ComponentEditorPage 클래스

아티클
08/21/2007

ComponentEditorPage에 대한 기본 구현을 제공합니다.

네임스페이스: System.Windows.Forms.Design
어셈블리: System.Windows.Forms(system.windows.forms.dll)

구문

‘선언
<ComVisibleAttribute(True)> _
<ClassInterfaceAttribute(ClassInterfaceType.AutoDispatch)> _
Public MustInherit Class ComponentEditorPage
    Inherits Panel
‘사용 방법
Dim instance As ComponentEditorPage

[ComVisibleAttribute(true)] 
[ClassInterfaceAttribute(ClassInterfaceType.AutoDispatch)] 
public abstract class ComponentEditorPage : Panel

[ComVisibleAttribute(true)] 
[ClassInterfaceAttribute(ClassInterfaceType::AutoDispatch)] 
public ref class ComponentEditorPage abstract : public Panel

/** @attribute ComVisibleAttribute(true) */ 
/** @attribute ClassInterfaceAttribute(ClassInterfaceType.AutoDispatch) */ 
public abstract class ComponentEditorPage extends Panel

ComVisibleAttribute(true) 
ClassInterfaceAttribute(ClassInterfaceType.AutoDispatch) 
public abstract class ComponentEditorPage extends Panel

설명

ComponentEditorPage 클래스는 빈 창으로 이루어진 구성 요소 편집기 페이지의 완전한 구현입니다. 이 페이지를 확장하여 직접 만든 컨트롤을 추가할 수 있습니다. ComponentEditorPage는 WindowsFormsComponentEditor의 ComponentEditorForm에서 사용됩니다.

예제

다음 코드 예제에서는 ComponentEditorPage의 구현 예를 보여 줍니다.

' This example component editor page type provides an example 
' ComponentEditorPage implementation.
Friend Class ExampleComponentEditorPage
    Inherits System.Windows.Forms.Design.ComponentEditorPage
    Private l1 As Label
    Private b1 As Button
    Private pg1 As PropertyGrid

    ' Base64-encoded serialized image data for the required component editor page icon.
    Private icondata As String = "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"

    Public Sub New()
        ' Initialize the page, which inherits from Panel, and its controls.
        Me.Size = New Size(400, 250)
        Me.Icon = DeserializeIconFromBase64Text(icondata)
        Me.Text = "Example Page"

        b1 = New Button
        b1.Size = New Size(200, 20)
        b1.Location = New Point(200, 0)
        b1.Text = "Set a random background color"
        AddHandler b1.Click, AddressOf Me.randomBackColor
        Me.Controls.Add(b1)

        l1 = New Label
        l1.Size = New Size(190, 20)
        l1.Location = New Point(4, 2)
        l1.Text = "Example Component Editor Page"
        Me.Controls.Add(l1)

        pg1 = New PropertyGrid
        pg1.Size = New Size(400, 280)
        pg1.Location = New Point(0, 30)
        Me.Controls.Add(pg1)
    End Sub

    ' This method indicates that the Help button should be enabled for this 
    ' component editor page.
    Public Overrides Function SupportsHelp() As Boolean
        Return True
    End Function

    ' This method is called when the Help button for this component editor page is pressed.
    ' This implementation uses the IHelpService to show the Help topic for a sample keyword.
    Public Overrides Sub ShowHelp()
        ' The GetSelectedComponent method of a ComponentEditorPage retrieves the
        ' IComponent associated with the WindowsFormsComponentEditor.
        Dim selectedComponent As IComponent = Me.GetSelectedComponent()

        ' Retrieve the Site of the component, and return if null.
        Dim componentSite As ISite = selectedComponent.Site
        If componentSite Is Nothing Then
            Return
        End If
        ' Acquire the IHelpService to display a help topic using a indexed keyword lookup.
        Dim helpService As IHelpService = CType(componentSite.GetService(GetType(IHelpService)), IHelpService)
        If Not (helpService Is Nothing) Then
            helpService.ShowHelpFromKeyword("System.Windows.Forms.ComboBox")
        End If
    End Sub

    ' The LoadComponent method is raised when the ComponentEditorPage is displayed.
    Protected Overrides Sub LoadComponent()
        Me.pg1.SelectedObject = Me.Component
    End Sub

