FrameworkContentElement.ToolTipOpening Event
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Occurs when any tooltip on the element is opened.
public:
event System::Windows::Controls::ToolTipEventHandler ^ ToolTipOpening;
public event System.Windows.Controls.ToolTipEventHandler ToolTipOpening;
member this.ToolTipOpening : System.Windows.Controls.ToolTipEventHandler
Public Custom Event ToolTipOpening As ToolTipEventHandler
Event Type
Remarks
To manually open tooltips, handlers of the events should mark the relevant event as handled. Otherwise, the value of the ToolTip property will be used to automatically open a context menu. Marking the event handled will effectively cancel the default action, and could be an opportunity to reset the value of the ToolTip property and then open the new ContextMenu. Note that this event will not be raised if ToolTip is a null reference or otherwise unset.
This event cannot be an EventTrigger in a style. This is because the identifier field of this event re-uses an implementation from a service that does not expose add/remove methods on the event.
Routed Event Information
Identifier field | ToolTipOpeningEvent |
Routing strategy | Direct |
Delegate | ToolTipEventHandler |
Applies to
.NET
フィードバック
https://aka.ms/ContentUserFeedback」を参照してください。
以下は間もなく提供いたします。2024 年を通じて、コンテンツのフィードバック メカニズムとして GitHub の issue を段階的に廃止し、新しいフィードバック システムに置き換えます。 詳細については、「フィードバックの送信と表示