InkCanvas.DefaultDrawingAttributes Özellik

Tanım

Üzerinde yapılan yeni mürekkep konturlarına uygulanan çizim özniteliklerini alır veya ayarlar InkCanvas .Gets or sets the drawing attributes that are applied to new ink strokes made on the InkCanvas.

public:
 property System::Windows::Ink::DrawingAttributes ^ DefaultDrawingAttributes { System::Windows::Ink::DrawingAttributes ^ get(); void set(System::Windows::Ink::DrawingAttributes ^ value); };
public System.Windows.Ink.DrawingAttributes DefaultDrawingAttributes { get; set; }
member this.DefaultDrawingAttributes : System.Windows.Ink.DrawingAttributes with get, set
Public Property DefaultDrawingAttributes As DrawingAttributes

Özellik Değeri

DrawingAttributes

İçin varsayılan çizim öznitelikleri InkCanvas .The default drawing attributes for the InkCanvas.

Örnekler

Aşağıdaki örnek DrawingAttributes , aynı sayfada bir kalem ve Vurgulayıcı kullanma deneyiminin benzetimini yapmak için iki nesnenin nasıl kullanılacağını gösterir InkCanvas .The following example demonstrates how to use two DrawingAttributes objects to simulate the experience of using a pen and a highlighter on the same InkCanvas. Örnek, biçimlendirme dili (XAML) dosyasındaki kök öğenin aranan olduğunu varsayar DockPanel root .The example assumes that the root element in the markup language (XAML) file is a DockPanel called root. Ayrıca, Button Aranan olduğunu switchHighlighter ve Click olayın olay işleyicisine bağlandığını varsayar.It also assumes that there is a Button called switchHighlighter and that the Click event is connected to the event handler.

InkCanvas inkCanvas1 = new InkCanvas();
DrawingAttributes inkDA;
DrawingAttributes highlighterDA;
bool useHighlighter = false;

// Add an InkCanvas to the window, and allow the user to 
// switch between using a green pen and a purple highlighter 
// on the InkCanvas.
private void WindowLoaded(object sender, EventArgs e)
{
    inkCanvas1.Background = Brushes.DarkSlateBlue;
    inkCanvas1.DefaultDrawingAttributes.Color = Colors.SpringGreen;

    root.Children.Add(inkCanvas1);

    // Set up the DrawingAttributes for the pen.
    inkDA = new DrawingAttributes();
    inkDA.Color = Colors.SpringGreen;
    inkDA.Height = 5;
    inkDA.Width = 5;
    inkDA.FitToCurve = false;

    // Set up the DrawingAttributes for the highlighter.
    highlighterDA = new DrawingAttributes();
    highlighterDA.Color = Colors.Orchid;
    highlighterDA.IsHighlighter = true;
    highlighterDA.IgnorePressure = true;
    highlighterDA.StylusTip = StylusTip.Rectangle;
    highlighterDA.Height = 30;
    highlighterDA.Width = 10;

    inkCanvas1.DefaultDrawingAttributes = inkDA;
}

// Create a button called switchHighlighter and use 
// SwitchHighlighter_Click to handle the Click event.  
// The useHighlighter variable is a boolean that indicates
// whether the InkCanvas renders ink as a highlighter.

// Switch between using the 'pen' DrawingAttributes and the 
// 'highlighter' DrawingAttributes.
void SwitchHighlighter_Click(Object sender, RoutedEventArgs e)
{
    useHighlighter = !useHighlighter;
    
    if (useHighlighter)
    {
        switchHighlighter.Content = "Use Pen";
        inkCanvas1.DefaultDrawingAttributes = highlighterDA;
    }
    else
    {
        switchHighlighter.Content = "Use Highlighter";
        inkCanvas1.DefaultDrawingAttributes = inkDA;
    }
}

Private WithEvents inkCanvas1 As New InkCanvas()
Private inkDA As DrawingAttributes
Private highlighterDA As DrawingAttributes
Private useHighlighter As Boolean = False

' Add an InkCanvas to the window, and allow the user to 
' switch between using a green pen and a purple highlighter 
' on the InkCanvas.
Private Sub WindowLoaded(ByVal sender As Object, ByVal e As RoutedEventArgs)

    inkCanvas1.Background = Brushes.DarkSlateBlue
    inkCanvas1.DefaultDrawingAttributes.Color = Colors.SpringGreen

