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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 WpfApplication1
{
    /// <summary>
    /// MainWindow.xaml の相互作用ロジック
    /// </summary>
    public partial class MainWindow : Window
    {
        bool _leftIsDragging;
        bool _rightIsDragging;
        bool _middleIsDragging;
        Point _leftDragOffset;
        Point _rightDragOffset;
        Point _middleDragOffset;
 
        TranslateTransform _pan;
        ScaleTransform _zoom;
        RotateTransform _turn;
 
        public MainWindow()
        {
            InitializeComponent();
 
            _pan = new TranslateTransform();
            _zoom = new ScaleTransform();
            _turn = new RotateTransform();
 
            TransformGroup tGroup = new TransformGroup();
            tGroup.Children.Add(_zoom);
            tGroup.Children.Add(_turn);
            tGroup.Children.Add(_pan);
            controlTarget.RenderTransform = tGroup;
 
            controlTarget.MouseDown += new MouseButtonEventHandler(controlTarget_MouseDown);
            controlTarget.MouseMove += new MouseEventHandler(controlTarget_MouseMove);
            controlTarget.MouseUp += new MouseButtonEventHandler(controlTarget_MouseUp);
 
            this.KeyDown += new KeyEventHandler(MainWindow_KeyDown);
        }
 
        void MainWindow_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Escape)
            {
                _pan.X = 0;
                _pan.Y = 0;
                _zoom.ScaleX = 1;
                _zoom.ScaleY = 1;
                _zoom.CenterX = 0;
                _zoom.CenterY = 0;
            }
        }
 
        void controlTarget_MouseDown(object sender, MouseButtonEventArgs e)
        {
            if (e.ChangedButton == MouseButton.Left)
            {
                var s = sender as UIElement;
                s.CaptureMouse();
                _leftDragOffset = e.GetPosition(this);
                _leftIsDragging = true;
            }
            if (e.ChangedButton == MouseButton.Right)
            {
                var s = sender as UIElement;
                s.CaptureMouse();
                _rightDragOffset = e.GetPosition(this);
                _rightIsDragging = true;
                Point center = e.GetPosition(s);
                _zoom.CenterX = center.X;
                _zoom.CenterY = center.Y;
            }
        }
 
        void controlTarget_MouseMove(object sender, MouseEventArgs e)
        {
            if (_leftIsDragging)
            {
                var s = sender as UIElement;
                Point p = e.GetPosition(this);
                _pan.X += p.X - _leftDragOffset.X;
                _pan.Y += p.Y - _leftDragOffset.Y;
                _leftDragOffset = p;
            }
            if (_rightIsDragging)
            {
                var s = sender as UIElement;
                Point p = e.GetPosition(this);
                double delta = (_rightDragOffset.Y - p.Y) * 0.01;
                _zoom.ScaleX += delta;
                _zoom.ScaleY += delta;
                _rightDragOffset = p;
            }
        }
 
        void controlTarget_MouseUp(object sender, MouseButtonEventArgs e)
        {
            if (e.ChangedButton == MouseButton.Left)
            {
                var s = sender as UIElement;
                s.ReleaseMouseCapture();
                _leftIsDragging = false;
            }
            if (e.ChangedButton == MouseButton.Right)
            {
                var s = sender as UIElement;
                s.ReleaseMouseCapture();
                _rightIsDragging = false;
            }
        }
    }
}
 

prog.cpp:1: error: expected nested-name-specifier before ‘System’
prog.cpp:1: error: ‘System’ has not been declared
prog.cpp:2: error: expected nested-name-specifier before ‘System’
prog.cpp:2: error: ‘System’ has not been declared
prog.cpp:2: error: expected `;' before ‘.’ token
prog.cpp:2: error: expected unqualified-id before ‘.’ token
prog.cpp:3: error: expected nested-name-specifier before ‘System’
prog.cpp:3: error: ‘System’ has not been declared
prog.cpp:3: error: expected `;' before ‘.’ token
prog.cpp:3: error: expected unqualified-id before ‘.’ token
prog.cpp:4: error: expected nested-name-specifier before ‘System’
prog.cpp:4: error: ‘System’ has not been declared
prog.cpp:4: error: expected `;' before ‘.’ token
prog.cpp:4: error: expected unqualified-id before ‘.’ token
prog.cpp:5: error: expected nested-name-specifier before ‘System’
prog.cpp:5: error: ‘System’ has not been declared
prog.cpp:5: error: expected `;' before ‘.’ token
prog.cpp:5: error: expected unqualified-id before ‘.’ token
prog.cpp:6: error: expected nested-name-specifier before ‘System’
prog.cpp:6: error: ‘System’ has not been declared
prog.cpp:6: error: expected `;' before ‘.’ token
prog.cpp:6: error: expected unqualified-id before ‘.’ token
prog.cpp:7: error: expected nested-name-specifier before ‘System’
prog.cpp:7: error: ‘System’ has not been declared
prog.cpp:7: error: expected `;' before ‘.’ token
prog.cpp:7: error: expected unqualified-id before ‘.’ token
prog.cpp:8: error: expected nested-name-specifier before ‘System’
prog.cpp:8: error: ‘System’ has not been declared
prog.cpp:8: error: expected `;' before ‘.’ token
prog.cpp:8: error: expected unqualified-id before ‘.’ token
prog.cpp:9: error: expected nested-name-specifier before ‘System’
prog.cpp:9: error: ‘System’ has not been declared
prog.cpp:9: error: expected `;' before ‘.’ token
prog.cpp:9: error: expected unqualified-id before ‘.’ token
prog.cpp:10: error: expected nested-name-specifier before ‘System’
prog.cpp:10: error: ‘System’ has not been declared
prog.cpp:10: error: expected `;' before ‘.’ token
prog.cpp:10: error: expected unqualified-id before ‘.’ token
prog.cpp:11: error: expected nested-name-specifier before ‘System’
prog.cpp:11: error: ‘System’ has not been declared
prog.cpp:11: error: expected `;' before ‘.’ token
prog.cpp:11: error: expected unqualified-id before ‘.’ token
prog.cpp:12: error: expected nested-name-specifier before ‘System’
prog.cpp:12: error: ‘System’ has not been declared
prog.cpp:12: error: expected `;' before ‘.’ token
prog.cpp:12: error: expected unqualified-id before ‘.’ token
prog.cpp:13: error: expected nested-name-specifier before ‘System’
prog.cpp:13: error: ‘System’ has not been declared
prog.cpp:13: error: expected `;' before ‘.’ token
prog.cpp:13: error: expected unqualified-id before ‘.’ token
prog.cpp:20: error: expected unqualified-id before ‘public’
prog.cpp:125: error: expected `}' at end of input

Standard output is empty