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 End-User Documentation

RepositoryItemRatingControl.BeforeShowToolTip Event

Occurs when an end-user hovers over a rating item and allows you to display a unique hint for this item.

Namespace:DevExpress.XtraEditors.Repository
Assembly:DevExpress.XtraEditors.v17.2.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type DevExpress.XtraEditors.Repository.RatingToolTipEventArgs containing data related to this event.

Expanded Remarks

The rating control's BaseControl.ToolTip property sets a hint, displayed on hovering over any rating item of this control. However, if you need to display different hints for different rating items, leave this property without any value and handle the BeforeShowToolTip event instead. You can access three parameters from the event arguments:

  • e.Value - the value that the rating control will have (see the RatingControl.Rating property) if an end-user clicks the currently hovered rating item at the exact same point;
  • e.Text - the tooltip text;
  • e.HitTest - the hit test for the hovered point.
Important

The BeforeShowToolTip event is not fired if the BaseControl.ToolTip property is set to a specific value.

The code below illustrates how to set unique hints for the rating control with standard 5-grade marks.
The result is shown in the animation below.

Expanded See Also

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