ControlDesigner.AutoFormats ControlDesigner.AutoFormats ControlDesigner.AutoFormats ControlDesigner.AutoFormats Property

Definition

Ruft die Auflistung der vordefinierten automatischen Formatierungsschemas ab, die zur Entwurfszeit für das zugeordnete Steuerelement im Dialogfeld Automat. Formatierung angezeigt werden sollen.Gets the collection of predefined automatic formatting schemes to display in the Auto Format dialog box for the associated control at design time.

public:
 virtual property System::Web::UI::Design::DesignerAutoFormatCollection ^ AutoFormats { System::Web::UI::Design::DesignerAutoFormatCollection ^ get(); };
public virtual System.Web.UI.Design.DesignerAutoFormatCollection AutoFormats { get; }
member this.AutoFormats : System.Web.UI.Design.DesignerAutoFormatCollection
Public Overridable ReadOnly Property AutoFormats As DesignerAutoFormatCollection

Eigenschaftswert

Ein DesignerAutoFormatCollection-Objekt, das die vordefinierten Schemas für das Steuerelement enthält.A DesignerAutoFormatCollection object that contains the predefined schemes for the control.

Beispiele

Im folgenden Codebeispiel wird veranschaulicht, wie die AutoFormats -Eigenschaft in einem benutzerdefinierten Steuerelement-Designer implementiert wird.The following code example demonstrates how to implement the AutoFormats property in a custom control designer. Der abgeleitete Steuerelement- AutoFormats Designer implementiert die-Eigenschaft, indem er drei Instanzen eines benutzerdefinierten automatischen Formats DesignerAutoFormat hinzufügt, die von der-Klasse abgeleitet werden.The derived control designer implements the AutoFormats property by adding three instances of a custom automatic format that are derived from the DesignerAutoFormat class.

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Web.UI;
using System.Web.UI.Design;
using System.Web.UI.Design.WebControls;
using System.Web.UI.WebControls;

namespace CustomControls.Design.CS
{
    // A custom Label control whose contents can be indented
    [Designer(typeof(IndentLabelDesigner)), 
        ToolboxData("<{0}:IndentLabel Runat=\"server\"></{0}:IndentLabel>")]
    public class IndentLabel : Label
    {
        private int _indent = 0;

        // Property to indent all text within the label
        [Category("Appearance"), DefaultValue(0), 
            PersistenceMode(PersistenceMode.Attribute)]
        public int Indent
        {
            get { return _indent; }
            set
            {
                _indent = value;
                // Get the number of pixels to indent
                int ind = value * 8;

                //  Add the indent style to the control
                if (ind > 0)
                    this.Style.Add(HtmlTextWriterStyle.MarginLeft, ind.ToString() + "px");
                else
                    this.Style.Remove(HtmlTextWriterStyle.MarginLeft);
            }
        }
    }


    // A design-time ControlDesigner for the IndentLabel control
    [SupportsPreviewControl(true)]
    public class IndentLabelDesigner : LabelDesigner
    {
        private DesignerAutoFormatCollection _autoFormats = null;

        // The collection of AutoFormat objects for the IndentLabel object
        public override DesignerAutoFormatCollection AutoFormats
        {
            get
            {
                if (_autoFormats == null)
                {
                    // Create the collection
                    _autoFormats = new DesignerAutoFormatCollection();

                    // Create and add each AutoFormat object
                    _autoFormats.Add(new IndentLabelAutoFormat("MyClassic"));
                    _autoFormats.Add(new IndentLabelAutoFormat("MyBright"));
                    _autoFormats.Add(new IndentLabelAutoFormat("Default"));
                }
                return _autoFormats;
            }
        }

        // An AutoFormat object for the IndentLabel control
        private class IndentLabelAutoFormat : DesignerAutoFormat
        {
            public IndentLabelAutoFormat(string name) : base(name)
            { }

            // Applies styles based on the Name of the AutoFormat
            public override void Apply(Control inLabel)
            {
                if (inLabel is IndentLabel)
                {
                    IndentLabel ctl = (IndentLabel)inLabel;

                    // Apply formatting according to the Name
                    if (this.Name == "MyClassic")
                    {
                        // For MyClassic, apply style elements directly to the control
                        ctl.ForeColor = Color.Gray;
                        ctl.BackColor = Color.LightGray;
                        ctl.Font.Size = FontUnit.XSmall;
                        ctl.Font.Name = "Verdana,Geneva,Sans-Serif";
                    }
                    else if (this.Name == "MyBright")
                    {
                        // For MyBright, apply style elements to the Style property
                        this.Style.ForeColor = Color.Maroon;
                        this.Style.BackColor = Color.Yellow;
                        this.Style.Font.Size = FontUnit.Medium;

                        // Merge the AutoFormat style with the control's style
                        ctl.MergeStyle(this.Style);
                    }
                    else
                    {
                        // For the Default format, apply style elements to the control
                        ctl.ForeColor = Color.Black;
                        ctl.BackColor = Color.Empty;
                        ctl.Font.Size = FontUnit.XSmall;
                    }
                }
            }
        }
    }
}
Imports System.Drawing
Imports System.Collections
Imports System.ComponentModel
Imports System.Web.UI
Imports System.Web.UI.Design
Imports System.Web.UI.Design.WebControls
Imports System.Web.UI.WebControls

