Class Stencil

Represents the library of shapes.

Inheritance

System.Object

Stencil

Namespace: Syncfusion.UI.Xaml.Diagram.Stencil

Assembly: Syncfusion.SfDiagram.WPF.dll

Syntax

public class Stencil : Control

Constructors

Stencil()

Initializes a new instance of the Stencil class.

Declaration

public Stencil()

Fields

CategoriesProperty

Using a DependencyProperty as the backing store for Categories property. This enables animation, styling, binding, etc...

Declaration

public static DependencyProperty CategoriesProperty

Field Value

Type	Description
System.Windows.DependencyProperty

ConstraintsProperty

Using a DependencyProperty as the backing store for Constraints property. This enables animation, styling, binding, etc...

Declaration

public static DependencyProperty ConstraintsProperty

Field Value

Type	Description
System.Windows.DependencyProperty

DiagramThemeProperty

Identifies the DiagramTheme dependency property.

Declaration

public static DependencyProperty DiagramThemeProperty

Field Value

Type	Description
System.Windows.DependencyProperty

DisplayModeProperty

Using a DependencyProperty as the backing store for DisplayMode property. This enables animation, styling, binding, etc...

Declaration

public static readonly DependencyProperty DisplayModeProperty

Field Value

Type	Description
System.Windows.DependencyProperty

ExpandModeProperty

Using a DependencyProperty as the backing store for ExpandMode property. This enables animation, styling, binding, etc...

Declaration

public static DependencyProperty ExpandModeProperty

Field Value

Type	Description
System.Windows.DependencyProperty

HeaderVisibilityProperty

Using a DependencyProperty as the backing store for HeaderVisibility property. This enables animation, styling, binding, etc...

Declaration

public static DependencyProperty HeaderVisibilityProperty

Field Value

Type	Description
System.Windows.DependencyProperty

ItemAddingCommandProperty

Identifies the ItemAddingCommand dependency property.

Declaration

public static DependencyProperty ItemAddingCommandProperty

Field Value

Type	Description
System.Windows.DependencyProperty

ItemDeletingCommandProperty

Identifies the ItemDeletingCommand dependency property.

Declaration

public static DependencyProperty ItemDeletingCommandProperty

Field Value

Type	Description
System.Windows.DependencyProperty

MenuItemClickedCommandProperty

Identifies the MenuItemClickedCommand dependency property.

Declaration

public static DependencyProperty MenuItemClickedCommandProperty

Field Value

Type	Description
System.Windows.DependencyProperty

MenuOpeningCommandProperty

Identifies the MenuOpeningCommand dependency property.

Declaration

public static DependencyProperty MenuOpeningCommandProperty

Field Value

Type	Description
System.Windows.DependencyProperty

MenuProperty

Identifies the Menu dependency property.

Declaration

public static DependencyProperty MenuProperty

Field Value

Type	Description
System.Windows.DependencyProperty

SelectedFilterProperty

Using a DependencyProperty as the backing store for SelectedFilter property. This enables animation, styling, binding, etc...

Declaration

public static DependencyProperty SelectedFilterProperty

Field Value

Type	Description
System.Windows.DependencyProperty

SelectedItemsProperty

Identifies the SelectedItems dependency property.

Declaration

public static DependencyProperty SelectedItemsProperty

Field Value

Type	Description
System.Windows.DependencyProperty

SelectedSymbolProperty

Using a DependencyProperty as the backing store for SelectedSymbol. This enables animation, styling, binding, etc...

Declaration

public static DependencyProperty SelectedSymbolProperty

Field Value

Type	Description
System.Windows.DependencyProperty

SelectionChangedCommandProperty

Identifies the SelectionChangedCommand dependency property.

Declaration

public static DependencyProperty SelectionChangedCommandProperty

Field Value

Type	Description
System.Windows.DependencyProperty

ShowDisplayModeToggleButtonProperty

Using a DependencyProperty as the backing store for ShowDisplayModeToggleButton property. This enables animation, styling, binding, etc...

Declaration

public static readonly DependencyProperty ShowDisplayModeToggleButtonProperty

Field Value

Type	Description
System.Windows.DependencyProperty

ShowSearchTextBoxProperty

Using a DependencyProperty as the backing store for ShowSearchTextBox property. This enables animation, styling, binding, etc...

