你应该使用一个自定义的控制，
演示：
<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:WpfApplication1"
mc:Ignorable="d"
Title="MainWindow" Height="350" Width="525">
<Grid>
<local:MyTableControl x:Name="MyTableControl"></local:MyTableControl>
</Grid>
</Window>
控制（XAML）：
<UserControl x:Class="WpfApplication1.MyTableControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:WpfApplication1"
mc:Ignorable="d"
d:DesignHeight="300" d:DesignWidth="300">
<UniformGrid x:Name="root">
</UniformGrid>
</UserControl>
控制（代码）：
using System.Windows;
using System.Windows.Controls.Primitives;
using System.Windows.Input;
namespace WpfApplication1
{
public partial class MyTableControl
{
private const int MinColumns = 1;
private const int MaxColumns = 10;
private const int MinRows = 1;
private const int MaxRows = 10;
public static readonly DependencyProperty RowsProperty = DependencyProperty.Register(
"Rows", typeof (int), typeof (MyTableControl), new PropertyMetadata(MinRows, OnRowsChanged, OnRowsCoerce));
public static readonly DependencyProperty ColumnsProperty = DependencyProperty.Register(
"Columns", typeof (int), typeof (MyTableControl),
new PropertyMetadata(MinColumns, OnColumnsChanged, OnColumnsCoerce));
private bool _pressed;
public MyTableControl()
{
InitializeComponent();
Columns = 5;
Rows = 5;
}
public int Rows
{
get { return (int) GetValue(RowsProperty); }
set { SetValue(RowsProperty, value); }
}
public int Columns
{
get { return (int) GetValue(ColumnsProperty); }
set { SetValue(ColumnsProperty, value); }
}
private static object OnRowsCoerce(DependencyObject d, object basevalue)
{
var i = (int) basevalue;
return i < MinRows ? MinRows : i > MaxRows ? MaxRows : i;
}
private static object OnColumnsCoerce(DependencyObject d, object basevalue)
{
var i = (int) basevalue;
return i < MinColumns ? MinColumns : i > MaxColumns ? MaxColumns : i;
}
private static void OnRowsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var control1 = (MyTableControl) d;
control1.Populate();
}
private static void OnColumnsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var control1 = (MyTableControl) d;
control1.Populate();
}
private void Populate()
{
root.Children.Clear();
root.Columns = Columns;
root.Rows = Rows;
for (var y = 0; y < Rows; y++)
{
for (var x = 0; x < Columns; x++)
{
var toggleButton = new ToggleButton {Tag = new Point(x, y)};
toggleButton.MouseEnter += ToggleButton_MouseEnter;
toggleButton.Click += ToggleButton_Click;
root.Children.Add(toggleButton);
}
}
}
private void ToggleButton_Click(object sender, RoutedEventArgs e)
{
_pressed = true; // stops selection
// little bug here, button will be unchecked since it is a toggle button
// but since you'll use images instead, this behavior will vanish
}
private void ToggleButton_MouseEnter(object sender, MouseEventArgs e)
{
if (_pressed)
{
return;
}
var button = (ToggleButton) sender;
var point = (Point) button.Tag;
var x = (int) point.X;
var y = (int) point.Y;
for (var i = 0; i < Columns*Rows; i++)
{
var element = (ToggleButton) root.Children[i];
var tag = (Point) element.Tag;
var x1 = (int) tag.X;
var y1 = (int) tag.Y;
element.IsChecked = x1 <= x && y1 <= y;
}
}
}
}
我曾经为了简单起见，ToggleButton，可以进一步提高利用VisualTreeHelper代替MouseEnter，等...
完美，我该如何改变颜色选择？ –