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RecordFilterScope プロパティ

子フィールド レイアウトのレコード フィルタリングはフィールド レイアウト レベルにするのか、固有レコード コレクション レベルにするのかを決定します。Default は SiblingDataRecords に解決されます。
シンタックス
'宣言
 
Public Property RecordFilterScope As RecordFilterScope
public RecordFilterScope RecordFilterScope {get; set;}
解説

RecordFilterScope プロパティは、レコード フィルタリングがフィールド レイアウト レベルまたは固有レコード コレクション レベルのかどちらにするかを決定します。子フィールド レイアウトのみに影響します。このプロパティを AllRecords に設定する場合は、ユーザーがフィルター条件を入れた時に、フィールド レイアウトに関連付けられるすべてのレコードをこのフィルターに適用します。プロパティを SiblingDataRecords に設定した場合、フィルター条件は特定なレコード コレクションのデータ レコードにのみに適用します。Default は SiblingDataRecords に解決されます。

注: このプロパティは、コードでのフィルター条件の指定方法に影響を与えます。このプロパティを AllRecords に設定した場合は、FieldLayout の RecordFilters プロパティを使用しなければなりません。このプロパティを SiblingDataRecords に設定した場合は、RecordManager の RecordManager.RecordFilters を使用しなければなりません。

使用例
The following sample code shows how you can specify record filters in code. It adds record filter criteria to root records and also child records, which is only applicable if you have hierarchical data source.

Imports Infragistics.Windows
Imports Infragistics.Windows.Controls
Imports Infragistics.Windows.Editors
Imports Infragistics.Windows.DataPresenter

    Private Sub Window1_Loaded(ByVal sender As Object, ByVal e As RoutedEventArgs)
        
        Dim fieldLayout As FieldLayout = _dp.FieldLayouts(0)

        ' Create a new RecordFilter for 'Country' field.
        Dim filter As RecordFilter = New RecordFilter()
        filter.FieldName = "Country"
        filter.Conditions.Add(New ComparisonCondition(ComparisonOperator.Equals, "US"))

        ' Add the RecordFilter to field layout's RecordFilters collection.
        fieldLayout.RecordFilters.Add(filter)

        ' If you have hierarchical data source then you can also filter child records.
        ' Create a RecordFilter that filters the child records.
        filter = New RecordFilter()
        filter.FieldName = "Product"
        filter.Conditions.Add(New ComparisonCondition(ComparisonOperator.Equals, "A"))

        ' Now add the filter. For child field layouts, each individual parent
        ' record's child records can be filtered independently. That is one parent
        ' record's child records can have different filter criteria from another
        ' parent record's child records. This is the default mode of filtering. You
        ' can change it by setting RecordFilterScope property to AllRecords in which
        ' case all child records in the child field layout are affected by the
        ' filter. However depending on the mode, the place where you specify the
        ' filter criteria is different. For the default SiblingDataRecords mode, you
        ' need to specify the filter criteria on RecordFilters property of the child
        ' RecordManager of a parent record. For the AllRecords mode, use the child
        ' FieldLayout's RecordFilters property. Note that the root field layout
        ' doesn't support SiblingDataRecords mode since it doesn't have multiple
        ' record collections and therefore for the root field layout, always use the
        ' field layout's RecordFilters property.
        ' 
        Dim childDataRecordsManager As RecordManager = _dp.RecordManager.Unsorted(0).ChildRecords(0).ChildRecordManager
        Dim childFieldLayout As FieldLayout = _dp.FieldLayouts(1)
        childFieldLayout.Settings.RecordFilterScope = RecordFilterScope.AllRecords
        If RecordFilterScope.AllRecords = childFieldLayout.Settings.RecordFilterScope Then
            ' When using AllRecords mode, use the field layout's RecordFilters.
            childFieldLayout.RecordFilters.Add(filter)
        Else
            ' When using SiblingDataRecords, use the child RecordManager's RecordFilters.
            childDataRecordsManager.RecordFilters.Add(filter)
        End If

    End Sub
using Infragistics.Windows;
using Infragistics.Windows.Controls;
using Infragistics.Windows.Editors;
using Infragistics.Windows.DataPresenter;

		public void Window1_Loaded( object sender, RoutedEventArgs e )
		{
			FieldLayout fieldLayout = _dp.FieldLayouts[0];

