private void MoveThumb_DragStarted(object sender, DragStartedEventArgs e) { this.designerItem = DataContext as DesignerItem; if (this.designerItem != null) { this.designerCanvas = VisualTreeHelper.GetParent(this.designerItem) as DesignerCanvas; this.rotateTransform = this.designerItem.RenderTransform as RotateTransform; } }
private void CreatePostAt(Point position) { DesignerItem newItem = null; //FrameworkElement content = new RichTextBox(); string imageFile = SelectImageFromDisk(); if (imageFile == string.Empty) { return; } Image content = new Image(); BitmapImage bmImage = new BitmapImage(); bmImage.BeginInit(); bmImage.UriSource = new Uri(imageFile, UriKind.Absolute); bmImage.EndInit(); content.Source = bmImage; //content.IsHitTestVisible = false; if (content != null) { newItem = new DesignerItem(); newItem.Content = content; if (content.MinHeight != 0 && content.MinWidth != 0) { newItem.Width = content.MinWidth * 2;; newItem.Height = content.MinHeight * 2; } else { newItem.Width = 65; newItem.Height = 65; } DesignerCanvas.SetLeft(newItem, Math.Max(0, position.X - newItem.Width / 2)); DesignerCanvas.SetTop(newItem, Math.Max(0, position.Y - newItem.Height / 2)); this.Children.Add(newItem); this.DeselectAll(); newItem.IsSelected = true; } }
protected override void OnDrop(DragEventArgs e) { base.OnDrop(e); string xamlString = e.Data.GetData("DESIGNER_ITEM") as string; if (!String.IsNullOrEmpty(xamlString)) { DesignerItem newItem = null; FrameworkElement content = XamlReader.Load(XmlReader.Create(new StringReader(xamlString))) as FrameworkElement; if (content != null) { newItem = new DesignerItem(); newItem.Content = content; Point position = e.GetPosition(this); if (content.MinHeight != 0 && content.MinWidth != 0) { newItem.Width = content.MinWidth * 2;; newItem.Height = content.MinHeight * 2; } else { newItem.Width = 65; newItem.Height = 65; } DesignerCanvas.SetLeft(newItem, Math.Max(0, position.X - newItem.Width / 2)); DesignerCanvas.SetTop(newItem, Math.Max(0, position.Y - newItem.Height / 2)); this.Children.Add(newItem); this.DeselectAll(); newItem.IsSelected = true; } e.Handled = true; } }
private void ResizeThumb_DragStarted(object sender, DragStartedEventArgs e) { this.designerItem = DataContext as DesignerItem; if (this.designerItem != null) { this.designerCanvas = VisualTreeHelper.GetParent(this.designerItem) as DesignerCanvas; } }