Declaration

public static readonly DependencyProperty ShowSearchTextBoxProperty

Field Value

Type	Description
System.Windows.DependencyProperty

SymbolFilterDisplayModeProperty

Using a DependencyProperty as the backing store for SymbolFilterDisplayMode property. This enables animation, styling, binding, etc...

Declaration

public static readonly DependencyProperty SymbolFilterDisplayModeProperty

Field Value

Type	Description
System.Windows.DependencyProperty

SymbolFiltersProperty

Using a DependencyProperty as the backing store for SymbolFilters property. This enables animation, styling, binding, etc...

Declaration

public static DependencyProperty SymbolFiltersProperty

Field Value

Type	Description
System.Windows.DependencyProperty

SymbolGroupProperty

Using a DependencyProperty as the backing store for SymbolGroup property. This enables animation, styling, binding, etc...

Declaration

public static DependencyProperty SymbolGroupProperty

Field Value

Type	Description
System.Windows.DependencyProperty

SymbolGroupsProperty

Using a DependencyProperty as the backing store for SymbolGroup property. This enables animation, styling, binding, etc...

Declaration

public static DependencyProperty SymbolGroupsProperty

Field Value

Type	Description
System.Windows.DependencyProperty

SymbolPreviewProperty

Using a DependencyProperty as the backing store for SymbolPreview. This enables animation, styling, binding, etc...

Declaration

public static DependencyProperty SymbolPreviewProperty

Field Value

Type	Description
System.Windows.DependencyProperty

SymbolsDisplayModeProperty

Identifies the SymbolsDisplayMode dependency property.

Declaration

public static DependencyProperty SymbolsDisplayModeProperty

Field Value

Type	Description
System.Windows.DependencyProperty

SymbolSourceProperty

Identifies the Syncfusion.UI.Xaml.Diagram.Stencil.SymbolSource dependency property.

Declaration

public static DependencyProperty SymbolSourceProperty

Field Value

Type	Description
System.Windows.DependencyProperty

TitleProperty

Using a DependencyProperty as the backing store for Title property. This enables animation, styling, binding, etc...

Declaration

public static readonly DependencyProperty TitleProperty

Field Value

Type	Description
System.Windows.DependencyProperty

TitleTemplateProperty

Using a DependencyProperty as the backing store for TitleTemplate property. This enables animation, styling, binding, etc...

Declaration

public static readonly DependencyProperty TitleTemplateProperty

Field Value

Type	Description
System.Windows.DependencyProperty

Properties

Type	Description
StencilCategoryCollection

Constraints

Gets or sets the default behaviours of stencil.

Declaration

public StencilConstraints Constraints { get; set; }

Property Value

Type	Description
StencilConstraints

DiagramTheme

Gets or sets the theme to a collection of property settings that allow you to define the look of stencil elements.

Declaration

public DiagramTheme DiagramTheme { get; set; }

Property Value

Type	Description
DiagramTheme

DisplayMode

Gets or sets a value that specifies how the stencil and content areas of a stencil are being shown. A value of the enumeration that specifies how the stencil and content areas of a stencil are being shown.

Declaration

public DisplayMode DisplayMode { get; set; }

Property Value

Type	Description
DisplayMode

Examples

 <syncfusion:Stencil x:Name="stencil" Width="250"  DisplayMode="Compact">
     <!--Initialize the SymbolSource-->
      <syncfusion:Stencil.SymbolSource>               
       <!--Define the SymbolCollection-->
               <syncfusion:SymbolCollection>
                 <syncfusion:NodeViewModel Key = "Basic Shapes" Name="Triangle" OffsetX="100" OffsetY="100" UnitHeight="100" UnitWidth="100"  Shape="{StaticResource Triangle}" ShapeStyle="{StaticResource nodestyle}" >
                </syncfusion:NodeViewModel>
                </syncfusion:SymbolCollection>
            </syncfusion:Stencil.SymbolSource>
        <syncfusion:Stencil.SymbolGroups>
            <syncfusion:SymbolGroups>
                <!--Separate groups based on the key-->
           <syncfusion:SymbolGroupProvider MappingName = "Key" />
          </ syncfusion:SymbolGroups>
        </syncfusion:Stencil.SymbolGroups>
      </syncfusion:Stencil>

ExpandMode

Gets or sets a value that indicates the number of symbol group expanded in stencil.

