WPF打印问题

Question

在Canvas放有图片、文字等内容，如何将整个Canvaw打印/打印预览？请高手指点~~

Answer 1

即将整个Canvas打印成一张图片

Answer 2

 private void printBtn_Click(object sender, RoutedEventArgs e)
        { 
            PrintDialog pDialog = new PrintDialog();            if ((bool)pDialog.ShowDialog().GetValueOrDefault())
            {
                DrawingVisual vis = new DrawingVisual();
                DrawingContext dc = vis.RenderOpen();
                FrameworkElement fe = ImageCanvas as FrameworkElement;//ImageCanvas为Canvas控件
                RenderTargetBitmap bitmapImage = new RenderTargetBitmap((int)fe.ActualWidth, (int)fe.ActualHeight, 96, 96, PixelFormats.Pbgra32);
                bitmapImage.Render(ImageCanvas);
                dc.DrawImage(bitmapImage, new Rect(new Point(0, 0), new Point((int)fe.ActualWidth, (int)fe.ActualHeight)));
                
                dc.Close();                pDialog.PrintVisual(vis, "设计图");
            }
        }