    ' The SaveComponent method is raised when the WindowsFormsComponentEditor is closing 
    ' or the current ComponentEditorPage is closing.
    Protected Overrides Sub SaveComponent()
    End Sub

    ' If the associated component is a Control, this method sets the BackColor to a random color.
    ' This method is invoked by the button on this ComponentEditorPage.
    Private Sub randomBackColor(ByVal sender As Object, ByVal e As EventArgs)
        If GetType(System.Windows.Forms.Control).IsAssignableFrom(CType(Me.Component, Object).GetType()) Then
            ' Sets the background color of the Control associated with the
            ' WindowsFormsComponentEditor to a random color.
            Dim rnd As New Random
            CType(Me.Component, System.Windows.Forms.Control).BackColor = Color.FromArgb(rnd.Next(255), rnd.Next(255), rnd.Next(255))
            pg1.Refresh()
        End If
    End Sub

    ' This method can be used to retrieve an Icon from a block 
    ' of Base64-encoded text.
    Private Function DeserializeIconFromBase64Text(ByVal [text] As String) As icon
        Dim img As Icon = Nothing
        Dim memBytes As Byte() = Convert.FromBase64String([text])
        Dim formatter As New BinaryFormatter
        Dim stream As New MemoryStream(memBytes)
        img = CType(formatter.Deserialize(stream), Icon)
        stream.Close()
        Return img
    End Function
End Class

// This example component editor page type provides an example 
// ComponentEditorPage implementation.
internal class ExampleComponentEditorPage : System.Windows.Forms.Design.ComponentEditorPage
{
    Label l1; 
    Button b1; 
    PropertyGrid pg1;

    // Base64-encoded serialized image data for the required component editor page icon.
    string icon = "AAEAAAD/////AQAAAAAAAAAMAgAAAFRTeXN0ZW0uRHJhd2luZywgVmVyc2lvbj0xLjAuNTAwMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWIwM2Y1ZjdmMTFkNTBhM2EFAQAAABNTeXN0ZW0uRHJhd2luZy5JY29uAgAAAAhJY29uRGF0YQhJY29uU2l6ZQcEAhNTeXN0ZW0uRHJhd2luZy5TaXplAgAAAAIAAAAJAwAAAAX8////E1N5c3RlbS5EcmF3aW5nLlNpemUCAAAABXdpZHRoBmhlaWdodAAACAgCAAAAAAAAAAAAAAAPAwAAAD4BAAACAAABAAEAEBAQAAAAAAAoAQAAFgAAACgAAAAQAAAAIAAAAAEABAAAAAAAgAAAAAAAAAAAAAAAEAAAABAAAAAAAAAAAACAAACAAAAAgIAAgAAAAIAAgADExAAAgICAAMDAwAA+iPcAY77gACh9kwD/AAAAndPoADpw6wD///8AAAAAAAAAAAAHd3d3d3d3d8IiIiIiIiLHKIiIiIiIiCco///////4Jyj5mfIvIvgnKPnp////+Cco+en7u7v4Jyj56f////gnKPmZ8i8i+Cco///////4JyiIiIiIiIgnJmZmZmZmZifCIiIiIiIiwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACw==";

    public ExampleComponentEditorPage()
    {
        // Initialize the page, which inherits from Panel, and its controls.
        this.Size = new Size( 400, 250 );            
        this.Icon = DeserializeIconFromBase64Text(icon);
        this.Text = "Example Page";
        
        b1 = new Button();
        b1.Size = new Size(200, 20);
        b1.Location = new Point(200, 0);
        b1.Text = "Set a random background color";
        b1.Click += new EventHandler(this.randomBackColor);
        this.Controls.Add( b1 );

        l1 = new Label();
        l1.Size = new Size(190, 20);
        l1.Location = new Point(4, 2);
        l1.Text = "Example Component Editor Page";
        this.Controls.Add( l1 );

        pg1 = new PropertyGrid();
        pg1.Size = new Size(400, 280);
        pg1.Location = new Point(0,30);
        this.Controls.Add( pg1 );
    }
    
    // This method indicates that the Help button should be enabled for this 
    // component editor page.
    public override bool SupportsHelp()
    { 
        return true; 
    }

    // This method is called when the Help button for this component editor page is pressed.
    // This implementation uses the IHelpService to show the Help topic for a sample keyword.
    public override void ShowHelp()
    {
        // The GetSelectedComponent method of a ComponentEditorPage retrieves the
        // IComponent associated with the WindowsFormsComponentEditor.
        IComponent selectedComponent = this.GetSelectedComponent();

