Exemple #1
0
        void line_KeyDown(object sender, KeyEventArgs e)
        {
            e.Handled = true;
            // 获取 textBox 对象的相对于 Canvas 的 x坐标 和 y坐标
            double x = (double)line.GetValue(Canvas.LeftProperty);
            double y = (double)line.GetValue(Canvas.TopProperty);

            switch (e.Key)
            {
            case Key.Up:
                line.SetValue(Canvas.TopProperty, y - 1);
                break;

            case Key.Down:
                line.SetValue(Canvas.TopProperty, y + 1);
                break;

            case Key.Left:
                line.SetValue(Canvas.LeftProperty, x - 1);
                break;

            case Key.Right:
                line.SetValue(Canvas.LeftProperty, x + 1);
                break;

            case Key.Delete:
                Canvas c = line.Parent as Canvas;
                c.Children.Remove(line);
                break;

            case Key.C:
                break;

            case Key.A:

                break;

            case Key.V:
                if (Keyboard.Modifiers == ModifierKeys.Control)
                {
                    BPLine tb = new BPLine();
                    tb.Cursor = Cursors.Hand;
                    tb.SetValue(Canvas.LeftProperty, (double)line.GetValue(Canvas.LeftProperty) + 15);
                    tb.SetValue(Canvas.TopProperty, (double)line.GetValue(Canvas.TopProperty) + 15);
                    Canvas s1c = line.Parent as Canvas;
                    try
                    {
                        s1c.Children.Add(tb);
                    }
                    catch
                    {
                        s1c.Children.Remove(tb);
                    }
                }
                break;

            default:
                break;
            }
        }
Exemple #2
0
        protected override void OnKeyDown(KeyEventArgs e)
        {
            base.OnKeyDown(e);
            return;

            e.Handled = true;
            // 获取 textBox 对象的相对于 Canvas 的 x坐标 和 y坐标
            double x = (double)this.GetValue(Canvas.LeftProperty);
            double y = (double)this.GetValue(Canvas.TopProperty);

            switch (e.Key)
            {
            case Key.Up:
                this.SetValue(Canvas.TopProperty, y - 1);
                this.MyLine.SetValue(Canvas.TopProperty, y - 1);
                break;

            case Key.Down:
                this.SetValue(Canvas.TopProperty, y + 1);
                this.MyLine.SetValue(Canvas.TopProperty, y + 1);
                break;

            case Key.Left:
                this.SetValue(Canvas.LeftProperty, x - 1);
                this.MyLine.SetValue(Canvas.LeftProperty, x - 1);
                break;

            case Key.Right:
                this.SetValue(Canvas.LeftProperty, x + 1);
                this.MyLine.SetValue(Canvas.LeftProperty, x + 1);
                break;

            case Key.Delete:
                Canvas c = this.Parent as Canvas;
                c.Children.Remove(this);
                break;

            case Key.C:
                break;

            case Key.A:

                break;

            case Key.V:
                if (Keyboard.Modifiers == ModifierKeys.Control)
                {
                    BPLine tb = new BPLine();
                    tb.Cursor = Cursors.Hand;
                    tb.SetValue(Canvas.LeftProperty, (double)this.GetValue(Canvas.LeftProperty) + 15);
                    tb.SetValue(Canvas.TopProperty, (double)this.GetValue(Canvas.TopProperty) + 15);
                    Canvas s1c = this.Parent as Canvas;
                    try
                    {
                        s1c.Children.Add(tb);
                    }
                    catch
                    {
                        s1c.Children.Remove(tb);
                    }
                }
                break;

            default:
                break;
            }
            base.OnKeyDown(e);
        }