Namespace CustomControls.Design

    ' A custom Label control whose contents can be indented
    <Designer(GetType(IndentLabelDesigner)), _
        ToolboxData("<{0}:IndentLabel Runat=""server""></{0}:IndentLabel>")> _
    Public Class IndentLabel
        Inherits System.Web.UI.WebControls.Label

        Dim _indent As Integer = 0

        <Category("Appearance"), DefaultValue(0), _
            PersistenceMode(PersistenceMode.Attribute)> _
        Property Indent() As Integer
            Get
                Return _indent
            End Get
            Set(ByVal Value As Integer)
                _indent = Value

                ' Get the number of pixels to indent
                Dim ind As Integer = _indent * 8

                ' Add the indent style to the control
                If ind > 0 Then
                    Me.Style.Add(HtmlTextWriterStyle.MarginLeft, ind.ToString() & "px")
                Else
                    Me.Style.Remove(HtmlTextWriterStyle.MarginLeft)
                End If
            End Set
        End Property

    End Class

    ' A design-time ControlDesigner for the IndentLabel control
    Public Class IndentLabelDesigner
        Inherits LabelDesigner

        Private _autoFormats As DesignerAutoFormatCollection = Nothing
        ' The collection of AutoFormat objects for the IndentLabel object
        Public Overrides ReadOnly Property AutoFormats() As DesignerAutoFormatCollection
            Get
                If _autoFormats Is Nothing Then
                    ' Create the collection
                    _autoFormats = New DesignerAutoFormatCollection()

                    ' Create and add each AutoFormat object
                    _autoFormats.Add(New IndentLabelAutoFormat("MyClassic"))
                    _autoFormats.Add(New IndentLabelAutoFormat("MyBright"))
                    _autoFormats.Add(New IndentLabelAutoFormat("Default"))
                End If

                Return _autoFormats
            End Get
        End Property

        ' An AutoFormat object for the IndentLabel control
        Public Class IndentLabelAutoFormat
            Inherits DesignerAutoFormat

            Public Sub New(ByVal name As String)
                MyBase.New(name)
            End Sub

            ' Applies styles based on the Name of the AutoFormat
            Public Overrides Sub Apply(ByVal inLabel As Control)
                If TypeOf inLabel Is IndentLabel Then
                    Dim ctl As IndentLabel = CType(inLabel, IndentLabel)

                    ' Apply formatting according to the Name
                    If Me.Name.Equals("MyClassic") Then
                        ' For MyClassic, apply style elements directly to the control
                        ctl.ForeColor = Color.Gray
                        ctl.BackColor = Color.LightGray
                        ctl.Font.Size = FontUnit.XSmall
                        ctl.Font.Name = "Verdana,Geneva,Sans-Serif"
                    ElseIf Me.Name.Equals("MyBright") Then
                        ' For MyBright, apply style elements to the Style object
                        Me.Style.ForeColor = Color.Maroon
                        Me.Style.BackColor = Color.Yellow
                        Me.Style.Font.Size = FontUnit.Medium

                        ' Merge the AutoFormat style with the control's style
                        ctl.MergeStyle(Me.Style)
                    Else
                        ' For the Default format, apply style elements to the control
                        ctl.ForeColor = Color.Black
                        ctl.BackColor = Color.Empty
                        ctl.Font.Size = FontUnit.XSmall
                    End If
                End If
            End Sub
        End Class
    End Class

End Namespace

Hinweise

Ein umfassendes Webserver Steuerelement enthält nicht nur das-Steuerelement, sondern auch eine entsprechende Steuerelement-Designer-Klasse, die von ControlDesigner der-Klasse abgeleitet wird, und eine Formatierungs DesignerAutoFormat Klasse, die von der-Klasse abgeleitet wird.A complete Web server control includes not only the control, but also, possibly, a corresponding control designer class that is derived from the ControlDesigner class and a formatting class that is derived from the DesignerAutoFormat class. Die AutoFormats -Eigenschaft ist eine Auflistung von Instanzen DesignerAutoFormat der-Klasse.The AutoFormats property is a collection of instances of the DesignerAutoFormat class. Ein funktionierendes Beispiel für die automatische Formatierung in Visual Studio 2005Visual Studio 2005finden CalendarSie unter.For a working example of automatic formatting in Visual Studio 2005Visual Studio 2005, see Calendar.

Hinweise für Vererber

Steuerelemente, die automatisch automatische Formate verfügbar machen, erhalten eine Aufgabenliste und Kontext Befehle für ihre Formate.Controls that automatically expose AutoFormats get a task list and context commands for their formats. Wenn Sie automatische Formate verwenden, verwenden Sie die ViewControl -Eigenschaft, um die Eigenschaften in der Rückruffunktion festzulegen.When you are using automatic formats, use the ViewControl property to set the properties in your callback function.

Gilt für:

Siehe auch