Grid Draw Border

  Public classGridhelper {//Note: The following three pieces of code can be generated by Propa this shortcut         Public Static BOOLgetshowborder (DependencyObject obj) {return(BOOL) obj.        GetValue (Showborderproperty); }         Public Static voidSetshowborder (DependencyObject obj,BOOLvalue) {obj.        SetValue (showborderproperty, value); }         Public Static ReadOnlyDependencyProperty Showborderproperty =dependencyproperty.registerattached ("Showborder",typeof(BOOL),typeof(Gridhelper),NewPropertyMetadata (onshowborderchanged)); //This is an event handler that needs to be written manually and must be a static method        Private Static voidonshowborderchanged (DependencyObject D, DependencyPropertyChangedEventArgs e) {varGrid = d asGrid; if((BOOL) {e.oldvalue) {grid. Loaded-= (s, arg) = = { }; }            if((BOOL) {e.newvalue) {grid. Loaded+ = (s, arg) = =                {                    //The improved approach is not to simply add borders based on rows and columns, but based on the number of top-level child controls in the grid, taking into account the merging situation                    varControls =grid.                    Children; varCount =controls.                    Count;  for(inti =0; I < count; i++)                    {                        varitem = Controls[i] asFrameworkElement; varborder =NewBorder () {BorderBrush=NewSolidColorBrush (Colors.lightgray), BorderThickness=NewThickness (1)                        }; varrow =Grid.getrow (item); varColumn =Grid.getcolumn (item); varrowspan =Grid.getrowspan (item); varColumnSpan =Grid.getcolumnspan (item);                        Grid.setrow (border, Row);                        Grid.setcolumn (Border, column);                        Grid.setrowspan (border, rowspan);                        Grid.setcolumnspan (border, ColumnSpan); Grid.                    Children.add (border);            }                }; }        }    }

Grid Draw Border