/// <summary>
/// Handles mouse wheel events.
/// </summary>
/// <param name="view">The plot view.</param>
/// <param name="args">The <see cref="OxyMouseWheelEventArgs" /> instance containing the event data.</param>
/// <returns><c>true</c> if the event was handled.</returns>
public virtual bool HandleMouseWheel(IView view, OxyMouseWheelEventArgs args)
{
lock (this.GetSyncRoot(view))
{
var command = this.GetCommand(new OxyMouseWheelGesture(args.ModifierKeys));
return(this.HandleCommand(command, view, args));
}
}
/// <summary>
/// Zooms the view by the mouse wheel delta in the specified <see cref="OxyKeyEventArgs" />.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="args">The <see cref="OxyMouseWheelEventArgs" /> instance containing the event data.</param>
/// <param name="factor">The zoom speed factor. Default value is 1.</param>
private static void HandleZoomByWheel(IPlotView view, OxyMouseWheelEventArgs args, double factor = 1)
{
var m = new ZoomStepManipulator(view)
{
Step = args.Delta * 0.001 * factor, FineControl = args.IsControlDown
};
m.Started(args);
}
/// <summary>
/// Handles mouse wheel events.
/// </summary>
/// <param name="view">The plot view.</param>
/// <param name="args">The <see cref="OxyMouseWheelEventArgs" /> instance containing the event data.</param>
/// <returns><c>true</c> if the event was handled.</returns>
public virtual bool HandleMouseWheel(IView view, OxyMouseWheelEventArgs args)
{
lock (this.GetSyncRoot(view))
{
var command = this.GetCommand(new OxyMouseWheelGesture(args.ModifierKeys));
return this.HandleCommand(command, view, args);
}
}
/// <summary>
/// Zooms the view by the mouse wheel delta in the specified <see cref="OxyKeyEventArgs" />.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="args">The <see cref="OxyMouseWheelEventArgs" /> instance containing the event data.</param>
/// <param name="factor">The zoom speed factor. Default value is 1.</param>
private static void HandleZoomByWheel(IPlotView view, OxyMouseWheelEventArgs args, double factor = 1)
{
var m = new ZoomStepManipulator(view) { Step = args.Delta * 0.001 * factor, FineControl = args.IsControlDown };
m.Started(args);
}
