventHandler(Delegate, Object) | When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation. Inherited from RoutedEventArgs. |
| OnSetSource(Object) | When overridden in a derived class, provides a notification callback entry point whenever the value of the Source property of an instance changes. Inherited from RoutedEventArgs. |
Remarks
Note that the event args type depends on the current axis scale type. The following table shows dependencies between scale types and argument types.
| Scale type | Args type |
|---|---|
| Numeric | NumericScaleChangedEventArgs |
| Date-Time | DateTimeScaleChangedEventArgs |
See Also