public class GridHelper
{
public static readonly DependencyProperty ShowBorderProperty =
DependencyProperty.RegisterAttached("ShowBorder", typeof(bool), typeof(GridHelper),
new PropertyMetadata(OnShowBorderChanged));
public static readonly DependencyProperty GridLineThicknessProperty =
DependencyProperty.RegisterAttached("GridLineThickness", typeof(double), typeof(GridHelper),
new PropertyMetadata(OnGridLineThicknessChanged));
public static readonly DependencyProperty GridLineBrushProperty =
DependencyProperty.RegisterAttached("GridLineBrush", typeof(Brush), typeof(GridHelper),
new PropertyMetadata(OnGridLineBrushChanged));
#region BackGroudBrush
public static readonly DependencyProperty GridBackGroudBrushProperty =
DependencyProperty.RegisterAttached("GridBackGroudBrush", typeof(Brush), typeof(GridHelper),
new PropertyMetadata(OnGridBackGroudBrushChanged));
private static void OnGridBackGroudBrushChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
}
#endregion
#region ShowBorder
public static bool GetShowBorder(DependencyObject obj)
{
return (bool)obj.GetValue(ShowBorderProperty);
}
public static void SetShowBorder(DependencyObject obj, bool value)
{
obj.SetValue(ShowBorderProperty, value);
}
private static void OnShowBorderChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var grid = d as Grid;
if ((bool)e.OldValue)
{
grid.Loaded -= (s, arg) => { };
}
if ((bool)e.NewValue)
{
grid.Loaded += new RoutedEventHandler(GridLoaded);
}
}
#endregion
#region GridLineThickness
public static double GetGridLineThickness(DependencyObject obj)
{
return (double)obj.GetValue(GridLineThicknessProperty);
}
public static void SetGridLineThickness(DependencyObject obj, double value)
{
obj.SetValue(GridLineThicknessProperty, value);
}
private static void OnGridLineThicknessChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
}
#endregion
#region GridLineBrush
public static Brush GetGridLineBrush(DependencyObject obj)
{
Brush brush = (Brush)obj.GetValue(GridLineBrushProperty);
return brush == null ? new SolidColorBrush(Colors.Red) : brush;
}
public static void SetGridLineBrush(DependencyObject obj, Brush value)
{
obj.SetValue(GridLineBrushProperty, value);
}
private static void OnGridLineBrushChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
}
#endregion
public static Brush GetGridBackGroudBrush(DependencyObject obj)
{
Brush brush = (Brush)obj.GetValue(GridBackGroudBrushProperty);
return brush == null ? new SolidColorBrush(Colors.Transparent) : brush;
}
public static void SetGridBackGroudBrush(DependencyObject obj, Brush value)
{
obj.SetValue(GridBackGroudBrushProperty, value);
}
private static void GridLoaded(object sender, RoutedEventArgs e)
{
Grid grid = sender as Grid;
var row_count = grid.RowDefinitions.Count;
var column_count = grid.ColumnDefinitions.Count;
#region 第三版:支持grid cell元素与边框距离设置,但是方法是将cell内元素放到border中,先删除,再添加!
var controls = grid.Children;
var count = controls.Count;
for (int i = 0; i < count; i++)
{
var item = controls[i] as FrameworkElement;
var row = Grid.GetRow(item);
var column = Grid.GetColumn(item);
var rowspan = Grid.GetRowSpan(item);
var columnspan = Grid.GetColumnSpan(item);
var settingThickness = GetGridLineThickness(grid);
Thickness thickness = new Thickness(settingThickness / 2);
if (row == 0)
thickness.Top = settingThickness;
if (row + rowspan == row_count)
thickness.Bottom = settingThickness;
if (column == 0)
thickness.Left = settingThickness;
if (column + columnspan == column_count)
thickness.Right = settingThickness;
var va = item as Border;
var border = new Border();
if (va == null)
{
border.BorderBrush = GetGridLineBrush(grid);
border.Background = GetGridBackGroudBrush(grid);
if (row == 0)
{
if (column == 0)
border.BorderThickness = new Thickness(settingThickness, settingThickness, settingThickness, settingThickness);
else
border.BorderThickness = new Thickness(0, settingThickness, settingThickness, settingThickness);
}
else
{
if (column == 0)
border.BorderThickness = new Thickness(settingThickness, 0, settingThickness, settingThickness);
else
border.BorderThickness = new Thickness(0, 0, settingThickness, settingThickness);
}
}
else
{
border = va;
}
grid.Children.RemoveAt(i);
Grid.SetRow(border, row);
Grid.SetColumn(border, column);
Grid.SetRowSpan(border, rowspan);
Grid.SetColumnSpan(border, columnspan);
if (border.Child == null)
{
border.Child = item;
}
else
{
border = item as Border;
}
grid.Children.Insert(i, border);
}
#endregion
}
}
表格内必须要有控件来填充
Width="500" x:Name="GridZong" >
my为引用命名空间