ImageList-Konstruktor ()

Initialisiert eine neue Instanz der ImageList-Klasse mit Standardwerten für ColorDepth, ImageSize und TransparentColor.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

Syntax

'Declaration
Public Sub New
'Usage
Dim instance As New ImageList

public ImageList ()

public:
ImageList ()

public ImageList ()

public function ImageList ()

Hinweise

In der folgenden Tabelle werden die anfänglichen Eigenschaftenwerte für eine Instanz der ImageList aufgeführt.

Beispiel

Im folgenden Beispiel wird veranschaulicht, wie eine ImageList konstruiert wird, Bilder zur Images-Eigenschaft hinzugefügt werden, die ImageSize-Eigenschaft festgelegt und die Draw-Methode verwendet wird. Fügen Sie das Beispiel zum Ausführen in ein Formular ein, das eine Schaltfläche mit dem Namen Button1 enthält. Im Beispiel wird davon ausgegangen, dass sich im Verzeichnis c:\Windows\ FeatherTexture.bmp und Gone Fishing.bmp befindet. Wenn die Bitmapdateien nicht im System vorhanden bzw. an einem anderen Ort gespeichert sind, ändern Sie das Beispiel entsprechend.

Friend WithEvents ImageList1 As System.Windows.Forms.ImageList

' Create an ImageList Object, populate it, and display
' the images it contains.
Private Sub Button1_Click(ByVal sender As System.Object, _
    ByVal e As System.EventArgs) Handles Button1.Click

    ' Construct the ImageList.
    ImageList1 = New ImageList

    ' Set the ImageSize property to a larger size 
    ' (the default is 16 x 16).
    ImageList1.ImageSize = New Size(112, 112)

    ' Add two images to the list.
    ImageList1.Images.Add(Image.FromFile _
        ("c:\windows\FeatherTexture.bmp"))
    ImageList1.Images.Add _
        (Image.FromFile("C:\windows\Gone Fishing.bmp"))

    Dim count As System.Int32

    ' Get a Graphics object from the form's handle.
    Dim theGraphics As Graphics = Graphics.FromHwnd(Me.Handle)

    ' Loop through the images in the list, drawing each image.
    For count = 0 To ImageList1.Images.Count - 1
        ImageList1.Draw(theGraphics, New Point(85, 85), count)

        ' Call Application.DoEvents to force a repaint of the form.
        Application.DoEvents()

        ' Call the Sleep method to allow the user to see the image.
        System.Threading.Thread.Sleep(1000)
    Next
End Sub

internal System.Windows.Forms.ImageList ImageList1;

// Create an ImageList Object, populate it, and display
// the images it contains.
private void Button1_Click(System.Object sender, 
    System.EventArgs e)
{

    // Construct the ImageList.
    ImageList1 = new ImageList();

    // Set the ImageSize property to a larger size 
    // (the default is 16 x 16).
    ImageList1.ImageSize = new Size(112, 112);

    // Add two images to the list.
    ImageList1.Images.Add(
        Image.FromFile("c:\\windows\\FeatherTexture.bmp"));
    ImageList1.Images.Add(
        Image.FromFile("C:\\windows\\Gone Fishing.bmp"));

    // Get a Graphics object from the form's handle.
    Graphics theGraphics = Graphics.FromHwnd(this.Handle);

    // Loop through the images in the list, drawing each image.
    for(int count = 0; count < ImageList1.Images.Count; count++)
    {
        ImageList1.Draw(theGraphics, new Point(85, 85), count);

        // Call Application.DoEvents to force a repaint of the form.
        Application.DoEvents();

        // Call the Sleep method to allow the user to see the image.
        System.Threading.Thread.Sleep(1000);
    }
}

internal:
   System::Windows::Forms::ImageList^ ImageList1;

private:

   // Create an ImageList Object, populate it, and display
   // the images it contains.
   void Button1_Click( System::Object^ /*sender*/, System::EventArgs^ /*e*/ )
   {
      
      // Construct the ImageList.
      ImageList1 = gcnew ImageList;
      
      // Set the ImageSize property to a larger size 
      // (the default is 16 x 16).
      ImageList1->ImageSize = System::Drawing::Size( 112, 112 );
      
      // Add two images to the list.
      ImageList1->Images->Add( Image::FromFile( "c:\\windows\\FeatherTexture.bmp" ) );
      ImageList1->Images->Add( Image::FromFile( "C:\\windows\\Gone Fishing.bmp" ) );
      
      // Get a Graphics object from the form's handle.
      Graphics^ theGraphics = Graphics::FromHwnd( this->Handle );
      
      // Loop through the images in the list, drawing each image.
      for ( int count = 0; count < ImageList1->Images->Count; count++ )
      {
         ImageList1->Draw( theGraphics, Point(85,85), count );
         
         // Call Application.DoEvents to force a repaint of the form.
         Application::DoEvents();
         
         // Call the Sleep method to allow the user to see the image.
         System::Threading::Thread::Sleep( 1000 );

      }
   }

private System.Windows.Forms.ImageList imageList1;

// Create an ImageList Object, populate it, and display
// the images it contains.
private void button1_Click(Object sender, System.EventArgs e)
{
    // Construct the ImageList.
    imageList1 = new ImageList();
    // Set the ImageSize property to a larger size 
    // (the default is 16 x 16).
    imageList1.set_ImageSize(new Size(112, 112));
    // Add two images to the list.
    imageList1.get_Images().Add(Image.FromFile(
        "c:\\windows\\FeatherTexture.bmp"));
    imageList1.get_Images().Add(Image.FromFile(
        "C:\\windows\\Gone Fishing.bmp"));
    // Get a Graphics object from the form's handle.
    Graphics theGraphics = Graphics.FromHwnd(this.get_Handle());
    // Loop through the images in the list, drawing each image.
    for (int count = 0; count < imageList1.get_Images().get_Count(); 
        count++) {
        imageList1.Draw(theGraphics, new Point(85, 85), count);
        // Call Application.DoEvents to force a repaint of the form.
        Application.DoEvents();
        // Call the Sleep method to allow the user to see the image.
        System.Threading.Thread.Sleep(1000);
    }
} //button1_Click

Plattformen

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

.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.

Versionsinformationen

.NET Framework

Unterstützt in: 2.0, 1.1, 1.0

.NET Compact Framework

Unterstützt in: 2.0, 1.0

Siehe auch

Referenz

ImageList-Klasse
ImageList-Member
System.Windows.Forms-Namespace