        // Retrieve the Site of the component, and return if null.
        ISite componentSite = selectedComponent.Site;
        if(componentSite == null)
            return;
 
        // Acquire the IHelpService to display a help topic using a indexed keyword lookup.
        IHelpService helpService = (IHelpService)componentSite.GetService(typeof(IHelpService));
        if (helpService != null)
            helpService.ShowHelpFromKeyword("System.Windows.Forms.ComboBox");
    }

    // The LoadComponent method is raised when the ComponentEditorPage is displayed.
    protected override void LoadComponent()
    { 
        this.pg1.SelectedObject = this.Component; 
    }

    // The SaveComponent method is raised when the WindowsFormsComponentEditor is closing 
    // or the current ComponentEditorPage is closing.
    protected override void SaveComponent()
    {
    }

    // If the associated component is a Control, this method sets the BackColor to a random color.
    // This method is invoked by the button on this ComponentEditorPage.
    private void randomBackColor(object sender, EventArgs e)
    {
        if( typeof(System.Windows.Forms.Control).IsAssignableFrom( this.Component.GetType() ) )
        {
            // Sets the background color of the Control associated with the
            // WindowsFormsComponentEditor to a random color.
            Random rnd = new Random();
            ((System.Windows.Forms.Control)this.Component).BackColor = 
                Color.FromArgb(rnd.Next(255), rnd.Next(255), rnd.Next(255));
            pg1.Refresh();
        }
    }

    // This method can be used to retrieve an Icon from a block 
    // of Base64-encoded text.
    private Icon DeserializeIconFromBase64Text(string text)
    {
        Icon img = null;
        byte[] memBytes = Convert.FromBase64String(text);
        IFormatter formatter = new BinaryFormatter();
        MemoryStream stream = new MemoryStream(memBytes);
        img = (Icon)formatter.Deserialize(stream);
        stream.Close();
        return img;
    }
}

// This example component editor page type provides an example 
// ComponentEditorPage implementation.
private ref class ExampleComponentEditorPage: public System::Windows::Forms::Design::ComponentEditorPage
{
private:
   Label^ l1;
   Button^ b1;
   PropertyGrid^ pg1;

   // Base64-encoded serialized image data for the required component editor page icon.
   String^ icon;

public:
   ExampleComponentEditorPage()
   {
      String^ temp = "AAEAAAD/////AQAAAAAAAAAMAgAAAFRTeXN0ZW0uRHJhd2luZywgVmVyc2lvbj0xLjAuNTAwMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWIwM2Y1ZjdmMTFkNTBhM2EFAQAAABNTeXN0ZW0uRHJhd2luZy5JY29uAgAAAAhJY29uRGF0Y"
      "QhJY29uU2l6ZQcEAhNTeXN0ZW0uRHJhd2luZy5TaXplAgAAAAIAAAAJAwAAAAX8////E1N5c3RlbS5EcmF3aW5nLlNpemUCAAAABXdpZHRoBmhlaWdodAAACAgCAAAAAAAAAAAAAAAPAwAAAD4BAAACAAABAAEAEBAQAAAAAAAoAQAAFgAAACgAAAAQAAAAIA"
      "AAAAEABAAAAAAAgAAAAAAAAAAAAAAAEAAAABAAAAAAAAAAAACAAACAAAAAgIAAgAAAAIAAgADExAAAgICAAMDAwAA+iPcAY77gACh9kwD/AAAAndPoADpw6wD///8AAAAAAAAAAAAHd3d3d3d3d8IiIiIiIiLHKIiIiIiIiCco///////4Jyj5mfIvIvgnKPn"
      "p////+Cco+en7u7v4Jyj56f////gnKPmZ8i8i+Cco///////4JyiIiIiIiIgnJmZmZmZmZifCIiIiIiIiwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACw==";
      icon = temp;
      
