Class ContainerHeaderViewModel

Represents a Header element for IContainer elements.

Inheritance
System.Object
DiagramElementViewModel
ContainerHeaderViewModel
Implements
System.ComponentModel.INotifyPropertyChanged
Inherited Members
Namespace: Syncfusion.UI.Xaml.Diagram
Assembly: Syncfusion.SfDiagram.WPF.dll
Syntax
public class ContainerHeaderViewModel : DiagramElementViewModel, IContainerHeader, IDiagramElement, IID, INotifyPropertyChanged
Examples

Below example explains how to add header for Container object.

<!--Initialize the Container-->
<syncfusion:ContainerViewModel UnitHeight="200" UnitWidth="250">
    <syncfusion:ContainerViewModel.Header>
        <!--Initialize the Container's header-->
        <syncfusion:ContainerHeaderViewModel UnitHeight="40">
            <!--Initialize the Container's header text-->
            <syncfusion:ContainerHeaderViewModel.Annotation>
                <syncfusion:AnnotationEditorViewModel Content="Title"/>
            </syncfusion:ContainerHeaderViewModel.Annotation>
        </syncfusion:ContainerHeaderViewModel>
    </syncfusion:ContainerViewModel.Header>
</syncfusion:ContainerViewModel>

Constructors

ContainerHeaderViewModel()

Creates new instance of ContainerHeaderViewModel class.

Declaration
public ContainerHeaderViewModel()

Properties

Annotation

Represent a block of text that can be displayed over a Header of ContainerHeaderViewModel.

Declaration
public IAnnotation Annotation { get; set; }
Property Value
Type
IAnnotation

Info

Gets or sets the more / additional information about the Container's header block.

Declaration
public IContainerHeaderInfo Info { get; set; }
Property Value
Type
IContainerHeaderInfo
Examples

Below example explains how to get the bounds of the Container's Header.

private void OnDiagramItemSelected(object sender, DiagramEventArgs args)
{
    if (args.Item is ContainerViewModel container)
    {
        // Get the bounds of the Container's Header
        IContainerHeader header = container.Header;
        Rect headerBounds = ((IContainerHeaderInfo)header.Info).Bounds;
    }
}

ShapeStyle

Gets or sets the style of the Container's header block.

Declaration
public Style ShapeStyle { get; set; }
Property Value
Type
System.Windows.Style
Examples

Below example explains how to customize the appearance of the Header block.

<!--Initialize the Container-->
<syncfusion:ContainerViewModel x:Name="container" UnitHeight="200" UnitWidth="250">
    <syncfusion:ContainerViewModel.Header>
        <!--Initialize the Container's header-->
        <syncfusion:ContainerHeaderViewModel UnitHeight="40">
            <!--Initialize the Container's header text-->
            <syncfusion:ContainerHeaderViewModel.Annotation>
                <syncfusion:AnnotationEditorViewModel Content="Title"/>
            </syncfusion:ContainerHeaderViewModel.Annotation>
            <!--Define the style for header block-->
            <syncfusion:ContainerHeaderViewModel.ShapeStyle>
                <Style TargetType="Path">
                    <Setter Property="Fill" Value="CornflowerBlue"/>
                    <Setter Property="Stretch" Value="Fill"/>
                    <Setter Property="Data">
                        <Setter.Value>
                            <RectangleGeometry Rect="10,10,10,10"/>
                        </Setter.Value>
                    </Setter>
                </Style>
            </syncfusion:ContainerHeaderViewModel.ShapeStyle>
        </syncfusion:ContainerHeaderViewModel>
    </syncfusion:ContainerViewModel.Header>
</syncfusion:ContainerViewModel>

UnitHeight

Gets or sets the height of the Container's header block.

Declaration
public double UnitHeight { get; set; }
Property Value
Type
System.Double

UnitWidth

Gets or sets the width of the Container's header block.

Declaration
public double UnitWidth { get; set; }
Property Value
Type
System.Double

Implements

IID
System.ComponentModel.INotifyPropertyChanged