The DataGrid gets datagridrow and DataGridColumn

1 /* ----------------------------------------------------------2 file name: DataGridPlus.cs3 4 Qin Jianhui5 6 Msn:[email protected]7 qq:367488978 9 Blog:Http://blog.csdn.net/jhqinTen  One Development Environment: A Visual Studio V2010 - . NET Framework 4 Client profile -  the Version history: - V1.0 June 07, 2012 - WPF DataGrid Control extension Method -  + References: -     http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/b7299e55-92e2-4a6b-8987-869fef8f22eb/ + ------------------------------------------------------------ */ A usingSystem.Windows.Controls; at usingSystem.Windows.Controls.Primitives; - usingSystem.Windows.Media; -  - namespaceSPLASH.WPF - { -      Public Static classDatagridplus in     { -         /// <summary> to         ///get the DataGrid control cell +         /// </summary> -         /// <param name= "DataGrid" >DataGrid Control</param> the         /// <param name= "RowIndex" >the line number where the cell is located</param> *         /// <param name= "ColumnIndex" >the column number where the cell is located</param> $         /// <returns>the specified cell</returns>Panax Notoginseng          Public StaticDataGridCell Getcell ( ThisDataGrid DataGrid,intRowIndex,intcolumnindex) -         { theDataGridRow Rowcontainer =Datagrid.getrow (rowIndex); +             if(Rowcontainer! =NULL) A             { theDatagridcellspresenter presenter = getvisualchild<datagridcellspresenter>(Rowcontainer); +DataGridCell cell =(DataGridCell) presenter. Itemcontainergenerator.containerfromindex (columnindex); -                 if(Cell = =NULL) $                 { $ Datagrid.scrollintoview (Rowcontainer, Datagrid.columns[columnindex]); -Cell =(DataGridCell) presenter. Itemcontainergenerator.containerfromindex (columnindex); -                 } the                 returncell; -             }Wuyi             return NULL; the         } -  Wu         /// <summary> -         ///get row of DataGrid About         /// </summary> $         /// <param name= "DataGrid" >DataGrid Control</param> -         /// <param name= "RowIndex" >DataGrid Row Number</param> -         /// <returns>the specified line number</returns> -          Public StaticDataGridRow GetRow ( ThisDataGrid DataGrid,intRowIndex) A         { +DataGridRow Rowcontainer =(DataGridRow) DataGrid.ItemContainerGenerator.ContainerFromIndex (rowIndex); the             if(Rowcontainer = =NULL) -             { $ datagrid.updatelayout (); the Datagrid.scrollintoview (Datagrid.items[rowindex]); theRowcontainer =(DataGridRow) DataGrid.ItemContainerGenerator.ContainerFromIndex (rowIndex); the             } the             returnRowcontainer; -         } in  the         /// <summary> the         ///gets a child visual of the first specified type in the parent visual object About         /// </summary> the         /// <typeparam name= "T" >visual Object Type</typeparam> the         /// <param name= "parent" >Parent Visual Object</param> the         /// <returns>the first child visual object of the specified type</returns> +          Public StaticT getvisualchild<t> (Visual parent)wheret:visual -         { theT Child =default(T);Bayi             intNumvisuals =Visualtreehelper.getchildrencount (parent); the              for(inti =0; i < numvisuals; i++) the             { -Visual v =(Visual) visualtreehelper.getchild (parent, i); -Child = V asT; the                 if(Child = =NULL) the                 { theChild = getvisualchild<t>(v); the                 } -                 if(Child! =NULL) the                 { the                      Break; the                 }94             } the             returnChild ; the         } the     }98}

The DataGrid gets datagridrow and DataGridColumn