      // Initialize the page, which inherits from Panel, and its controls.
      this->Size = System::Drawing::Size( 400, 250 );
      this->Icon = DeserializeIconFromBase64Text( icon );
      this->Text = "Example Page";
      b1 = gcnew Button;
      b1->Size = System::Drawing::Size( 200, 20 );
      b1->Location = Point(200,0);
      b1->Text = "Set a random background color";
      b1->Click += gcnew EventHandler( this, &ExampleComponentEditorPage::randomBackColor );
      this->Controls->Add( b1 );
      l1 = gcnew Label;
      l1->Size = System::Drawing::Size( 190, 20 );
      l1->Location = Point(4,2);
      l1->Text = "Example Component Editor Page";
      this->Controls->Add( l1 );
      pg1 = gcnew PropertyGrid;
      pg1->Size = System::Drawing::Size( 400, 280 );
      pg1->Location = Point(0,30);
      this->Controls->Add( pg1 );
   }

   // This method indicates that the Help button should be enabled for this 
   // component editor page.
   virtual bool SupportsHelp() override
   {
      return true;
   }

   // This method is called when the Help button for this component editor page is pressed.
   // This implementation uses the IHelpService to show the Help topic for a sample keyword.
public:
   virtual void ShowHelp() override
   {
      // The GetSelectedComponent method of a ComponentEditorPage retrieves the
      // IComponent associated with the WindowsFormsComponentEditor.
      IComponent^ selectedComponent = this->GetSelectedComponent();

      // Retrieve the Site of the component, and return if null.
      ISite^ componentSite = selectedComponent->Site;
      if ( componentSite == nullptr )
               return;

      // Acquire the IHelpService to display a help topic using a indexed keyword lookup.
      IHelpService^ helpService = dynamic_cast<IHelpService^>(componentSite->GetService( IHelpService::typeid ));
      if ( helpService != nullptr )
               helpService->ShowHelpFromKeyword( "System.Windows.Forms.ComboBox" );
   }

protected:

   // The LoadComponent method is raised when the ComponentEditorPage is displayed.
   virtual void LoadComponent() override
   {
      this->pg1->SelectedObject = this->Component;
   }

   // The SaveComponent method is raised when the WindowsFormsComponentEditor is closing 
   // or the current ComponentEditorPage is closing.
   virtual void SaveComponent() override {}

private:

   // If the associated component is a Control, this method sets the BackColor to a random color.
   // This method is invoked by the button on this ComponentEditorPage.
   void randomBackColor( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      if ( System::Windows::Forms::Control::typeid->IsAssignableFrom( this->::Component::GetType() ) )
      {
         // Sets the background color of the Control associated with the
         // WindowsFormsComponentEditor to a random color.
         Random^ rnd = gcnew Random;
         (dynamic_cast<System::Windows::Forms::Control^>(this->Component))->BackColor = Color::FromArgb( rnd->Next( 255 ), rnd->Next( 255 ), rnd->Next( 255 ) );
         pg1->Refresh();
      }
   }

   // This method can be used to retrieve an Icon from a block 
   // of Base64-encoded text.
   System::Drawing::Icon^ DeserializeIconFromBase64Text( String^ text )
   {
      System::Drawing::Icon^ img = nullptr;
      array<Byte>^memBytes = Convert::FromBase64String( text );
      IFormatter^ formatter = gcnew BinaryFormatter;
      MemoryStream^ stream = gcnew MemoryStream( memBytes );
      img = dynamic_cast<System::Drawing::Icon^>(formatter->Deserialize( stream ));
      stream->Close();
      return img;
   }
};

.NET Framework 보안

NamedPermissionSet 시스템 리소스에 완전하게 액세스하는 데 필요한 권한입니다. 요청 값: InheritanceDemand. 연관된 상태: FullTrust

상속 계층 구조

System.Object
   System.MarshalByRefObject
     System.ComponentModel.Component
       System.Windows.Forms.Control
         System.Windows.Forms.ScrollableControl
           System.Windows.Forms.Panel
            System.Windows.Forms.Design.ComponentEditorPage

스레드로부터의 안전성

이 형식의 모든 public static(Visual Basic의 경우 Shared) 멤버는 스레드로부터 안전합니다. 인터페이스 멤버는 스레드로부터 안전하지 않습니다.

플랫폼

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

.NET Framework에서 모든 플래폼의 모든 버전을 지원하지는 않습니다. 지원되는 버전의 목록은 시스템 요구 사항을 참조하십시오.

버전 정보

.NET Framework

2.0, 1.1, 1.0에서 지원

참고 항목

참조

ComponentEditorPage 멤버
System.Windows.Forms.Design 네임스페이스
ComponentEditorForm 클래스
WindowsFormsComponentEditor

다음을 통해 공유