Declaration

public ExpandMode ExpandMode { get; set; }

Property Value

Type	Description
ExpandMode

Remarks

This is applicable only for the DisplayMode as ComboBox

HeaderVisibility

Gets or sets the header visibility of the symbol groups in stencil.

Declaration

public Visibility HeaderVisibility { get; set; }

Property Value

Type	Description
System.Windows.Visibility

ItemAddingCommand

Occurs before an item is added to the Stencil.

Declaration

public ICommand ItemAddingCommand { get; set; }

Property Value

Type	Description
System.Windows.Input.ICommand

ItemDeletingCommand

Occurs before an item is deleted from the Stencil.

Declaration

public ICommand ItemDeletingCommand { get; set; }

Property Value

Type	Description
System.Windows.Input.ICommand

KnownTypes

Gets or sets a collection of known types that may be present in the stencil for serialization.

Declaration

public GetTypes KnownTypes { get; set; }

Property Value

Type	Description
GetTypes

Type	Description
DiagramMenu

MenuItemClickedCommand

Occurs when a menu item is clicked.

Declaration

public ICommand MenuItemClickedCommand { get; set; }

Property Value

Type	Description
System.Windows.Input.ICommand

MenuOpeningCommand

Occurs when any context menu on the element is opened.

Declaration

public ICommand MenuOpeningCommand { get; set; }

Property Value

Type	Description
System.Windows.Input.ICommand

SelectedFilter

Gets or sets a filter from the colloection the SymbolFilters in stencil.

Declaration

public SymbolFilterProvider SelectedFilter { get; set; }

Property Value

Type	Description
SymbolFilterProvider

SelectedItems

Gets or sets the selected items of the Syncfusion.UI.Xaml.Diagram.Stencil.

Declaration

public SymbolCollection SelectedItems { get; set; }

Property Value

Type	Description
SymbolCollection

SelectedSymbol

Gets or sets a selected symbol in stencil.

Declaration

public Symbol SelectedSymbol { get; set; }

Property Value

Type	Description
Symbol

SelectionChangedCommand

Occurs when the selection changes (new items are selected, or currently selected items are unselected).

Declaration

public ICommand SelectionChangedCommand { get; set; }

Property Value

Type	Description
System.Windows.Input.ICommand

ShowDisplayModeToggleButton

Gets or sets the value indicates whether to show/hide the display mode toggle button. The default value is true.

Declaration

public bool ShowDisplayModeToggleButton { get; set; }

Property Value

Type	Description
System.Boolean

Examples

 <syncfusion:Stencil x:Name="stencil" Width="250" Title="Stencil Shapes"  ShowDisplayModeToggleButton="false" >
     <!--Initialize the SymbolSource-->
      <syncfusion:Stencil.SymbolSource>               
       <!--Define the SymbolCollection-->
               <syncfusion:SymbolCollection>
                 <syncfusion:NodeViewModel Key = "Basic Shapes" Name="Triangle" OffsetX="100" OffsetY="100" UnitHeight="100" UnitWidth="100"  Shape="{StaticResource Triangle}" ShapeStyle="{StaticResource nodestyle}" >
                </syncfusion:NodeViewModel>
                </syncfusion:SymbolCollection>
            </syncfusion:Stencil.SymbolSource>
        <syncfusion:Stencil.SymbolGroups>
            <syncfusion:SymbolGroups>
                <!--Separate groups based on the key-->
           <syncfusion:SymbolGroupProvider MappingName = "Key" />
          </ syncfusion:SymbolGroups>
        </syncfusion:Stencil.SymbolGroups>
      </syncfusion:Stencil>

ShowSearchTextBox

Gets or sets value indicates whether to display the symbol search textbox in the Stencil.

Declaration

public bool ShowSearchTextBox { get; set; }

Property Value

Type	Description
System.Boolean	true to show the search textbox in stencil;Otherwise false. The default value is set to true.

Examples

Below example shows how to enable the search textbox in stencil.

