LampInspectionMachine/Views/MainWindow.xaml.cs

using System.Windows;
using System.Windows.Input;

namespace LampInspectionMachine.Views
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        private WindowState _windowState= WindowState.Normal;
        public MainWindow()
        {
            InitializeComponent();

        }



        Rect rcnormal;//定义一个全局rect记录还原状态下窗口的位置和大小。
        /// <summary>
        /// 最大化
        /// </summary>
        private void btnMaximize_Click(object sender, RoutedEventArgs e)
        {
            if ( _windowState == WindowState.Normal )
            {
                _windowState = WindowState.Maximized;
                rcnormal = new Rect(this.Left, this.Top, this.Width, this.Height);//保存下当前位置与大小
                this.Left = 0;//设置位置
                this.Top = 0;
                Rect rc = SystemParameters.WorkArea;//获取工作区大小
                this.Width = rc.Width;
                this.Height = rc.Height;
            }
            else
            {
                _windowState = WindowState.Normal;
                this.Left = rcnormal.Left;
                this.Top = rcnormal.Top;
                this.Width = rcnormal.Width;
                this.Height = rcnormal.Height;
            }
        }
        /// <summary>
        /// 还原
        /// </summary>
        private void btnNormal_Click(object sender, RoutedEventArgs e)
        {
            this.WindowState = WindowState.Minimized;

        }
        private void Window_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            if ( this.ActualHeight > SystemParameters.WorkArea.Height || this.ActualWidth > SystemParameters.WorkArea.Width )
            {
                this.WindowState = System.Windows.WindowState.Normal;
                btnMaximize_Click(null, null);
            }
        }
        private void Grid_MouseDown(object sender, MouseButtonEventArgs e)
        {
            if ( e.ClickCount == 2 )
            {
                if ( this.ActualWidth == SystemParameters.WorkArea.Width )
                {
                    btnNormal_Click(null, null);
                }
                else
                {
                    btnMaximize_Click(null, null);
                }
            }
        }
    }
}