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.v20.2.dll
NuGet Packages: DevExpress.WindowsDesktop.Wpf.Charts, 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 |
Related GitHub Examples
The following code snippet (auto-collected from DevExpress Examples) contains a reference to the AxisScaleChanged event.
Note
The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.