FrmPdtToImage.cs

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using O2S.Components.PDFRender4NET;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace FXPDFToImage
{
    public enum Definition
    {
        One = 1, Two = 2, Three = 3, Four = 4, Five = 5, Six = 6, Seven = 7, Eight = 8, Nine = 9, Ten = 10
    }
    public partial class FrmPdtToImage : ViewBaseForm
    {
        public FrmPdtToImage()
        {
            InitializeComponent();
        }
        // 下载于www.51aspx.com
        private void btncancle_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void FrmPdtToImage_Load(object sender, EventArgs e)
        {
            this.txtPageNumber.Text = SkyComm.GetValue("分页图片数");
            this.txtPDF.Focus();
        }
        private void btnPdf_Click(object sender, EventArgs e)
        {
            OpenFileDialog dialog = new OpenFileDialog();
            dialog.Multiselect = true;//该值确定是否可以选择多个文件
            dialog.Title = "请选择文件夹";
            dialog.Filter = "*.pdf|*.PDF";
            if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                this.txtPDF.Text = dialog.FileName;
            }
        }
        //pageType=0:首页;pageType=1:上下页;pageType=2;末页数
        private void ToSee(int pageType)
        {
            int pages = 0;
            if (pageSize >= pageTotalCount)
            {
                pages = 1;
            }
            else
            {
                if (pageTotalCount % pageSize == 0)
                {
                    pages = pageTotalCount / pageSize;
                }