RichTextBlock.ContextMenuOpening 事件

定義

命名空間:

Microsoft.UI.Xaml.Controls

發生於系統處理顯示操作功能表的互動時。

public:
 virtual event ContextMenuOpeningEventHandler ^ ContextMenuOpening;

// Register
event_token ContextMenuOpening(ContextMenuOpeningEventHandler const& handler) const;

// Revoke with event_token
void ContextMenuOpening(event_token const* cookie) const;

// Revoke with event_revoker
RichTextBlock::ContextMenuOpening_revoker ContextMenuOpening(auto_revoke_t, ContextMenuOpeningEventHandler const& handler) const;

public event ContextMenuOpeningEventHandler ContextMenuOpening;

function onContextMenuOpening(eventArgs) { /* Your code */ }
richTextBlock.addEventListener("contextmenuopening", onContextMenuOpening);
richTextBlock.removeEventListener("contextmenuopening", onContextMenuOpening);
- or -
richTextBlock.oncontextmenuopening = onContextMenuOpening;

Public Custom Event ContextMenuOpening As ContextMenuOpeningEventHandler 

<RichTextBlock ContextMenuOpening="eventhandler" />

事件類型

ContextMenuOpeningEventHandler