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ListViewItem.ListViewSubItem.ResetStyle Método

  • Referência

Definição

Namespace:
System.Windows.Forms
Assembly:
System.Windows.Forms.dll
Origem:
ListViewItem.ListViewSubItem.cs
Origem:
ListViewItem.ListViewSubItem.cs
Origem:
ListViewItem.ListViewSubItem.cs

Redefine os estilos aplicados ao subitem para as cores e a fonte padrão.

public:
 void ResetStyle();
public void ResetStyle ();
member this.ResetStyle : unit -> unit
Public Sub ResetStyle ()

Exemplos

O exemplo de código a seguir demonstra como redefinir o estilo dos subitens de um ListViewItem por meio do uso da ListView.TopItem propriedade e do ResetStyle método . Para executar o exemplo, cole o código a seguir em um formulário que contém um botão chamado Button1e chame o InitializeListView método no construtor do formulário ou Load no método de tratamento de eventos.

internal:
   // Declare the Listview object.
   System::Windows::Forms::ListView^ myListView;

private:

   // Initialize the ListView object with subitems of a different
   // style than the default styles for the ListView.
   void InitializeListView()
   {
      // Set the Location, View and Width properties for the 
      // ListView object. 
      myListView = gcnew ListView;
      myListView->Location = System::Drawing::Point( 20, 20 );
      myListView->Width = 250;
      
      // The View property must be set to Details for the 
      // subitems to be visible.
      myListView->View = View::Details;
      
      // Each SubItem object requires a column, so add three columns.
      this->myListView->Columns->Add( "Key", 50, HorizontalAlignment::Left );
      this->myListView->Columns->Add( "A", 100, HorizontalAlignment::Left );
      this->myListView->Columns->Add( "B", 100, HorizontalAlignment::Left );
      
      // Add a ListItem object to the ListView.
      ListViewItem^ entryListItem = myListView->Items->Add( "Items" );
      
      // Set UseItemStyleForSubItems property to false to change 
      // look of subitems.
      entryListItem->UseItemStyleForSubItems = false;
      
      // Add the expense subitem.
      ListViewItem::ListViewSubItem ^ expenseItem = entryListItem->SubItems->Add( "Expense" );
      
      // Change the expenseItem object's color and font.
      expenseItem->ForeColor = System::Drawing::Color::Red;
      expenseItem->Font = gcnew System::Drawing::Font( "Arial",10,System::Drawing::FontStyle::Italic );
      
      // Add a subitem called revenueItem 
      ListViewItem::ListViewSubItem ^ revenueItem = entryListItem->SubItems->Add( "Revenue" );
      
      // Change the revenueItem object's color and font.
      revenueItem->ForeColor = System::Drawing::Color::Blue;
      revenueItem->Font = gcnew System::Drawing::Font( "Times New Roman",10,System::Drawing::FontStyle::Bold );
      
      // Add the ListView to the form.
      this->Controls->Add( this->myListView );
   }

   void Button1_Click( System::Object^ /*sender*/, System::EventArgs^ /*e*/ )
   {
      // Use the ListView.TopItem property to access the SubItems
      // and then reset their appearance.
      myListView->TopItem->SubItems[ 1 ]->ResetStyle();
      myListView->TopItem->SubItems[ 2 ]->ResetStyle();
   }


// Declare the Listview object.
internal System.Windows.Forms.ListView myListView;

// Initialize the ListView object with subitems of a different
// style than the default styles for the ListView.
private void InitializeListView()
{

    // Set the Location, View and Width properties for the 
    // ListView object. 
    myListView = new ListView();
    myListView.Location = new System.Drawing.Point(20, 20);
    myListView.Width = 250;

    // The View property must be set to Details for the 
    // subitems to be visible.
    myListView.View = View.Details;
    
    // Each SubItem object requires a column, so add three columns.
    this.myListView.Columns.Add("Key", 50, HorizontalAlignment.Left);
    this.myListView.Columns.Add("A", 100, HorizontalAlignment.Left);
    this.myListView.Columns.Add("B", 100, HorizontalAlignment.Left);