 <syncfusion:Stencil x:Name="stencil" Width="250" ExpandMode="All"  ShowSearchTextBox="True">
     <!--Initialize the SymbolSource-->
      <syncfusion:Stencil.SymbolSource>               
       <!--Define the SymbolCollection-->
               <syncfusion:SymbolCollection>
                 <syncfusion:NodeViewModel Key = "Basic Shapes" Name="Triangle" OffsetX="100" OffsetY="100" UnitHeight="100" UnitWidth="100"  Shape="{StaticResource Triangle}" ShapeStyle="{StaticResource nodestyle}" >
                </syncfusion:NodeViewModel>
                </syncfusion:SymbolCollection>
            </syncfusion:Stencil.SymbolSource>
        <syncfusion:Stencil.SymbolGroups>
            <syncfusion:SymbolGroups>
                <!--Separate groups based on the key-->
           <syncfusion:SymbolGroupProvider MappingName = "Key" />
          </ syncfusion:SymbolGroups>
        </syncfusion:Stencil.SymbolGroups>
      </syncfusion:Stencil>

SymbolFilterDisplayMode

Gets or sets value indicates how the SymbolGroupHeader should be displayed. The default value is set to ComboBox.

Declaration

public SymbolFilterDisplayMode SymbolFilterDisplayMode { get; set; }

Property Value

Type	Description
SymbolFilterDisplayMode

Remarks

The display mode can be either ComboBox or List

Examples

Below example shows how to enable the SymbolFilterDisplayMode as List. #MainWindow.xaml

<Window.DataContext>
<local:StencilVM></local:StencilVM>
</Window.DataContext>
 <syncfusion:Stencil x:Name="stencil" Width="250"  Title="Stencil Shapes" SymbolFilterDisplayMode="List"   SymbolFilters="{Binding Symbolfilters}" SelectedFilter="{Binding Selectedfilter}">
     <!--Initialize the SymbolSource-->
      <syncfusion:Stencil.SymbolSource>               
       <!--Define the SymbolCollection-->
               <syncfusion:SymbolCollection>
                 <syncfusion:NodeViewModel Key = "Basic Shapes" Name="Triangle" OffsetX="100" OffsetY="100" UnitHeight="100" UnitWidth="100"  Shape="{StaticResource Triangle}" ShapeStyle="{StaticResource nodestyle}" >
                </syncfusion:NodeViewModel>
                </syncfusion:SymbolCollection>
            </syncfusion:Stencil.SymbolSource>
        <syncfusion:Stencil.SymbolGroups>
            <syncfusion:SymbolGroups>
                <!--Separate groups based on the key-->
           <syncfusion:SymbolGroupProvider MappingName = "Key" />
          </ syncfusion:SymbolGroups>
        </syncfusion:Stencil.SymbolGroups>
      </syncfusion:Stencil>

#ViewModel.cs

   public class StencilVM : INotifyPropertyChanged
{
   public StencilVM()
   {
       Symbolfilters = new SymbolFilters();
       SymbolFilterProvider node1 = new SymbolFilterProvider { Content = "Basic Shapes",IsChecked=true, SymbolFilter = Filter };
       this.Symbolfilters.Add(node1);
       this.Selectedfilter = Symbolfilters[0];
   }
  //Define filtering of Symbols
   private bool Filter(SymbolFilterProvider sender, object symbol)
   {
       if (symbol is NodeViewModel)
       {
           if (sender.Content.ToString() == (symbol as NodeViewModel).Key.ToString())
               return true;
       }
       return false;
   }
   public ObservableCollection<SymbolFilterProvider> Symbolfilters { get; set; }
   public SymbolFilterProvider Selectedfilter { get; set; }
   public event PropertyChangedEventHandler PropertyChanged;
}

SymbolFilters

Gets or sets a collection used to generate the SymbolFilters in stencil.

