StatusBarPanelStyle Enum

Referensi

Definisi

Ruang nama:: System.Windows.Forms

Rakitan:: System.Windows.Forms.dll

Penting

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Menentukan apakah StatusBarPanel objek pada StatusBar kontrol digambar pemilik atau digambar sistem.

public enum class StatusBarPanelStyle

public enum StatusBarPanelStyle

type StatusBarPanelStyle =

Public Enum StatusBarPanelStyle

Warisan: Object

ValueType

Enum
StatusBarPanelStyle

Bidang

OwnerDraw	2	Digambar StatusBarPanel oleh pemiliknya.
Text	1	menampilkan StatusBarPanel teks dalam font standar.

Contoh

Contoh kode berikut menunjukkan cara menggunakan Style properti, StatusBarDrawItemEventHandler delegasi, StatusBarDrawItemEventArgs kelas, enumerasi, StatusBarPanelStyle dan StatusBarDrawItemEventArgs.Panel properti . Untuk menjalankan contoh, tempelkan kode berikut dalam formulir. InitializeStatusBarPanels Panggil metode dalam konstruktor formulir atau Load metode penanganan peristiwa.

StatusBar^ StatusBar1;
void InitializeStatusBarPanels()
{
   StatusBar1 = gcnew StatusBar;
   
   // Create two StatusBarPanel objects.
   StatusBarPanel^ panel1 = gcnew StatusBarPanel;
   StatusBarPanel^ panel2 = gcnew StatusBarPanel;
   
   // Set the style of the panels.  
   // panel1 will be owner-drawn.
   panel1->Style = StatusBarPanelStyle::OwnerDraw;
   
   // The panel2 object will be drawn by the operating system.
   panel2->Style = StatusBarPanelStyle::Text;
   
   // Set the text of both panels to the same date string.
   panel1->Text = System::DateTime::Today.ToShortDateString();
   panel2->Text = System::DateTime::Today.ToShortDateString();
   
   // Add both panels to the StatusBar.
   StatusBar1->Panels->Add( panel1 );
   StatusBar1->Panels->Add( panel2 );
   
   // Make panels visible by setting the ShowPanels 
   // property to True.
   StatusBar1->ShowPanels = true;
   
   // Associate the event-handling method with the DrawItem event 
   // for the owner-drawn panel.
   StatusBar1->DrawItem += gcnew StatusBarDrawItemEventHandler( this, &Form1::DrawCustomStatusBarPanel );
   this->Controls->Add( StatusBar1 );
}


// Draw the panel.
void DrawCustomStatusBarPanel( Object^ sender, StatusBarDrawItemEventArgs^ e )
{
   
   // Draw a blue background in the owner-drawn panel.
   e->Graphics->FillRectangle( Brushes::AliceBlue, e->Bounds );
   
   // Create a StringFormat object to align text in the panel.
   StringFormat^ textFormat = gcnew StringFormat;
   
   // Center the text in the middle of the line.
   textFormat->LineAlignment = StringAlignment::Center;
   
   // Align the text to the left.
   textFormat->Alignment = StringAlignment::Far;
   
   // Draw the panel's text in dark blue using the Panel 
   // and Bounds properties of the StatusBarEventArgs object 
   // and the StringFormat object.
   e->Graphics->DrawString( e->Panel->Text, StatusBar1->Font, Brushes::DarkBlue, RectangleF(e->Bounds.X,e->Bounds.Y,e->Bounds.Width,e->Bounds.Height), textFormat );
}

private StatusBar StatusBar1;

private void InitializeStatusBarPanels()
{
    StatusBar1 = new StatusBar();

    // Create two StatusBarPanel objects.
    StatusBarPanel panel1 = new StatusBarPanel();
    StatusBarPanel panel2 = new StatusBarPanel();

    // Set the style of the panels.  
    // panel1 will be owner-drawn.
    panel1.Style = StatusBarPanelStyle.OwnerDraw;

    // The panel2 object will be drawn by the operating system.
    panel2.Style = StatusBarPanelStyle.Text;

    // Set the text of both panels to the same date string.
    panel1.Text = System.DateTime.Today.ToShortDateString();
    panel2.Text = System.DateTime.Today.ToShortDateString();

    // Add both panels to the StatusBar.
    StatusBar1.Panels.Add(panel1);
    StatusBar1.Panels.Add(panel2);

