RaisedForCustomFilterSelectionControl プロパティ (RecordFilterDropDownOpeningEventArgs)

ユーザーがカスタム フィルター選択のコントロールでフィルター ドロップダウンをドロップダウンした時に、このイベントが発生した場合は、True を返します。

シンタックス

Visual Basic

'宣言
 
Public ReadOnly Property RaisedForCustomFilterSelectionControl As Boolean

C#

public bool RaisedForCustomFilterSelectionControl {get;}

解説

フィールドのフィルター ドロップダウンとカスタム フィルター選択のコントロールのフィルター ドロップダウンに別の項目を表示する必要がある場合は、それを使用します。

使用例

Visual Basic

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

    Private Sub Dp_RecordFilterDropDownOpening(ByVal sender As Object, ByVal e As RecordFilterDropDownOpeningEventArgs)
        ' Field property returns the field for which the filter drop-down is opening.
        Dim field As Field = e.Field

        ' RecordManager property returns the record manager associated with the data
        ' records that are being filtered. This is especially pertinent with hierarchical
        ' data source where multiple child data record collections exist. This lets
        ' you know for which data record collection the filter drop-down is being dropped
        ' down.
        Dim recordManager As RecordManager = e.RecordManager

        ' RaisedForCustomFilterSelectionControl property indicates if the drop-down is 
        ' being opened inside the custom filter dialog or within the data presenter itself.
        Dim isRaisedFromWithinCustomFilterDialog As Boolean = e.RaisedForCustomFilterSelectionControl

        ' DropDownItems property returns items that will be displayed in the drop-down.
        ' You can manipulate the list and add your own items to it or remove existing 
        ' items from it.
        Dim dropDownItems As ObservableCollection(Of FilterDropDownItem) = e.DropDownItems

        Debug.WriteLine("Record filter drop-down is opening for field " & field.Name)
    End Sub

C#

using Infragistics.Windows;
using Infragistics.Windows.Controls;
using Infragistics.Windows.Editors;
using Infragistics.Windows.DataPresenter;
using Infragistics.Windows.DataPresenter.Events;

		private void dp_RecordFilterDropDownOpening( object sender, RecordFilterDropDownOpeningEventArgs e )
		{
			// Field property returns the field for which the filter drop-down is opening.
			Field field = e.Field;

			// RecordManager property returns the record manager associated with the data
			// records that are being filtered. This is especially pertinent with hierarchical
			// data source where multiple child data record collections exist. This lets
			// you know for which data record collection the filter drop-down is being dropped
			// down.
			RecordManager recordManager = e.RecordManager;

			// RaisedForCustomFilterSelectionControl property indicates if the drop-down is 
			// being opened inside the custom filter dialog or within the data presenter itself.
			bool isRaisedFromWithinCustomFilterDialog = e.RaisedForCustomFilterSelectionControl;

			// DropDownItems property returns items that will be displayed in the drop-down.
			// You can manipulate the list and add your own items to it or remove existing 
			// items from it.
			ObservableCollection<FilterDropDownItem> dropDownItems = e.DropDownItems;

			Debug.WriteLine( "Record filter drop-down is opening for field " + field.Name );
		}

XAML

        <igDP:XamDataGrid x:Name="_dp" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"
                                            RecordFilterDropDownOpening="dp_RecordFilterDropDownOpening"
                                        >

            <igDP:XamDataGrid.FieldSettings>
                <!--Set AllowRecordFiltering to enable filter-record.-->
                <igDP:FieldSettings AllowRecordFiltering="true" />
            </igDP:XamDataGrid.FieldSettings>
            
        </igDP:XamDataGrid>