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StatusBar.PanelClick Kejadian

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Definisi

Ruang nama:
System.Windows.Forms
Rakitan:
System.Windows.Forms.dll

Terjadi ketika StatusBarPanel objek pada kontrol diklik StatusBar .

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

Jenis Acara

StatusBarPanelClickEventHandler

Contoh

Contoh kode berikut menunjukkan cara menggunakan SizingGripanggota , , StatusBarPanel.AlignmentStatusBarPanel.Width, StatusBarPanel.AutoSize, dan StatusBarPanel.BorderStyle dan cara menangani PanelClick peristiwa.

Untuk menjalankan contoh, tempelkan kode berikut dalam formulir. InitializeStatusBarPanels Panggil metode dalam konstruktor atau Load metode formulir.

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

Keterangan

Anda dapat menggunakan kejadian ini untuk melakukan tugas ketika panel dalam StatusBar kontrol diklik. Data yang disediakan untuk peristiwa melalui StatusBarPanelClickEventArgs yang diteruskan sebagai parameter ke penanganan aktivitas memungkinkan Anda menentukan StatusBarPanel yang diklik oleh pengguna untuk melakukan tugas pada panel yang dipilih.

Untuk informasi selengkapnya tentang menangani peristiwa, lihat Menangani dan Menaikkan Peristiwa.

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