C# Microsoft.Office.Interop.Visio.ResizeToFitContents方法代码示例

        public static void ResizeToFitContents(IVisio.Page page, Drawing.Size padding)
        {
            // first perform the native resizetofit
            page.ResizeToFitContents();

            if ((padding.Width > 0.0) || (padding.Height > 0.0))
            {
                // if there is any additional padding requested
                // we need to further handle the page

                // first determine the desired page size including the padding
                // and set the new size

                var old_size = PageHelper.GetSize(page);
                var new_size = old_size + padding.Multiply(2, 2);
                PageHelper.SetSize(page,new_size);

                // The page has the correct size, but
                // the contents will be offset from the correct location
                page.CenterDrawing();
            }
        }

        public void Render(IVisio.Page page)
        {
            if (page == null)
            {
                throw new System.ArgumentNullException(nameof(page));
            }


            // First handle any page properties
            if (this.Name!=null)
            {
                page.NameU = this.Name;
            }

            this.VisioPage = page;

            var page_sheet = page.PageSheet;

            var app = page.Application;


            using (var perfscope = new Application.PerfScope(app, this.PerfSettings))
            {
                if (this.Size.HasValue)
                {
                    this.PageCells.PageHeight = this.Size.Value.Height;
                    this.PageCells.PageWidth = this.Size.Value.Width;
                }

                var update = new ShapeSheet.Update();
                update.SetFormulas((short)page_sheet.ID, this.PageCells);
                update.Execute(page);
                
                // Then render the shapes
                this.Shapes.Render(page);

                // Perform any additional layout
                if (this.Layout != null)
                {
                    this.Layout.Apply(page);
                }

                // Optionally, perform page resizing to fit contents
                if (this.ResizeToFit)
                {
                    if (this.ResizeToFitMargin.HasValue)
                    {
                        page.ResizeToFitContents(this.ResizeToFitMargin.Value);
                    }
                    else
                    {
                        page.ResizeToFitContents();
                    }
                }
            }

        }

        private static void BuildDiagram(Visio.Page page, List<Category> categories, List<Formula> formulae, List<Rule> rules, List<List> lists, List<Lookup> lookups)
        {
            Console.WriteLine("Drawing {0} categories...", categories.Count);
            DrawCategories(page, categories);

            Console.WriteLine("Drawing {0} rules...", rules.Count);
            DrawRules(page, rules);

            var listsToDraw = lists.Where(l => usedListNames.Contains(l.ListName.ToUpperInvariant()));
            Console.WriteLine("Drawing {0} lists...", listsToDraw.Count());
            DrawLists(page, listsToDraw);

            var lookupsToDraw = lookups.Where(l => usedLookupNames.Contains(l.TableName.ToUpperInvariant()));
            Console.WriteLine("Drawing {0} lookup tables...", lookupsToDraw.Count());
            DrawLookups(page, lookupsToDraw);

            var formulaeToDraw = formulae.Where(f => usedFormulaNames.Contains(f.FormulaName.ToUpperInvariant()));
            Console.WriteLine("Drawing {0} formulas...", formulaeToDraw.Count());
            DrawFormulae(page, formulaeToDraw);

            Console.WriteLine("Drawing {0} relations...", relations.Count);
            DrawRelations(page);

            Console.WriteLine();
            Console.WriteLine("Laying out the page...");
            page.Layout();

            Console.WriteLine("Resizing to fit to contents...");
            page.ResizeToFitContents();
        }