WPF: Get the DataGrid control cell DataGridCell

2. Reprint: http://blog.csdn.net/jhqin/article/details/7645357
4. /* ----------------------------------------------------------
6. File name: DataGridPlus.cs
10. Qin Jianhui
14. Msn:[email protected]
16. qq:36748897
20. Blog: http://blog.csdn.net/jhqin
24. Development environment:
26. Visual Studio V2010
28. . NET Framework 4 Client profile
32. Version history:
34. V1.0 June 07, 2012
36. WPF DataGrid Control Extension method
40. Resources:
42. http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/b7299e55-92e2-4a6b-8987-869fef8f22eb/
44. ------------------------------------------------------------ */
46. Using System.Windows.Controls;
48. Using System.Windows.Controls.Primitives;
50. Using System.Windows.Media;
54. Namespace SPLASH.WPF
56. {
58. public static class Datagridplus
60. {
62. // <summary>
64. /// Get the DataGrid control cell
66. // </summary>
68. /// <param name= "DataGrid" >datagrid controls </param>
70. /// <param name= "RowIndex" > Cell line number </param>
72. /// <param name= "ColumnIndex" > the column number where the cell is located </param>
74. /// <returns> designated cells </returns>
76. public static DataGridCell Getcell (thisdatagrid datagrid, int rowIndex, int columnindex)
78. {
80. DataGridRow Rowcontainer = Datagrid.getrow (RowIndex);
82. if (rowcontainer! = null)
84. {
86. Datagridcellspresenter presenter = getvisualchild<datagridcellspresenter> (Rowcontainer);
88. DataGridCell cell = (DataGridCell) presenter. Itemcontainergenerator.containerfromindex (columnindex);
90. if (cell = = null)
92. {
94. Datagrid.scrollintoview (Rowcontainer, Datagrid.columns[columnindex]);
96. Cell = (DataGridCell) presenter. Itemcontainergenerator.containerfromindex (columnindex);
98. }
100. return cell;
102. }
104. return null;
106. }
110. // <summary>
112. /// get the row for the DataGrid
114. // </summary>
116. /// <param name= "DataGrid" >datagrid controls </param>
118. /// <param name= "RowIndex" >datagrid line number </param>
120. /// <returns> specified line number </returns>
122. public static DataGridRow GetRow (thisdatagrid datagrid, int rowIndex)
124. {
126. DataGridRow Rowcontainer = (datagridrow) dataGrid.ItemContainerGenerator.ContainerFromIndex (RowIndex);
128. if (Rowcontainer = = null)
130. {
132. Datagrid.updatelayout ();
134. Datagrid.scrollintoview (Datagrid.items[rowindex]);
136. Rowcontainer = (datagridrow) dataGrid.ItemContainerGenerator.ContainerFromIndex (RowIndex);
138. }
140. return rowcontainer;
142. }
146. // <summary>
148. /// Gets a child visual of the first specified type in the parent visual object
150. // </summary>
152. // <typeparam name= "T" > Visual object Type </typeparam>
154. /// <param name= "Parent" > Parents visual </param>
156. /// <returns> First child visual object of the specified type </returns>
158. public static T getvisualchild<t> (Visual parent) where T:visual
160. {
162. T child = default (t);
164. int numvisuals = Visualtreehelper.getchildrencount (parent);
166. For (int i = 0; i < numvisuals; i++)
168. {
170. Visual V = (visual) visualtreehelper.getchild (parent, I);
172. Child = V as T;
174. if (child = = null)
176. {
178. Child = getvisualchild<t> (v);
180. }
182. if (child! = null)
184. {
186. Break ;
188. }
190. }
192. return child;
194. }
196. }
198. }

WPF: Get the DataGrid control cell DataGridCell