Declaration

public SymbolFilters SymbolFilters { get; set; }

Property Value

Type	Description
SymbolFilters

Examples

Below code example shows how to define the symbol filter in the stencil

       public class StencilVM : INotifyPropertyChanged
   {
       public StencilVM()
       {
       Symbolfilters = new SymbolFilters();
       SymbolFilterProvider all = new SymbolFilterProvider { Content = "All", SymbolFilter = Filter };
       SymbolFilterProvider Node = new SymbolFilterProvider { Content = "Nodes", SymbolFilter = Filter };
       SymbolFilterProvider Con = new SymbolFilterProvider { Content = "Connector", SymbolFilter = Filter };

           this.Symbolfilters.Add(all);
           this.Symbolfilters.Add(Node);
           this.Symbolfilters.Add(Con);
           this.Selectedfilter = Symbolfilters[0];
   }

       // Define filtering of Symbols
       private bool Filter(SymbolFilterProvider sender, object symbol)
       {
           if (symbol is NodeViewModel)
           {
               if (sender.Content.ToString() == (symbol as NodeViewModel).Key.ToString())
                   return true;
   }

           if (symbol is ConnectorViewModel)
           {
               if (sender.Content.ToString() == (symbol as ConnectorViewModel).Key.ToString())
                   return true;
   }
           if (sender.Content.ToString() == "All")
           {
               return true;
   }
           return false;
   }
       public ObservableCollection<SymbolFilterProvider> Symbolfilters { get; set; }

       public SymbolFilterProvider Selectedfilter { get; set; }

       public event PropertyChangedEventHandler PropertyChanged;
   }
   }

SymbolGroups

Gets or sets a collection used to generate the SymbolGroupProvider in stencil.

Declaration

public SymbolGroups SymbolGroups { get; set; }

Property Value

Type	Description
SymbolGroups

Examples

Below example shows how to group the symbols in the stencil. #MainWindow.xaml

<stencil:Stencil Grid.Column="0" BorderThickness="1" BorderBrush="#dfdfdf" x:Name="stencil">
   <!--Initialize the SymbolSource-->
   <stencil:Stencil.SymbolSource>
   <!--Define the SymbolCollection-->
   <local:SymbolCollection>
       <syncfusion:NodeViewModel x:Name="node" UnitHeight="70" UnitWidth="100" OffsetX="100" OffsetY="100" Shape="{StaticResource Rectangle}" Key="Node">
       </syncfusion:NodeViewModel>
       <syncfusion:ConnectorViewModel SourcePoint = "100,100" TargetPoint="200,200" Key="Connector"/>
       <!--Define the DiagramElement- Group-->
       <syncfusion:GroupViewModel Key = "Group" >
           < !--Creates the Groupable Nodes-->
           <syncfusion:GroupViewModel.Nodes>
               <syncfusion:NodeCollection>
                   <syncfusion:NodeViewModel UnitHeight = "70" ID="srcnode" OffsetX="0" OffsetY="300" UnitWidth="100" Shape="{StaticResource Rectangle}"></syncfusion:NodeViewModel>
                   <syncfusion:NodeViewModel UnitHeight = "70"        ID="tarnode" OffsetX="100" OffsetY="500" UnitWidth="100" Shape="{StaticResource Rectangle}"></syncfusion:NodeViewModel>
               </syncfusion:NodeCollection>
           </syncfusion:GroupViewModel.Nodes>
           <!--Creates the Groupable Connectors-->
           <syncfusion:GroupViewModel.Connectors>
               <syncfusion:ConnectorCollection>
                   <syncfusion:ConnectorViewModel SourceNodeID = "srcnode" TargetNodeID="tarnode"/>
               </syncfusion:ConnectorCollection>
           </syncfusion:GroupViewModel.Connectors>
       </syncfusion:GroupViewModel>
   </local:SymbolCollection>
</stencil:Stencil.SymbolSource>
   <!--Initialize the SymbolGroup-->
   <stencil:Stencil.SymbolGroups>
       <stencil:SymbolGroups>
           <!--Map Symbols Using MappingName-->
           <stencil:SymbolGroupProvider MappingName = "Key" >
           </ stencil:SymbolGroupProvider>
       </stencil:SymbolGroups>
   </stencil:Stencil.SymbolGroups>
</stencil:Stencil>

#MainWindow.xaml.cs

   //Collection of Symbols
   public class SymbolCollection : ObservableCollection<object>
   {

   }

SymbolPreview

Gets or sets the preview of symbol when drag from stencil.

Declaration

public ContentPresenter SymbolPreview { get; set; }

Property Value

Type	Description
System.Windows.Controls.ContentPresenter

SymbolsDisplayMode

Gets or sets a value indicates how the symbols should be displayed in the Syncfusion.UI.Xaml.Diagram.Stencil. The default is IconsOnly.