			// Create a new RecordFilter for 'Country' field.
			RecordFilter filter = new RecordFilter( );
			filter.FieldName = "Country";
			filter.Conditions.Add( new ComparisonCondition( ComparisonOperator.Equals, "US" ) );

			// Add the RecordFilter to field layout's RecordFilters collection.
			fieldLayout.RecordFilters.Add( filter );

			// If you have hierarchical data source then you can also filter child records.
			// Create a RecordFilter that filters the child records.
			filter = new RecordFilter( );
			filter.FieldName = "Product";
			filter.Conditions.Add( new ComparisonCondition( ComparisonOperator.Equals, "A" ) );

			// Now add the filter. For child field layouts, each individual parent
			// record's child records can be filtered independently. That is one parent
			// record's child records can have different filter criteria from another
			// parent record's child records. This is the default mode of filtering. You
			// can change it by setting RecordFilterScope property to AllRecords in which
			// case all child records in the child field layout are affected by the
			// filter. However depending on the mode, the place where you specify the
			// filter criteria is different. For the default SiblingDataRecords mode, you
			// need to specify the filter criteria on RecordFilters property of the child
			// RecordManager of a parent record. For the AllRecords mode, use the child
			// FieldLayout's RecordFilters property. Note that the root field layout
			// doesn't support SiblingDataRecords mode since it doesn't have multiple
			// record collections and therefore for the root field layout, always use the
			// field layout's RecordFilters property.
			// 
			RecordManager childDataRecordsManager = _dp.RecordManager.Unsorted[0].ChildRecords[0].ChildRecordManager; 
			FieldLayout childFieldLayout = _dp.FieldLayouts[1];
			childFieldLayout.Settings.RecordFilterScope = RecordFilterScope.AllRecords;
			if ( RecordFilterScope.AllRecords == childFieldLayout.Settings.RecordFilterScope )
			{
				// When using AllRecords mode, use the field layout's RecordFilters.
				childFieldLayout.RecordFilters.Add( filter );
			}
			else
			{
				// When using SiblingDataRecords, use the child RecordManager's RecordFilters.
				childDataRecordsManager.RecordFilters.Add( filter );
			}
		}
        <igDP:XamDataGrid x:Name="_dp" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" >

            <igDP:XamDataGrid.FieldLayouts>
                
                <!--Set filter on root field layout-->
                <igDP:FieldLayout IsDefault="true">
                    <igDP:FieldLayout.Fields>
                        <igDP:Field Name="ID" />
                        <igDP:Field Name="Country" />
                    </igDP:FieldLayout.Fields>
                    
                    <!--Set filter where records with Country=US will be displayed-->
                    <igDP:FieldLayout.RecordFilters>
                        <igDP:RecordFilter FieldName="Country">
                            <igWindows:ComparisonCondition Operator="Equals" Value="US" />
                        </igDP:RecordFilter>
                    </igDP:FieldLayout.RecordFilters>
                    
                </igDP:FieldLayout>

                <!--Set filter on a child field layout. Only applicable if you have hierarchical data source.-->
                <igDP:FieldLayout>
                    <igDP:FieldLayout.Fields>
                        <igDP:Field Name="ID" />
                        <igDP:Field Name="Product" />
                    </igDP:FieldLayout.Fields>

                    <!--For child field layouts, you need to set the RecordFilterScope to AllRecords in order to
                    specify filters on the FieldLayout's RecordFilters.-->
                    <igDP:FieldLayout.Settings>
                        <igDP:FieldLayoutSettings RecordFilterScope="AllRecords" />
                    </igDP:FieldLayout.Settings>

                    <!--Set filter where records with Product that starts with 'A' will be displayed.-->
                    <igDP:FieldLayout.RecordFilters>
                        <igDP:RecordFilter FieldName="Product">
                            <igWindows:ComparisonCondition Operator="StartsWith" Value="A" />
                        </igDP:RecordFilter>
                    </igDP:FieldLayout.RecordFilters>

                </igDP:FieldLayout>
                
            </igDP:XamDataGrid.FieldLayouts>
            
        </igDP:XamDataGrid>
参照