ListViewItem.ListViewSubItem.ResetStyle 方法

重置子项所应用的样式。

**命名空间:**System.Windows.Forms
**程序集:**System.Windows.Forms（在 system.windows.forms.dll 中）

语法

声明
Public Sub ResetStyle
用法
Dim instance As ListViewSubItem

instance.ResetStyle

public void ResetStyle ()

public:
void ResetStyle ()

public void ResetStyle ()

public function ResetStyle ()

备注

您可以使用该方法来重置应用于子项的字体、背景色和前景色设置。重置样式时，子项的显示会使用默认的字体、背景色和前景色设置。

示例

下面的代码示例演示如何通过使用 ListView.TopItem 属性和 ResetStyle 方法重置 ListViewItem 的子项的样式。若要运行该示例，请将下面的代码粘贴到包含名为 Button1 的按钮的窗体中，然后在该窗体的构造函数或 Load 事件处理方法中调用 InitializeListView 方法。

' 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

// 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();
}

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.
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.set_Location(new System.Drawing.Point(20, 20));
    myListView.set_Width(250);
    // The View property must be set to Details for the 
    // subitems to be visible.
    myListView.set_View(View.Details);
    // Each SubItem object requires a column, so add three columns.
    this.myListView.get_Columns().Add("Key", 50, HorizontalAlignment.Left);
    this.myListView.get_Columns().Add("A", 100, HorizontalAlignment.Left);
    this.myListView.get_Columns().Add("B", 100, HorizontalAlignment.Left);
    // Add a ListItem object to the ListView.
    ListViewItem entryListItem = myListView.get_Items().Add("Items");
    // Set UseItemStyleForSubItems property to false to change 
    // look of subitems.
    entryListItem.set_UseItemStyleForSubItems(false);
    // Add the expense subitem.
    ListViewItem.ListViewSubItem expenseItem =
        entryListItem.get_SubItems().Add("Expense");
    // Change the expenseItem object's color and font.
    expenseItem.set_ForeColor(System.Drawing.Color.get_Red());
    expenseItem.set_Font(new System.Drawing.Font("Arial", 10,
        System.Drawing.FontStyle.Italic));
    // Add a subitem called revenueItem 
    ListViewItem.ListViewSubItem revenueItem =
        entryListItem.get_SubItems().Add("Revenue");
    // Change the revenueItem object's color and font.
    revenueItem.set_ForeColor(System.Drawing.Color.get_Blue());
    revenueItem.set_Font(new System.Drawing.Font("Times New Roman", 10,
        System.Drawing.FontStyle.Bold));
    // Add the ListView to the form.
    this.get_Controls().Add(this.myListView);
} //InitializeListView

private void button1_Click(Object sender, System.EventArgs e)
{
    // Use the ListView.TopItem property to access the SubItems
    // and then reset their appearance.
    myListView.get_TopItem().get_SubItems().get_Item(1).ResetStyle();
    myListView.get_TopItem().get_SubItems().get_Item(2).ResetStyle();
} //button1_Click

平台

Windows 98、Windows 2000 SP4、Windows CE、Windows Millennium Edition、Windows Mobile for Pocket PC、Windows Mobile for Smartphone、Windows Server 2003、Windows XP Media Center Edition、Windows XP Professional x64 Edition、Windows XP SP2、Windows XP Starter Edition

.NET Framework 并不是对每个平台的所有版本都提供支持。有关受支持版本的列表，请参见系统要求。

版本信息

.NET Framework

受以下版本支持：2.0、1.1、1.0

请参见

参考

ListViewItem.ListViewSubItem 类
ListViewItem.ListViewSubItem 成员
System.Windows.Forms 命名空间
Font
ForeColor
BackColor