Declaration

public SymbolsDisplayMode SymbolsDisplayMode { get; set; }

Property Value

Type	Description
SymbolsDisplayMode

SymbolSource

Gets or sets a collection used to generate the symbol in stencil.

Declaration

public object SymbolSource { get; set; }

Property Value

Type	Description
System.Object

Examples

#MainWindow.xaml

<!--Initialize the SymbolSource-->
<stencil:Stencil.SymbolSource>
    <!--Define the SymbolCollection-->
    <local:SymbolCollection>
       <Syncfusion:SymbolViewModel Symbol = "User" SymbolTemplate="{StaticResource symboltemplate}"/>
        <syncfusion:NodeViewModel x:Name="node" UnitHeight="70" UnitWidth="100" OffsetX="100" OffsetY="100" Shape="{StaticResource Rectangle}">
        </syncfusion:NodeViewModel>
        <syncfusion:ConnectorViewModel SourcePoint = "100,100" TargetPoint="200,200"/>
        <!--Define the DiagramElement- Group-->
        <syncfusion:GroupViewModel>
            <!--Creates the Groupable Nodes-->
            <syncfusion:GroupViewModel.Nodes>
                <syncfusion:NodeCollection>
                    <syncfusion:NodeViewModel UnitHeight = "70" ID="srcnode" OffsetX="0" OffsetY="300" UnitWidth="100" Shape="{StaticResource Rectangle}"> </syncfusion:NodeViewModel>
                    <syncfusion:NodeViewModel UnitHeight = "70" ID="tarnode" OffsetX="100" OffsetY="500" UnitWidth="100" Shape="{StaticResource Rectangle}"> </syncfusion:NodeViewModel>
               </syncfusion:NodeCollection>
           </syncfusion:GroupViewModel.Nodes>
           <!--Creates the Groupable Connectors-->
           <syncfusion:GroupViewModel.Connectors>
               <syncfusion:ConnectorCollection>
                   <syncfusion:ConnectorViewModel SourceNodeID = "srcnode" TargetNodeID="tarnode"/>
               </syncfusion:ConnectorCollection>
           </syncfusion:GroupViewModel.Connectors>
       </syncfusion:GroupViewModel>
   </local:SymbolCollection>
</stencil:Stencil.SymbolSource>

#MainWindow.xaml.cs

//Collection of Symbols
public class SymbolCollection : ObservableCollection<object>
{
}

Title

Gets or sets the title of the Stencil. The default title is null.

Declaration

public object Title { get; set; }

Property Value

Type	Description
System.Object

Examples

<syncfusion:Stencil x:Name="stencil" Width="250" ExpandMode="All" Title="Stencil Shapes">
     <!--Initialize the SymbolSource-->
      <syncfusion:Stencil.SymbolSource>               
       <!--Define the SymbolCollection-->
               <syncfusion:SymbolCollection>
                 <syncfusion:NodeViewModel Key = "Basic Shapes" Name="Triangle" OffsetX="100" OffsetY="100" UnitHeight="100" UnitWidth="100"  Shape="{StaticResource Triangle}" ShapeStyle="{StaticResource nodestyle}" >
                </syncfusion:NodeViewModel>
                </syncfusion:SymbolCollection>
            </syncfusion:Stencil.SymbolSource>
        <syncfusion:Stencil.SymbolGroups>
            <syncfusion:SymbolGroups>
                <!--Separate groups based on the key-->
           <syncfusion:SymbolGroupProvider MappingName = "Key" />
          </ syncfusion:SymbolGroups>
        </syncfusion:Stencil.SymbolGroups>
      </syncfusion:Stencil>

TitleTemplate

Gets or sets the title template used to display the title of the Stencil.

