Xceed DataGrid for WPF v7.2 Documentation
GetCellEditorContext Method
Example 


Xceed.Wpf.DataGrid Assembly > Xceed.Wpf.DataGrid Namespace > Cell Class : GetCellEditorContext Method
The dependency object form which the property value is read.
Gets the value of the CellEditorContext attached property for the specified dependency object.
Syntax
'Declaration
 
Public Shared Function GetCellEditorContext( _

   ByVal obj As DependencyObject _

) As CellEditorContext
'Usage
 
Dim obj As DependencyObject

Dim value As CellEditorContext

 

value = Cell.GetCellEditorContext(obj)
public static CellEditorContext GetCellEditorContext( 

   DependencyObject obj

)

Parameters

obj
The dependency object form which the property value is read.

Return Value

The CellEditorContext property value for the dependency object.
Remarks
Whether a foreign key constraint or enum is automatically detected or manually provided, the end result is that a ComboBox is used to edit the content of the corresponding cell unless a cell editor has been explicitly provided, in which case, the provided cell editor will be used. Cell editors that are created to edit foreign key constraints can access information about their parent column, such as the CellContentTemplate to use, through the CellEditorContext attached property (see Example).
Example
<xcdg:Column.CellEditor>

  <!-- ForeignKey CellEditor -->

  <xcdg:CellEditor >

     <xcdg:CellEditor.EditTemplate>

        <DataTemplate>

           <DataTemplate.Resources>

              <xcdg:NullToBooleanConverter x:Key="nullToBooleanConverter" />

           </DataTemplate.Resources>

           

           <ListBox x:Name="fkListBox"

                     xcdg:Cell.IsCellFocusScope="True"

                     ItemTemplate="{Binding RelativeSource={RelativeSource Self},

                                            Path=(xcdg:Cell.CellEditorContext).ParentColumn.CellContentTemplate, Mode=OneWay}"

                     ItemContainerStyle="{Binding RelativeSource={RelativeSource Self},

                                                  Path=(xcdg:Cell.CellEditorContext).ForeignKeyConfiguration.ItemContainerStyle, Mode=OneWay}"

                     ItemsSource="{Binding RelativeSource={RelativeSource Self},

                                           Path=(xcdg:Cell.CellEditorContext).ForeignKeyConfiguration.ItemsSource, Mode=OneWay}"

                     SelectedValuePath="{Binding RelativeSource={RelativeSource Self},

                                                 Path=(xcdg:Cell.CellEditorContext).ForeignKeyConfiguration.ValuePath, Mode=OneWay}"

                     DisplayMemberPath="{Binding RelativeSource={RelativeSource Self},

                                                 Path=(xcdg:Cell.CellEditorContext).ForeignKeyConfiguration.DisplayMemberPath, Mode=OneWay}"

                     SelectedValue="{xcdg:CellEditorBinding}" />

           <!-- Only affect Selector if Template or Style is null -->

           <DataTemplate.Triggers>

              <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self},

                                             Path=(xcdg:Cell.CellEditorContext).ParentColumn.CellContentTemplate,

                                             Converter={StaticResource nullToBooleanConverter},

                                             Mode=OneWay}"

                           Value="True">

                 <Setter TargetName="fkListBox"

                         Property="ItemTemplateSelector"

                         Value="{Binding RelativeSource={RelativeSource Self},

                                         Path=(xcdg:Cell.CellEditorContext).ParentColumn.CellContentTemplateSelector,

                                         Mode=OneWay}" />

              </DataTrigger>

              <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self},

                                             Path=(xcdg:Cell.CellEditorContext).ForeignKeyConfiguration.ItemContainerStyle,

                                             Converter={StaticResource nullToBooleanConverter},

                                             Mode=OneWay}"

                           Value="True">

                 <Setter TargetName="fkListBox"

                         Property="ItemContainerStyleSelector"

                         Value="{Binding RelativeSource={RelativeSource Self},

                                         Path=(xcdg:Cell.CellEditorContext).ForeignKeyConfiguration.ItemContainerStyleSelector,

                                         Mode=OneWay}" />

              </DataTrigger>

           </DataTemplate.Triggers>

        </DataTemplate>

     </xcdg:CellEditor.EditTemplate>

  </xcdg:CellEditor>

</xcdg:Column.CellEditor>
Requirements

Target Platforms: Windows 11, Windows, 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

Cell Class
Cell Members

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