Word,PPT,Word，execl转PDF

【实例截图】

excel原文如下：

转换后pdf如下：

【核心代码】

using GxNetExtend;
using System;
using System.IO;
using System.Threading.Tasks;
using System.Windows.Forms;


namespace ConvertPDF
{
    public partial class Form1 : Form
    {
        public string path;
        public string trapath;
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            OpenFileDialog dialog = new OpenFileDialog();
            dialog.Multiselect = false;//该值确定是否可以选择多个文件
            dialog.Title = "请选择文件夹";
            dialog.Filter = "所有文件(*.*)|*.*";
            if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                string file = dialog.FileName;
                //MessageBox.Show(file);
                //  label1.Text = file;
                path = file;

            }
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private async void button2_Click(object sender, EventArgs e)
        {
            System.DateTime currentTime = new System.DateTime();
            // 取当前年月日时分秒
            currentTime = System.DateTime.Now;
            //取当前年
            int 年 = currentTime.Year;
            //取当前月   
            int 月 = currentTime.Month;
            // 取当前日  
            int 日 = currentTime.Day;
            //取当前时   
            int 时 = currentTime.Hour;
            // 取当前分  
            int 分 = currentTime.Minute;
            //取当前秒    
            int 秒 = currentTime.Second;
            // 取当前毫秒   
            int 毫秒 = currentTime.Millisecond;
            string 时间 = 年.ToString()   月.ToString()   日.ToString()   时.ToString()   分.ToString()   秒.ToString()   毫秒.ToString();
            FileStream fs = new FileStream(trapath   时间 .Trim()  ".PDF", FileMode.CreateNew);
            StreamWriter sw = new StreamWriter(fs);
            // sw.Write("你好啊");  //这里是写入的内容
            sw.Close();

            PdfUtil getPdfUtil = new PdfUtil();
            label1.Text = "正在转换....";
            bool a = await Task.Run<bool>(() => getPdfUtil.convert2PDF(path, trapath   时间.Trim()   ".PDF"));

            label1.Text = "转换成功！";

        }

        private async void label2_Click(object sender, EventArgs e)
        {   
            System.DateTime currentTime = new System.DateTime();
            // 取当前年月日时分秒
            currentTime = System.DateTime.Now;
            //取当前年
            int 年 = currentTime.Year;
            //取当前月   
            int 月 = currentTime.Month;
            // 取当前日  
            int 日 = currentTime.Day;
            //取当前时   
            int 时 = currentTime.Hour;
            // 取当前分  
            int 分 = currentTime.Minute;
            //取当前秒    
            int 秒 = currentTime.Second;
            // 取当前毫秒   
            int 毫秒 = currentTime.Millisecond;
            string 时间 = 年.ToString()   月.ToString()   日.ToString()   时.ToString()   分.ToString()   秒.ToString()   毫秒.ToString();
            FileStream fs = new FileStream(trapath   textBox1.Text.Trim()   ".PDF", FileMode.CreateNew);
            StreamWriter sw = new StreamWriter(fs);
            // sw.Write("你好啊");  //这里是写入的内容
            sw.Close();

            PdfUtil getPdfUtil = new PdfUtil();
            label1.Text = "正在转换....";
            bool a = await Task.Run<bool>(() => getPdfUtil.convert2PDF(path, trapath   textBox1.Text.Trim()   ".PDF"));

            label1.Text = "转换成功！";
        }

        private void button3_Click(object sender, EventArgs e)
        {
            System.Windows.Forms.FolderBrowserDialog dialog = new System.Windows.Forms.FolderBrowserDialog();
            dialog.Description = "请选择Txt所在文件夹";
            if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                if (string.IsNullOrEmpty(dialog.SelectedPath))
                {
                    MessageBox.Show(this, "文件夹路径不能为空", "提示");

                }
                else
                {
                    trapath = dialog.SelectedPath.ToString() @"\";
                   // MessageBox.Show(this, dialog.SelectedPath.ToString(), "提示");
                }
            
    
            }
        }

   
    }
}