/// <summary>
/// Zooms the view by the specified factor at the position specified in the <see cref="OxyMouseEventArgs" />.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="args">The <see cref="OxyMouseWheelEventArgs" /> instance containing the event data.</param>
/// <param name="delta">The zoom factor.</param>
private static void HandleZoomAt(IPlotView view, OxyMouseEventArgs args, double delta)
{
var m = new ZoomStepManipulator(view)
{
Step = delta, FineControl = args.IsControlDown
};
m.Started(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>
/// 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>
/// Zooms the view by the specified factor at the position specified in the <see cref="OxyMouseEventArgs" />.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="args">The <see cref="OxyMouseWheelEventArgs" /> instance containing the event data.</param>
/// <param name="delta">The zoom factor.</param>
private static void HandleZoomAt(IPlotView view, OxyMouseEventArgs args, double delta)
{
var m = new ZoomStepManipulator(view) { Step = delta, FineControl = args.IsControlDown };
m.Started(args);
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Control.MouseWheel"/> event.
/// </summary>
/// <param name="e">
/// A <see cref="T:System.Windows.Forms.MouseEventArgs"/> that contains the event data.
/// </param>
protected override void OnMouseWheel(MouseEventArgs e)
{
base.OnMouseWheel(e);
bool isControlDown = ModifierKeys == Keys.Control;
var m = new ZoomStepManipulator(this, e.Delta * 0.001, isControlDown);
m.Started(new ManipulationEventArgs(e.Location.ToScreenPoint()));
}
