Viso转PDF方法

引用：

using Microsoft.Office.Interop.Visio；

方法：

/// <summary>
        /// 把Visio文件转换成PDF格式文件
        /// </summary>
        /// <param name="sourcePath">源文件路径</param>
        /// <param name="targetPath">目标文件路径</param> 
        /// <returns>true=转换成功</returns>
        public static bool VisioToPDF(string sourcePath, string targetPath)
        {
            bool result;
            Microsoft.Office.Interop.Visio.VisFixedFormatTypes targetType = Microsoft.Office.Interop.Visio.VisFixedFormatTypes.visFixedFormatPDF;
            object missing = Type.Missing;
            Microsoft.Office.Interop.Visio.ApplicationClass application = null;
            Microsoft.Office.Interop.Visio.Document document = null;
            try
            {
                application = new Microsoft.Office.Interop.Visio.ApplicationClass();
                application.Visible = false;
                document = application.Documents.Open(sourcePath);
                document.Save();
                document.ExportAsFixedFormat(targetType, targetPath, Microsoft.Office.Interop.Visio.VisDocExIntent.visDocExIntentScreen, Microsoft.Office.Interop.Visio.VisPrintOutRange.visPrintAll);
                result = true;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                result = false;
            }
            finally
            {
                if (application != null)
                {
                    application.Quit();
                    application = null;
                }
                GC.Collect();
                GC.WaitForPendingFinalizers();
                GC.Collect();
                GC.WaitForPendingFinalizers();
            }
            return result;
        }

【原文地址】http://www.51aras.com/?id=20