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85 lines
5.9 KiB
Markdown
85 lines
5.9 KiB
Markdown
---
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title: "How to: Manipulate a Table's Row Groups through the RowGroups Property"
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ms.date: "03/30/2017"
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dev_langs:
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- "csharp"
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- "vb"
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helpviewer_keywords:
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- "row groups [WPF], manipulating through RowGroups property"
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- "RowGroups property [WPF], manipulating row groups"
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- "documents [WPF], manipulating row groups through RowGroups property"
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- "properties [WPF], RowGroups [WPF], manipulating row groups"
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ms.assetid: ea61440f-08ae-44ed-b314-5716aaaae3ed
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---
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# How to: Manipulate a Table's Row Groups through the RowGroups Property
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This example demonstrates some of the more common operations that can be performed on a table's row groups through the <xref:System.Windows.Documents.Table.RowGroups%2A> property.
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## Example
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The following example creates a new table and then uses the <xref:System.Windows.Documents.TableRowGroupCollection.Add%2A> method to add columns to the table's <xref:System.Windows.Documents.Table.RowGroups%2A> collection.
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[!code-csharp[TableSnippets2#_Table_RowGroups_Add](~/samples/snippets/csharp/VS_Snippets_Wpf/TableSnippets2/CSharp/Window1.xaml.cs#_table_rowgroups_add)]
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[!code-vb[TableSnippets2#_Table_RowGroups_Add](~/samples/snippets/visualbasic/VS_Snippets_Wpf/TableSnippets2/visualbasic/window1.xaml.vb#_table_rowgroups_add)]
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## Example
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The following example inserts a new <xref:System.Windows.Documents.TableRowGroup>. The new column is inserted at index position 0, making it the new first row group in the table.
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> [!NOTE]
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> The <xref:System.Windows.Documents.TableRowGroupCollection> collection uses standard zero-based indexing.
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[!code-csharp[TableSnippets2#_Table_RowGroups_Insert](~/samples/snippets/csharp/VS_Snippets_Wpf/TableSnippets2/CSharp/Window1.xaml.cs#_table_rowgroups_insert)]
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[!code-vb[TableSnippets2#_Table_RowGroups_Insert](~/samples/snippets/visualbasic/VS_Snippets_Wpf/TableSnippets2/visualbasic/window1.xaml.vb#_table_rowgroups_insert)]
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## Example
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The following example adds several rows to a particular <xref:System.Windows.Documents.TableRowGroup> (specified by index) in the table.
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[!code-csharp[TableSnippets2#_Table_RowGroups_AddRows](~/samples/snippets/csharp/VS_Snippets_Wpf/TableSnippets2/CSharp/Window1.xaml.cs#_table_rowgroups_addrows)]
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[!code-vb[TableSnippets2#_Table_RowGroups_AddRows](~/samples/snippets/visualbasic/VS_Snippets_Wpf/TableSnippets2/visualbasic/window1.xaml.vb#_table_rowgroups_addrows)]
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## Example
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The following example accesses some arbitrary properties on rows in the first row group in the table.
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[!code-csharp[TableSnippets2#_Table_RowGroups_ManipRows](~/samples/snippets/csharp/VS_Snippets_Wpf/TableSnippets2/CSharp/Window1.xaml.cs#_table_rowgroups_maniprows)]
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[!code-vb[TableSnippets2#_Table_RowGroups_ManipRows](~/samples/snippets/visualbasic/VS_Snippets_Wpf/TableSnippets2/visualbasic/window1.xaml.vb#_table_rowgroups_maniprows)]
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## Example
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The following example adds several cells to a particular <xref:System.Windows.Documents.TableRow> (specified by index) in the table.
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[!code-csharp[TableSnippets2#_Table_RowGroups_AddCells](~/samples/snippets/csharp/VS_Snippets_Wpf/TableSnippets2/CSharp/Window1.xaml.cs#_table_rowgroups_addcells)]
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[!code-vb[TableSnippets2#_Table_RowGroups_AddCells](~/samples/snippets/visualbasic/VS_Snippets_Wpf/TableSnippets2/visualbasic/window1.xaml.vb#_table_rowgroups_addcells)]
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## Example
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The following example access some arbitrary methods and properties on cells in the first row in the first row group.
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[!code-csharp[TableSnippets2#_Table_RowGroups_ManipCells](~/samples/snippets/csharp/VS_Snippets_Wpf/TableSnippets2/CSharp/Window1.xaml.cs#_table_rowgroups_manipcells)]
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[!code-vb[TableSnippets2#_Table_RowGroups_ManipCells](~/samples/snippets/visualbasic/VS_Snippets_Wpf/TableSnippets2/visualbasic/window1.xaml.vb#_table_rowgroups_manipcells)]
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## Example
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The following example returns the number of <xref:System.Windows.Documents.TableRowGroup> elements hosted by the table.
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[!code-csharp[TableSnippets2#_Table_RowGroups_Count](~/samples/snippets/csharp/VS_Snippets_Wpf/TableSnippets2/CSharp/Window1.xaml.cs#_table_rowgroups_count)]
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[!code-vb[TableSnippets2#_Table_RowGroups_Count](~/samples/snippets/visualbasic/VS_Snippets_Wpf/TableSnippets2/visualbasic/window1.xaml.vb#_table_rowgroups_count)]
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## Example
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The following example removes a particular row group by reference.
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[!code-csharp[TableSnippets2#_Table_RowGroups_DelRef](~/samples/snippets/csharp/VS_Snippets_Wpf/TableSnippets2/CSharp/Window1.xaml.cs#_table_rowgroups_delref)]
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[!code-vb[TableSnippets2#_Table_RowGroups_DelRef](~/samples/snippets/visualbasic/VS_Snippets_Wpf/TableSnippets2/visualbasic/window1.xaml.vb#_table_rowgroups_delref)]
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## Example
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The following example removes a particular row group by index.
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[!code-csharp[TableSnippets2#_Table_RowGroups_DelIndex](~/samples/snippets/csharp/VS_Snippets_Wpf/TableSnippets2/CSharp/Window1.xaml.cs#_table_rowgroups_delindex)]
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[!code-vb[TableSnippets2#_Table_RowGroups_DelIndex](~/samples/snippets/visualbasic/VS_Snippets_Wpf/TableSnippets2/visualbasic/window1.xaml.vb#_table_rowgroups_delindex)]
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## Example
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The following example removes all row groups from the table's row groups collection.
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[!code-csharp[TableSnippets2#_Table_RowGroups_Clear](~/samples/snippets/csharp/VS_Snippets_Wpf/TableSnippets2/CSharp/Window1.xaml.cs#_table_rowgroups_clear)]
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[!code-vb[TableSnippets2#_Table_RowGroups_Clear](~/samples/snippets/visualbasic/VS_Snippets_Wpf/TableSnippets2/visualbasic/window1.xaml.vb#_table_rowgroups_clear)]
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## See also
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- [How-to: Manipulate Flow Content Elements through the Inlines Property](how-to-manipulate-table-row-groups-through-the-rowgroups-property.md)
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- [Manipulate a FlowDocument through the Blocks Property](how-to-manipulate-a-flowdocument-through-the-blocks-property.md)
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- [Manipulate a Table's Columns through the Columns Property](how-to-manipulate-table-columns-through-the-columns-property.md)
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