//-----------------------------------------------------------
// TestDeviceIndependentUnits.cs (c) 2006 by Charles Petzold
//-----------------------------------------------------------
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Input;
using System.Windows.Media;

namespace Petzold.TestDeviceIndependentUnits
{
    public class TestDeviceIndependentUnits : Window
    {
        [STAThread]
        public static void Main()
        {
            Application app = new Application();
            app.Run(new TestDeviceIndependentUnits());
        }
        public TestDeviceIndependentUnits()
        {
            Title = "Test Device-Independent Units";
            Width = 300;
            Height = 300;

            UniformGrid unigrid = new UniformGrid();
            unigrid.Rows = 3;
            unigrid.Columns = 1;
            Content = unigrid;

            // TextBlock elements display ActualWidth x ActualHeight.
            StackPanel stack = new StackPanel();
            stack.Orientation = Orientation.Horizontal;
            stack.HorizontalAlignment = HorizontalAlignment.Center;
            stack.VerticalAlignment = VerticalAlignment.Center;
            stack.DataContext = this;
            unigrid.Children.Add(stack);

            TextBlock txtblk = new TextBlock();
            txtblk.SetBinding(TextBlock.TextProperty, "ActualWidth");
            stack.Children.Add(txtblk);

            txtblk = new TextBlock();
            txtblk.Text = " \x00D7 ";
            stack.Children.Add(txtblk);

            txtblk = new TextBlock();
            txtblk.SetBinding(TextBlock.TextProperty, "ActualHeight");
            stack.Children.Add(txtblk);

            // Button increases Width by 1 unit.
            Button btn = new Button();
            btn.Content = "Width = ActualWidth + 1";
            btn.HorizontalAlignment = HorizontalAlignment.Center;
            btn.VerticalAlignment = VerticalAlignment.Center;
            btn.Click += delegate { Width = ActualWidth + 1; };
            unigrid.Children.Add(btn);

            // Button increase Height by 1 unit.
            btn = new Button();
            btn.Content = "Height = ActualHeight + 1";
            btn.HorizontalAlignment = HorizontalAlignment.Center;
            btn.VerticalAlignment = VerticalAlignment.Center;
            btn.Click += delegate { Height = ActualHeight + 1; };
            unigrid.Children.Add(btn);
        }
    }
}