Converting Shapes in to button from code Behind in WPF

MVKbgl, Thanks for your Question. I have Updated My Answer.

To make a button or any other control you might need to inherit the Control and then could add your custom property. Here I have created a custom button named EclipseButton which is usually a usercontrol. Please have a look on the XAMl on the control

<UserControl x:Class="WpfTest.EclipseButton"
             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"
             mc:Ignorable="d"
             >
    <Grid>
        <Button>
            <StackPanel Orientation="Horizontal" Margin="10">
                <Ellipse  Name="ellipse1" Stroke="Black"
                      Width="{Binding ElementName=UC, Path=ButtonWidth}"
                       Height="{Binding ElementName=UC, Path=ButtonHeight}"
                          />
                <TextBlock Text="{Binding ElementName=UC, Path=Text}"
                           Margin="10,0,0,0"/>
            </StackPanel>
        </Button>

    </Grid>
</UserControl>

And the code behind of this control looks like that,

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfTest
{
    /// <summary>
    /// Interaction logic for EclipseButton.xaml
    /// </summary>
    public partial class EclipseButton : UserControl
    {
        public EclipseButton()
        {
            InitializeComponent();
        }

        public double ButtonWidth
        {
            get { return (double)GetValue(WidthProperty); }
            set { SetValue(WidthProperty, value); }
        }

        public static readonly DependencyProperty WidthProperty =
            DependencyProperty.Register("ImageWidth", typeof(double), typeof(EclipseButton), new UIPropertyMetadata(16d));

        public double ButtonHeight
        {
            get { return (double)GetValue(HeightProperty); }
            set { SetValue(HeightProperty, value); }
        }

        public static readonly DependencyProperty HeightProperty =
            DependencyProperty.Register("ImageHeight", typeof(double), typeof(EclipseButton), new UIPropertyMetadata(16d));

        public string Text
        {
            get { return (string)GetValue(TextProperty); }
            set { SetValue(TextProperty, value); }
        }

        public static readonly DependencyProperty TextProperty =
            DependencyProperty.Register("Text", typeof(string), typeof(EclipseButton), new UIPropertyMetadata(""));
    }
}

And now the XAML of main window is ,

<Window x:Class="WpfTest.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525"
        xmlns:my="clr-namespace:WpfTest">
    <Grid Height="311" Width="474">
        <Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="188,263,0,0" Name="button1" VerticalAlignment="Top" Width="100" Click="button1_Click" />
        <Label Content="Hi!!" Height="100" HorizontalAlignment="Center" Margin="188,76,186,0" Name="label1" VerticalAlignment="Top" Width="100" Background="#FFBBF23E"  />

        <my:EclipseButton Text="Eclipse Button" HorizontalAlignment="Left" VerticalAlignment="Top"
                        ButtonWidth="16" ButtonHeight="16" Margin="10" ButtonBase.Click="Button_Click" />
    </Grid>
</Window>

And the Code behind of this main window is

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfTest
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, RoutedEventArgs e)
        {
            Button btn = (Button)sender;
            Grid grd = btn.Parent as Grid;

            Label lbl = grd.Children[1] as Label;

            if (lbl.Width < 100)
            {
                lbl.Width = 100;
            }
            else
            {
                lbl.Width = 50;
            }

            if (lbl.Height < 100)
            {
                lbl.Height = 100;
            }
            else
            {
                lbl.Height = 50;
            }
        }
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            EclipseButton btn = (EclipseButton)sender;
            Grid grd = btn.Parent as Grid;

            Label lbl = grd.Children[1] as Label;

            if (lbl.Width < 100)
            {
                lbl.Width = 100;
            }
            else
            {
                lbl.Width = 50;
            }

            if (lbl.Height < 100)
            {
                lbl.Height = 100;
            }
            else
            {
                lbl.Height = 50;
            }
        }
    }
    
}

In this code you will see that i have used my own button which has a Click Event and this event is handle in the code behind of main window.

I think it will help you enough. And let me know if you need any assistance please.

Thanks,
Rashim

I'm not sure you actually need to do this. Shapes already support keyboard and mouse events and receiving focus. Just hook event handlers up to it and it will act just like a button.

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