    // Make panels visible by setting the ShowPanels 
    // property to True.
    StatusBar1.ShowPanels = true;

    // Associate the event-handling method with the DrawItem event 
    // for the owner-drawn panel.
    StatusBar1.DrawItem += 
        new StatusBarDrawItemEventHandler(DrawCustomStatusBarPanel);
        
    this.Controls.Add(StatusBar1);
}

// Draw the panel.
private void DrawCustomStatusBarPanel(object sender, 
    StatusBarDrawItemEventArgs e)
{

    // Draw a blue background in the owner-drawn panel.
    e.Graphics.FillRectangle(Brushes.AliceBlue, e.Bounds);

    // Create a StringFormat object to align text in the panel.
    StringFormat textFormat = new StringFormat();

    // Center the text in the middle of the line.
    textFormat.LineAlignment = StringAlignment.Center;

    // Align the text to the left.
    textFormat.Alignment = StringAlignment.Far;

    // Draw the panel's text in dark blue using the Panel 
    // and Bounds properties of the StatusBarEventArgs object 
    // and the StringFormat object.
    e.Graphics.DrawString(e.Panel.Text, StatusBar1.Font, 
        Brushes.DarkBlue, new RectangleF(e.Bounds.X, 
        e.Bounds.Y, e.Bounds.Width, e.Bounds.Height), textFormat);
}

Private StatusBar1 As StatusBar

Private Sub InitializeStatusBarPanels()
    StatusBar1 = New StatusBar

    ' Create two StatusBarPanel objects.
    Dim panel1 As New StatusBarPanel
    Dim panel2 As New StatusBarPanel

    ' Set the style of the panels.  
    ' panel1 will be owner-drawn.
    panel1.Style = StatusBarPanelStyle.OwnerDraw

    ' The panel2 object will be drawn by the operating system.
    panel2.Style = StatusBarPanelStyle.Text

    ' Set the text of both panels to the same date string.
    panel1.Text = DateTime.Today.ToShortDateString()
    panel2.Text = DateTime.Today.ToShortDateString()

    ' Add both panels to the StatusBar.
    StatusBar1.Panels.Add(panel1)
    StatusBar1.Panels.Add(panel2)

    ' Make panels visible by setting the ShowPanels 
    ' property to True.
    StatusBar1.ShowPanels = True

    ' Use the AddHandler syntax to handle the DrawItem event
    ' for the owner-drawn panel.
    AddHandler StatusBar1.DrawItem, _
        New StatusBarDrawItemEventHandler( _
        AddressOf DrawCustomStatusBarPanel)
    Me.Controls.Add(StatusBar1)
End Sub

' Draw the panel.
Private Sub DrawCustomStatusBarPanel(ByVal sender As Object, _
    ByVal e As StatusBarDrawItemEventArgs)

    ' Draw a blue background in the owner-drawn panel.
    e.Graphics.FillRectangle(Brushes.AliceBlue, e.Bounds)

    ' Create a StringFormat object to align text in the panel.
    Dim textFormat As New StringFormat

    ' Center the text in the middle of the line.
    textFormat.LineAlignment = StringAlignment.Center

    ' Align the text to the left.
    textFormat.Alignment = StringAlignment.Far

    ' Draw the panel's text in dark blue using the Panel 
    ' and Bounds properties of the StatusBarEventArgs object 
    ' and the StringFormat object.
    e.Graphics.DrawString(e.Panel.Text, StatusBar1.Font, _
          Brushes.DarkBlue, New RectangleF(e.Bounds.X, e.Bounds.Y, _
          e.Bounds.Width, e.Bounds.Height), textFormat)

End Sub

Keterangan

Gunakan anggota enumerasi ini untuk mengatur nilai Style properti StatusBarPanel kelas . Properti Gaya menentukan cara StatusBarPanel tampilan akan ditampilkan. StatusBarPanel objek dapat menampilkan teks sederhana atau digambar pemilik. Objek yang digambar StatusBarPanel pemilik mendukung menampilkan gambar atau font yang berbeda dari objek lainnya StatusBarPanel pada StatusBar kontrol, sementara objek yang digambar StatusBarPanel sistem digunakan untuk hanya menampilkan teks (atau teks dan ikon jika ikon ditentukan dalam Icon properti StatusBarPanel). Untuk melakukan operasi gambar pemilik pada pemilik yang digambar StatusBarPanel, gunakan DrawItem peristiwa StatusBar kontrol.

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