    // Add a ListItem object to the ListView.
    ListViewItem entryListItem = myListView.Items.Add("Items");

    // Set UseItemStyleForSubItems property to false to change 
    // look of subitems.
    entryListItem.UseItemStyleForSubItems = false;

    // Add the expense subitem.
    ListViewItem.ListViewSubItem expenseItem = 
        entryListItem.SubItems.Add("Expense");

    // Change the expenseItem object's color and font.
    expenseItem.ForeColor = System.Drawing.Color.Red;
    expenseItem.Font = new System.Drawing.Font(
        "Arial", 10, System.Drawing.FontStyle.Italic);

    // Add a subitem called revenueItem 
    ListViewItem.ListViewSubItem revenueItem = 
        entryListItem.SubItems.Add("Revenue");

    // Change the revenueItem object's color and font.
    revenueItem.ForeColor = System.Drawing.Color.Blue;
    revenueItem.Font = new System.Drawing.Font(
        "Times New Roman", 10, System.Drawing.FontStyle.Bold);

    // Add the ListView to the form.
    this.Controls.Add(this.myListView);
}

private void Button1_Click(System.Object sender, System.EventArgs e)
{

    // Use the ListView.TopItem property to access the SubItems
    // and then reset their appearance.
    myListView.TopItem.SubItems[1].ResetStyle();
    myListView.TopItem.SubItems[2].ResetStyle();
}


' Declare the Listview object.
Friend WithEvents myListView As System.Windows.Forms.ListView

' Initialize the ListView object with subitems of a different
' style than the default styles for the ListView.
Private Sub InitializeListView()

    ' Set the Location, View and Width properties for the 
    ' ListView object. 
    myListView = New ListView
    With (myListView)
        .Location = New System.Drawing.Point(20, 20)

        ' The View property must be set to Details for the 
        ' subitems to be visible.
        .View = View.Details
        .Width = 250
    End With

    ' Each SubItem object requires a column, so add three columns.
    Me.myListView.Columns.Add("Key", 50, HorizontalAlignment.Left)
    Me.myListView.Columns.Add("A", 100, HorizontalAlignment.Left)
    Me.myListView.Columns.Add("B", 100, HorizontalAlignment.Left)

    ' Add a ListItem object to the ListView.
    Dim entryListItem As ListViewItem = myListView.Items.Add("Items")

    ' Set UseItemStyleForSubItems property to false to change 
    ' look of subitems.
    entryListItem.UseItemStyleForSubItems = False

    ' Add the expense subitem.
    Dim expenseItem As ListViewItem.ListViewSubItem = _
        entryListItem.SubItems.Add("Expense")

    ' Change the expenseItem object's color and font.
    expenseItem.ForeColor = System.Drawing.Color.Red
    expenseItem.Font = New System.Drawing.Font _
        ("Arial", 10, System.Drawing.FontStyle.Italic)

    ' Add a subitem called revenueItem 
    Dim revenueItem As ListViewItem.ListViewSubItem = _
        entryListItem.SubItems.Add("Revenue")

    ' Change the revenueItem object's color and font.
    revenueItem.ForeColor = System.Drawing.Color.Blue
    revenueItem.Font = New System.Drawing.Font _
        ("Times New Roman", 10, System.Drawing.FontStyle.Bold)

    ' Add the ListView to the form.
    Me.Controls.Add(Me.myListView)
End Sub

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

    ' Use the ListView.TopItem property to access the SubItems
    ' and then reset their appearance.
    myListView.TopItem.SubItems(1).ResetStyle()
    myListView.TopItem.SubItems(2).ResetStyle()
End Sub

Comentários

Você pode usar esse método para redefinir a fonte, a cor da tela de fundo e as configurações de cor de primeiro plano aplicadas ao subitem. Quando os estilos são redefinidos, o subitem é exibido usando a fonte padrão, a cor da tela de fundo e as configurações de cor de primeiro plano.

Aplica-se a

Confira também