Common_Form.cs 2.0 KB

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  1. using System;
  2. using System.Windows;
  3. using System.Windows.Controls;
  4. using System.Windows.Media;
  5. namespace SAGA.RevitUtils
  6. {
  7. public class CommonForm
  8. {
  9. /// <summary>
  10. /// 获取父可视对象中第一个指定类型的子可视对象(用于获取DataGrid单元格)
  11. /// </summary>
  12. /// <typeparam name="T">可视对象类型</typeparam>
  13. /// <param name="parent">父可视对象</param>
  14. /// <returns>第一个指定类型的子可视对象</returns>
  15. public static T GetVisualChild<T>(Visual parent) where T : Visual
  16. {
  17. T child = default(T);
  18. int numVisuals = VisualTreeHelper.GetChildrenCount(parent);
  19. for (int i = 0; i < numVisuals; i++)
  20. {
  21. Visual v = (Visual)VisualTreeHelper.GetChild(parent, i);
  22. child = v as T;
  23. if (child == null)
  24. {
  25. child = GetVisualChild<T>(v);
  26. }
  27. if (child != null)
  28. {
  29. break;
  30. }
  31. }
  32. return child;
  33. }
  34. /// <summary>
  35. /// 通过名称获取DataGrid模板列中的指定控件
  36. /// </summary>
  37. public static object FindName(System.Windows.Controls.DataGrid myDataGrid, int columnIndex, int rowIndex, string controlName)
  38. {
  39. object obj = null;
  40. try
  41. {
  42. FrameworkElement item = myDataGrid.Columns[columnIndex].GetCellContent(myDataGrid.Items[rowIndex]);
  43. if (item == null) //窗体Load时调用item为空
  44. {
  45. return null;
  46. }
  47. DataGridTemplateColumn temp = (myDataGrid.Columns[columnIndex] as DataGridTemplateColumn);
  48. obj = temp.CellTemplate.FindName(controlName, item);
  49. }
  50. catch (Exception ex)
  51. {
  52. MessageBox.Show(ex.Message);
  53. }
  54. return obj;
  55. }
  56. }
  57. }