    ' Add the InkCanvas to the DockPanel, named root.
    root.Children.Add(inkCanvas1)

    ' Set up the DrawingAttributes for the pen.
    inkDA = New DrawingAttributes()
    With inkDA
        .Color = Colors.SpringGreen
        .Height = 5
        .Width = 5
        .FitToCurve = True
    End With

    ' Set up the DrawingAttributes for the highlighter.
    highlighterDA = New DrawingAttributes()
    With highlighterDA
        .Color = Colors.Orchid
        .IsHighlighter = True
        .IgnorePressure = True
        .StylusTip = StylusTip.Rectangle
        .Height = 30
        .Width = 10
    End With

    inkCanvas1.DefaultDrawingAttributes = inkDA

End Sub


' Create a button called switchHighlighter and use 
' SwitchHighlighter_Click to handle the Click event.  
' The useHighlighter variable is a boolean that indicates
' whether the InkCanvas renders ink as a highlighter.

' Switch between using the 'pen' DrawingAttributes and the 
' 'highlighter' DrawingAttributes when the user clicks on .
Private Sub SwitchHighlighter_Click(ByVal sender As [Object], ByVal e As RoutedEventArgs)

    useHighlighter = Not useHighlighter

    If useHighlighter Then
        switchHighlighter.Content = "Use Pen"
        inkCanvas1.DefaultDrawingAttributes = highlighterDA
    Else

        switchHighlighter.Content = "Use Highlighter"
        inkCanvas1.DefaultDrawingAttributes = inkDA
    End If

End Sub

Aşağıdaki örnek, DefaultDrawingAttributes özelliğinin bir veri kaynağına nasıl bağlanacağını göstermektedir.The following example demonstrates how to bind the DefaultDrawingAttributes property to a data source.

<Canvas.Resources>
  <!--Define an array containing some DrawingAttributes.-->
  <x:Array x:Key="MyDrawingAttributes" x:Type="{x:Type DrawingAttributes}">
    <DrawingAttributes Color="Black" FitToCurve="true" Width="3" Height="3"/>
    <DrawingAttributes Color="Blue"  FitToCurve="false" Width="5" Height="5"/>
    <DrawingAttributes Color="Red"   FitToCurve="true" Width="7" Height="7"/>
  </x:Array>

  <!--Create a DataTemplate to display the DrawingAttributes shown above-->
  <DataTemplate DataType="{x:Type DrawingAttributes}" >
    <Border Width="80" Height="{Binding Path=Height}">
      <Border.Background >
        <SolidColorBrush Color="{Binding Path=Color}"/>
      </Border.Background>
    </Border>
  </DataTemplate>
</Canvas.Resources>
<!--Bind the InkCavas' DefaultDrawingAtributes to
    a Listbox, called lbDrawingAttributes.-->
<InkCanvas Name="inkCanvas1" Background="LightGreen" 
           Canvas.Top="400" Canvas.Left="0" 
           Height="400" Width="400"
           DefaultDrawingAttributes="{Binding 
                ElementName=lbDrawingAttributes, Path=SelectedItem}"
           >
</InkCanvas>

<!--Use the array, MyDrawingAttributes, to populate a ListBox-->
<ListBox Name="lbDrawingAttributes" 
         Canvas.Top="400" Canvas.Left="450" 
         Height="100" Width="100"
         ItemsSource="{StaticResource MyDrawingAttributes}" />

Açıklamalar

Bu özelliğin ayarlanması, yalnızca bu özellik ayarlandıktan sonra yapılan yeni vuruşları etkiler.Setting this property will affect only new strokes that are made after this property is set. Önceden oluşturulmuş nesnelere yeni çizim öznitelikleri uygulamak için Stroke , özelliği kullanarak tek tek erişin Strokes .To apply new drawing attributes to already-created Stroke objects, access them individually using the Strokes property.

Bağımlılık Özelliği BilgileriDependency Property Information

Tanımlayıcı alanıIdentifier field DefaultDrawingAttributesProperty
Meta veri özellikleri olarak ayarlandı trueMetadata properties set to true YokNone

Şunlara uygulanır

Ayrıca bkz.