Declaration

public DataTemplate TitleTemplate { get; set; }

Property Value

Type	Description
System.Windows.DataTemplate

Examples

<DataTemplate x:Key="TitleTemplate">
<TextBlock Text="{Binding}" Foreground="Black" FontSize="14" ></TextBlock>
</DataTemplate>
 <syncfusion:Stencil x:Name="stencil" Width="250" ExpandMode="All" Title="Stencil Shapes" TitleTemplate="{StaticResource TitleTemplate}"  >
     <!--Initialize the SymbolSource-->
      <syncfusion:Stencil.SymbolSource>               
       <!--Define the SymbolCollection-->
               <syncfusion:SymbolCollection>
                 <syncfusion:NodeViewModel Key = "Basic Shapes" Name="Triangle" OffsetX="100" OffsetY="100" UnitHeight="100" UnitWidth="100"  Shape="{StaticResource Triangle}" ShapeStyle="{StaticResource nodestyle}" >
                </syncfusion:NodeViewModel>
                </syncfusion:SymbolCollection>
            </syncfusion:Stencil.SymbolSource>
        <syncfusion:Stencil.SymbolGroups>
            <syncfusion:SymbolGroups>
                <!--Separate groups based on the key-->
           <syncfusion:SymbolGroupProvider MappingName = "Key" />
          </ syncfusion:SymbolGroups>
        </syncfusion:Stencil.SymbolGroups>
      </syncfusion:Stencil>

Methods

CacheContextMenuforItemOverride(ContextMenu)

Store the System.Windows.Controls.ContextMenu element to stack for recycling.

Declaration

protected virtual void CacheContextMenuforItemOverride(ContextMenu view)

Parameters

Type	Name	Description
System.Windows.Controls.ContextMenu	view	Store the view instance to stack for recycling.

CacheMenuItemforItemsOverride(MenuItem)

Store the System.Windows.Controls.MenuItem element to stack for recycling.

Declaration

protected virtual void CacheMenuItemforItemsOverride(MenuItem view)

Parameters

Type	Name	Description
System.Windows.Controls.MenuItem	view	Parameter to store the menuitem instance to stack for recycling.

CanAddSymbol(String, String)

Virtual method to decide whether the symbol can be added into collection or not.

Declaration

protected virtual bool CanAddSymbol(string SymbolName, string CategoryName)

Parameters

Type	Name	Description
System.String	SymbolName	Name of the symbol.
System.String	CategoryName	Name of the symbol category.

Returns

Type	Description
System.Boolean	Returns the bool.

Remarks

This virtual method is applicable only when category collection is provided.

GetContextMenuForItemOverride()

Creates or identifies the view that is used to display the ContextMenu.

Declaration

protected virtual ContextMenu GetContextMenuForItemOverride()

Returns

Type	Description
System.Windows.Controls.ContextMenu	Returns a instance of ContextMenu.

GetMenuItemForItemsOverride()

Creates or identifies the view that is used to display the ContextMenu Item.

Declaration

protected virtual MenuItem GetMenuItemForItemsOverride()

Returns

Type	Description
System.Windows.Controls.MenuItem	Returns a instance of MenuItem.

GetSymbolForItemOverride(Object)

Creates the view that is used to represent the given symbol.

Declaration

public virtual Symbol GetSymbolForItemOverride(object item)

Parameters

Type	Name	Description
System.Object	item

Returns

Type	Description
Symbol

GetSymbolGroupForItemOverride(Object)

Creates the view that is used to represent the given symbol group.

Declaration

public virtual SymbolGroup GetSymbolGroupForItemOverride(object item)

Parameters

Type	Name	Description
System.Object	item

Returns

Type	Description
SymbolGroup

Load(Stream)

Loading the existing saved stencil from the data stream.

Declaration

public void Load(Stream stream)

Parameters

Type	Name	Description
System.IO.Stream	stream	A System.IO.Stream that contains the data for this Stencil.

OnApplyTemplate()

When overridden in a derived class, is invoked whenever application code or internal processes call System.Windows.FrameworkElement.ApplyTemplate.

Declaration

public override void OnApplyTemplate()

OnCreateAutomationPeer()

Declaration

protected override AutomationPeer OnCreateAutomationPeer()

Returns

Type	Description
System.Windows.Automation.Peers.AutomationPeer

OnSymbolsLoaded(SymbolsLoadedEventArgs)

Invokd when symbols are loaded into stencil.

Declaration

public void OnSymbolsLoaded(SymbolsLoadedEventArgs args)

Parameters

Type	Name	Description
SymbolsLoadedEventArgs	args	Data for loaded symbols.

