StatusBar.PanelClick Ereignis
Definition
Wichtig
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Tritt ein, wenn in einem StatusBarPanel-Steuerelement auf ein StatusBar-Objekt geklickt wird.
public:
event System::Windows::Forms::StatusBarPanelClickEventHandler ^ PanelClick;
public event System.Windows.Forms.StatusBarPanelClickEventHandler PanelClick;
member this.PanelClick : System.Windows.Forms.StatusBarPanelClickEventHandler
Public Custom Event PanelClick As StatusBarPanelClickEventHandler
Ereignistyp
Beispiele
Im folgenden Codebeispiel wird veranschaulicht, wie die SizingGripMember , StatusBarPanel.Alignment, StatusBarPanel.AutoSizeStatusBarPanel.Width, und StatusBarPanel.BorderStyle verwendet und wie das PanelClick Ereignis behandelt wird.
Fügen Sie zum Ausführen des Beispiels den folgenden Code in ein Formular ein. Rufen Sie die InitializeStatusBarPanels
-Methode im Konstruktor oder Load
der Methode des Formulars auf.
internal:
System::Windows::Forms::StatusBar^ statusBar1;
private:
void InitializeStatusBarPanels()
{
// Create a StatusBar control.
statusBar1 = gcnew StatusBar;
// Dock the status bar at the top of the form.
statusBar1->Dock = DockStyle::Top;
// Set the SizingGrip property to false so the user cannot
// resize the status bar.
statusBar1->SizingGrip = false;
// Associate the event-handling method with the
// PanelClick event.
statusBar1->PanelClick += gcnew StatusBarPanelClickEventHandler( this, &Form1::statusBar1_PanelClick );
// Create two StatusBarPanel objects to display in statusBar1.
StatusBarPanel^ panel1 = gcnew StatusBarPanel;
StatusBarPanel^ panel2 = gcnew StatusBarPanel;
// Set the width of panel2 explicitly and set
// panel1 to fill in the remaining space.
panel2->Width = 80;
panel1->AutoSize = StatusBarPanelAutoSize::Spring;
// Set the text alignment within each panel.
panel1->Alignment = HorizontalAlignment::Left;
panel2->Alignment = HorizontalAlignment::Right;
// Display the first panel without a border and the second
// with a raised border.
panel1->BorderStyle = StatusBarPanelBorderStyle::None;
panel2->BorderStyle = StatusBarPanelBorderStyle::Raised;
// Set the text of the panels. The panel1 object is reserved
// for line numbers, while panel2 is set to the current time.
panel1->Text = "Reserved for important information.";
panel2->Text = System::DateTime::Now.ToShortTimeString();
// Set a tooltip for panel2
panel2->ToolTipText = "Click time to display seconds";
// Display panels in statusBar1 and add them to the
// status bar's StatusBarPanelCollection.
statusBar1->ShowPanels = true;
statusBar1->Panels->Add( panel1 );
statusBar1->Panels->Add( panel2 );
// Add the StatusBar to the form.
this->Controls->Add( statusBar1 );
}
// If the user clicks the status bar, check the text of the
// StatusBarPanel. If the text equals a short time string,
// change it to long time display.
void statusBar1_PanelClick( Object^ /*sender*/, StatusBarPanelClickEventArgs^ e )
{
if ( e->StatusBarPanel->Text == System::DateTime::Now.ToShortTimeString() )
{
e->StatusBarPanel->Text = System::DateTime::Now.ToLongTimeString();
}
}
internal System.Windows.Forms.StatusBar statusBar1;
private void InitializeStatusBarPanels()
{
// Create a StatusBar control.
statusBar1 = new StatusBar();
// Dock the status bar at the top of the form.
statusBar1.Dock = DockStyle.Top;
// Set the SizingGrip property to false so the user cannot
// resize the status bar.
statusBar1.SizingGrip = false;
// Associate the event-handling method with the
// PanelClick event.
statusBar1.PanelClick +=
new StatusBarPanelClickEventHandler(statusBar1_PanelClick);
// Create two StatusBarPanel objects to display in statusBar1.
