ToolTip.Closed 活動
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
當 a ToolTip 關閉且不再可見時,會發生這種情況。
public:
event System::Windows::RoutedEventHandler ^ Closed;
public event System.Windows.RoutedEventHandler Closed;
member this.Closed : System.Windows.RoutedEventHandler
Public Custom Event Closed As RoutedEventHandler
事件類型
範例
以下範例說明如何設定 和 Opened 事件的事件處理程序Closed。
tooltip.Opened +=
new RoutedEventHandler(whenToolTipOpens);
tooltip.Closed +=
new RoutedEventHandler(whenToolTipCloses);
AddHandler tooltip.Opened, AddressOf whenToolTipOpens
AddHandler tooltip.Closed, AddressOf whenToolTipCloses
void whenToolTipOpens(object sender, RoutedEventArgs e)
{
Ellipse ell = new Ellipse();
if (sender.GetType().FullName.Equals("System.Windows.Shapes.Ellipse"))
{
ell = (Ellipse)sender;
ell.Fill = Brushes.Blue;
}
else if (sender.GetType().FullName.Equals(
"System.Windows.Controls.ToolTip"))
{
ToolTip t = (ToolTip)sender;
Popup p = (Popup)t.Parent;
ell = (Ellipse)p.PlacementTarget;
ell.Fill = Brushes.Blue;
}
}
void whenToolTipCloses(object sender, RoutedEventArgs e)
{
Ellipse ell = new Ellipse();
if (sender.GetType().FullName.Equals(
"System.Windows.Shapes.Ellipse"))
{
ell = (Ellipse)sender;
ell.Fill = Brushes.Gray;
}
else if (sender.GetType().FullName.Equals(
"System.Windows.Controls.ToolTip"))
{
ToolTip t = (ToolTip)sender;
Popup p = (Popup)t.Parent;
ell = (Ellipse)p.PlacementTarget;
ell.Fill = Brushes.Gray;
}
}
Private Sub whenToolTipOpens(ByVal sender As Object, ByVal e As RoutedEventArgs)
Dim ell As New Ellipse()
If sender.GetType().FullName.Equals("System.Windows.Shapes.Ellipse") Then
ell = CType(sender, Ellipse)
ell.Fill = Brushes.Blue
ElseIf sender.GetType().FullName.Equals("System.Windows.Controls.ToolTip") Then
Dim t As ToolTip = CType(sender, ToolTip)
Dim p As Popup = CType(t.Parent, Popup)
ell = CType(p.PlacementTarget, Ellipse)
ell.Fill = Brushes.Blue
End If
End Sub
Private Sub whenToolTipCloses(ByVal sender As Object, ByVal e As RoutedEventArgs)
Dim ell As New Ellipse()
If sender.GetType().FullName.Equals("System.Windows.Shapes.Ellipse") Then
ell = CType(sender, Ellipse)
ell.Fill = Brushes.Gray
ElseIf sender.GetType().FullName.Equals("System.Windows.Controls.ToolTip") Then
Dim t As ToolTip = CType(sender, ToolTip)
Dim p As Popup = CType(t.Parent, Popup)
ell = CType(p.PlacementTarget, Ellipse)
ell.Fill = Brushes.Gray
End If
End Sub
備註
當控制關閉時FrameworkElement.ToolTipClosing,事件ToolTip也會被觸發。
路由事件資訊
| Item | 價值觀 |
|---|---|
| 識別碼欄位 | ClosedEvent |
| 路由策略 | 氣泡 |
| 代理人 | RoutedEventHandler |