PrepareDragDropPreview()

Method to customize the preview of symbol while dropping.

Declaration

protected virtual void PrepareDragDropPreview()

PrepareSymbolViewModel(Object, String, String)

Virtual method to override the default category collection, customize the symbol and its values.

Declaration

protected virtual object PrepareSymbolViewModel(object Item, string SymbolName, string CategoryName)

Parameters

Type	Name	Description
System.Object	Item	Symbol of the collection
System.String	SymbolName	Name of the symbol
System.String	CategoryName	name of the symnol category

Returns

Type	Description
System.Object	Returns the symbol of the collection

Remarks

This virtual method is applicable only when category collection is provided.

Save(Stream)

Saves this Stencil to the specified stream.

Declaration

public void Save(Stream stream)

Parameters

Type	Name	Description
System.IO.Stream	stream	The Stream where the stencil will be saved..

SearchSymbol(String)

Search a specific symbol in stencil.

Declaration

public void SearchSymbol(string str)

Parameters

Type	Name	Description
System.String	str	Symbol key.

Events

Collapsed

Occurs when collapse the symbol group.

Declaration

public event SymbolGroupCollapseEventHandler Collapsed

Event Type

Type	Description
SymbolGroupCollapseEventHandler

Expanded

Occurs when expand the symbol group.

Declaration

public event SymbolGroupExpandEventHandler Expanded

Event Type

Type	Description
SymbolGroupExpandEventHandler

ItemAdding

Occurs before an item is added to the Stencil.

Declaration

public event ItemAddingEventHandler ItemAdding

Event Type

Type	Description
ItemAddingEventHandler

ItemDeleting

Occurs before an item is deleted from the Stencil.

Declaration

public event ItemDeletingEventHandler ItemDeleting

Event Type

Type	Description
ItemDeletingEventHandler

MenuItemClicked

Occurs when a menu item is clicked.

Declaration

public event MenuItemClickedEventHander MenuItemClicked

Event Type

Type	Description
MenuItemClickedEventHander

MenuOpening

Occurs when any context menu on the element is opened.

Declaration

public event MenuOpeningEventHandler MenuOpening

Event Type

Type	Description
MenuOpeningEventHandler

SelectionChanged

Occurs when the selection changes (new items are selected, or currently selected items are unselected).

Declaration

public event SelectionChangedEventHandler SelectionChanged

Event Type

Type	Description
SelectionChangedEventHandler

SymbolsLoaded

Occurs when the symbol is laid out, rendered, and ready for interaction

Declaration

public event SymbolsLoadedEventHandler SymbolsLoaded

Event Type

Type	Description
SymbolsLoadedEventHandler

WPF- v20.2.0.43

Class Stencil

Inheritance

Namespace: Syncfusion.UI.Xaml.Diagram.Stencil

Assembly: Syncfusion.SfDiagram.WPF.dll

Syntax

Constructors

Stencil()

Declaration

Fields

CategoriesProperty

Declaration

Field Value

ConstraintsProperty

Declaration

Field Value

DiagramThemeProperty

Declaration

Field Value

DisplayModeProperty

Declaration

Field Value

ExpandModeProperty

Declaration

Field Value

HeaderVisibilityProperty

Declaration

Field Value

ItemAddingCommandProperty

Declaration

Field Value

ItemDeletingCommandProperty

Declaration

Field Value

MenuItemClickedCommandProperty

Declaration

Field Value

MenuOpeningCommandProperty

Declaration

Field Value

MenuProperty

Declaration

Field Value

SelectedFilterProperty

Declaration

Field Value

SelectedItemsProperty

Declaration

Field Value

SelectedSymbolProperty

Declaration

Field Value

SelectionChangedCommandProperty

Declaration

Field Value

ShowDisplayModeToggleButtonProperty

Declaration

Field Value

ShowSearchTextBoxProperty

Declaration

Field Value

SymbolFilterDisplayModeProperty

Declaration

Field Value

SymbolFiltersProperty

Declaration

Field Value

SymbolGroupProperty

Declaration

Field Value

SymbolGroupsProperty

Declaration

Field Value

SymbolPreviewProperty

Declaration

Field Value

SymbolsDisplayModeProperty

Declaration

Field Value

SymbolSourceProperty