StatusBarPanel panel1 = new StatusBarPanel();
StatusBarPanel panel2 = new StatusBarPanel();
// Set the width of panel2 explicitly and set
// panel1 to fill in the remaining space.
panel2.Width = 80;
panel1.AutoSize = StatusBarPanelAutoSize.Spring;
// Set the text alignment within each panel.
panel1.Alignment = HorizontalAlignment.Left;
panel2.Alignment = HorizontalAlignment.Right;
// Display the first panel without a border and the second
// with a raised border.
panel1.BorderStyle = StatusBarPanelBorderStyle.None;
panel2.BorderStyle = StatusBarPanelBorderStyle.Raised;
// Set the text of the panels. The panel1 object is reserved
// for line numbers, while panel2 is set to the current time.
panel1.Text = "Reserved for important information.";
panel2.Text = System.DateTime.Now.ToShortTimeString();
// Set a tooltip for panel2
panel2.ToolTipText = "Click time to display seconds";
// Display panels in statusBar1 and add them to the
// status bar's StatusBarPanelCollection.
statusBar1.ShowPanels = true;
statusBar1.Panels.Add(panel1);
statusBar1.Panels.Add(panel2);
// Add the StatusBar to the form.
this.Controls.Add(statusBar1);
}
// If the user clicks the status bar, check the text of the
// StatusBarPanel. If the text equals a short time string,
// change it to long time display.
private void statusBar1_PanelClick(object sender,
StatusBarPanelClickEventArgs e)
{
if (e.StatusBarPanel.Text ==
System.DateTime.Now.ToShortTimeString())
{
e.StatusBarPanel.Text =
System.DateTime.Now.ToLongTimeString();
}
}
Friend WithEvents statusBar1 As System.Windows.Forms.StatusBar
Private Sub InitializeStatusBarPanels()
' Create a StatusBar control.
statusBar1 = New StatusBar
' Dock the status bar at the top of the form.
statusBar1.Dock = DockStyle.Top
' Set the SizingGrip property to false so the user cannot
' resize the status bar.
statusBar1.SizingGrip = False
' Create two StatusBarPanel objects to display in statusBar1.
Dim panel1 As New StatusBarPanel
Dim panel2 As New StatusBarPanel
' Set the width of panel2 explicitly and set
' panel1 to fill in the remaining space.
panel2.Width = 80
panel1.AutoSize = StatusBarPanelAutoSize.Spring
' Set the text alignment within each panel.
panel1.Alignment = HorizontalAlignment.Left
panel2.Alignment = HorizontalAlignment.Right
' Display the first panel without a border and the second
' with a raised border.
panel1.BorderStyle = StatusBarPanelBorderStyle.None
panel2.BorderStyle = StatusBarPanelBorderStyle.Raised
' Set the text of the panels. The panel1 object is reserved
' for line numbers, while panel2 is set to the current time.
panel1.Text = "Reserved for important information."
panel2.Text = System.DateTime.Now.ToShortTimeString
' Set a tooltip for panel2
panel2.ToolTipText = "Click time to display seconds"
' Display panels in statusBar1 and add them to the
' status bar's StatusBarPanelCollection.
statusBar1.ShowPanels = True
statusBar1.Panels.Add(panel1)
statusBar1.Panels.Add(panel2)
' Add the StatusBar to the form.
Me.Controls.Add(statusBar1)
End Sub
' If the user clicks the status bar, check the text of the
' StatusBarPanel. If the text equals a short time string,
' change it to long time display.
Private Sub statusBar1_PanelClick(ByVal sender As Object, _
ByVal e As StatusBarPanelClickEventArgs) _
Handles statusBar1.PanelClick
If (e.StatusBarPanel.Text = _
System.DateTime.Now.ToShortTimeString) Then
e.StatusBarPanel.Text = System.DateTime.Now.ToLongTimeString
End If
End Sub
Hinweise
Sie können dieses Ereignis verwenden, um Aufgaben auszuführen, wenn auf einen Bereich innerhalb eines StatusBar Steuerelements geklickt wird. Die Daten, die dem Ereignis über den StatusBarPanelClickEventArgs als Parameter an den Ereignishandler übergeben werden, ermöglichen es Ihnen, die zu bestimmen, auf die StatusBarPanel der Benutzer geklickt hat, um Aufgaben im ausgewählten Bereich auszuführen.
Weitere Informationen zur Behandlung von Ereignissen finden Sie unter behandeln und Auslösen von Ereignissen.