PenInputPanel.VisibleChanged 事件
已取代。在 PenInputPanel 物件本身顯示或隱藏時發生。PenInputPanel 已被 Microsoft.Ink.TextInput 取代。
命名空間: Microsoft.Ink
組件: Microsoft.Ink (在 Microsoft.Ink.dll 中)
語法
'宣告
Public Event VisibleChanged As PenInputPanelVisibleChangedEventHandler
'用途
Dim instance As PenInputPanel
Dim handler As PenInputPanelVisibleChangedEventHandler
AddHandler instance.VisibleChanged, handler
public event PenInputPanelVisibleChangedEventHandler VisibleChanged
public:
event PenInputPanelVisibleChangedEventHandler^ VisibleChanged {
void add (PenInputPanelVisibleChangedEventHandler^ value);
void remove (PenInputPanelVisibleChangedEventHandler^ value);
}
/** @event */
public void add_VisibleChanged (PenInputPanelVisibleChangedEventHandler value)
/** @event */
public void remove_VisibleChanged (PenInputPanelVisibleChangedEventHandler value)
JScript 不支援事件。
備註
事件處理常式會收到 PenInputPanelVisibleChangedEventArgs 型別的引數,其中包含這個事件的相關資料。
在下列情況下,會引發 VisibleChanged 事件:
PenInputPanel 物件的停留目標會出現在使用者介面 (UI) 中。
整個 PenInputPanel 物件的 UI 消失。
不過,這個事件不會在停留目標擴充以顯示整個 PenInputPanel 物件的 UI 時引發。
安全性注意事項: |
---|
如果在部分信任的情況下使用,除了 PenInputPanel 所需的權限之外,這個事件還需要 SecurityPermissionFlag.AllFlags (英文) 權限。如需詳細資訊,請參閱Security and Trust。 |
範例
這個 Microsoft® Visual C#® 範例會建立 PenInputPanel 物件 (thePenInputPanel),並且將它附加至 InkEdit 控制項 (theInkEdit)。它會將 VisibleChanged 事件處理常式 VisibleChanged_Event 加入至 PenInputPanel 的表單。在事件處理常式中,如果「畫筆輸入面板」為可見的,則會藉由呼叫 MoveTo 方法,將畫筆輸入面板的位置變更為螢幕座標 100, 100。
[C#]
//...
// Delcare the PenInputPanel object
PenInputPanel thePenInputPanel;
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
// Create and attach the new PenInputPanel to an InkEdit control.
thePenInputPanel = new PenInputPanel(theInkEdit);
// Add a PenInputPanelVisibleChanged event handler
thePenInputPanel.VisibleChanged +=
new PenInputPanelVisibleChangedEventHandler(VisibleChanged_Event);
}
//...
public void VisibleChanged_Event(object sender,
PenInputPanelVisibleChangedEventArgs e)
{
// Make sure the object that generated
// the event is a PenInputPanel object
if (sender is PenInputPanel)
{
PenInputPanel theSenderPanel = (PenInputPanel)sender;
// If the panel has become visible...
if (e.NewVisibility)
{
// Move the pen input panel to
// screen position 100, 100
theSenderPanel.MoveTo(100, 100);
}
}
}
這個 Microsoft Visual Basic® .NET 範例會建立 PenInputPanel 物件 thePenInputPanel,並且將它附加至 InkEdit 控制項 theInkEdit。它會將 VisibleChanged 事件處理常式 VisibleChanged_Event 加入至 PenInputPanel 的表單。在事件處理常式中,如果「畫筆輸入面板」為可見的,則會藉由呼叫 MoveTo 方法,將畫筆輸入面板的位置變更為螢幕座標 100, 100。
[Visual Basic]
'...
' Declare the PenInputPanel object
Dim thePenInputPanel As PenInputPanel
Public Sub New()
MyBase.New()
'This call is required by the Windows Form Designer.
InitializeComponent()
' Create and attach the new PenInputPanel to an InkEdit control.
thePenInputPanel = New PenInputPanel(theInkEdit)
' Add a PenInputPanelVisibleChanged event handler
AddHandler thePenInputPanel.VisibleChanged, _
AddressOf VisibleChanged_Event
End Sub 'New
'...
Public Sub VisibleChanged_Event(sender As Object, e As _
PenInputPanelVisibleChangedEventArgs)
' Make sure the object that generated
' the event is a PenInputPanel object
If TypeOf sender Is PenInputPanel Then
Dim theSenderPanel As PenInputPanel = CType(sender, PenInputPanel)
' If the panel has become visible...
If e.NewVisibility Then
' Move the pen input panel to
' screen position 100, 100
theSenderPanel.MoveTo(100, 100)
End If
End If
End Sub 'VisibleChanged_Event
平台
Windows Vista
.NET Framework 和 .NET Compact Framework 並不支援各種平台的所有版本。如需支援平台版本的相關資訊,請參閱 .NET Framework 系統需求。
版本資訊
.NET Framework
支援版本:3.0