C# 报表源码

【实例截图】

【核心代码】

using System;
using System.Windows.Forms;
using System.Drawing;
using System.Drawing.Printing;
using System.Linq;
using System.Drawing.Drawing2D;
using static RbControls;
using static Define_PrintPage;
using static Define_System;
using static Define_ControlsDraggable;
using static Define_ReportFunction;

public class RBuild_Preview
{
    public static RbControls_FormCreate preview_Form;
    public static RBuild_PreviewSearch rpSearch;
    private PanelEx[] panel_Tool = new PanelEx[2];
    private Label[] menu_labels = new Label[2];
    private int total_Menu;

    public PanelEx page_View, preview_Container, panel_Info;

    private ContextMenuStrip Preview_Menu;
    private string[] pm_text = new string[10] { "    200%", "    150%", "    100%", "    75%", "    50%", "    25%", "    10%", "    页宽", "    全页", "    双页     " };
    private ToolStripMenuItem[] pm_Item = new ToolStripMenuItem[10];

    private RbControls_TextLabel page_Info, pg_Total, pg_Now, pg_Attrib;
    private int _selectPage = 2; // 菜单选项
    public int Now_Page = 1; // 当前页码
    public int _pSizeWidth, _pSizeHeight, _maxWidth, _maxHeight; // 预览内容装入 宽度高度

    private int tol_height; // 页面总高度
    private bool _pdouble = false, _getData = false; // 是否双页

    public void View()
    {
        View(ReportFile_Name.Text,true,null,true);
    }

    public void View(string _fileName, bool _embd, Control _obj, bool _state)
    {
        Use_HotKey = false;

        if (_embd)
        {
            preview_Form = new RbControls_FormCreate(); // 建立窗体
            preview_Form._formObject.Size = new Size(1056, 729);
            preview_Form._formObject.FormClosed  = Preview_FormClosed;

            for (int i = 0; i < 2; i  )
            {
                panel_Tool[i] = new PanelEx() { Dock = DockStyle.Top, Height = 35, Cursor = Cursors.Default, BackColor = Color.FromArgb(241, 241, 241) };
                PanelEx panel_Line = new PanelEx() { Dock = DockStyle.Bottom, Height = 1, BackgroundImage = Test1216.EzResource.line, BackgroundImageLayout = ImageLayout.Stretch };
                panel_Tool[i].Controls.Add(panel_Line);

                if (i == 0) panel_Tool[i].Visible = true;
                else panel_Tool[i].Visible = false;

                previewTool_Control(i, panel_Tool[i]);
                preview_Form._formObject.Controls.Add(panel_Tool[i]);
            }

            string[] menu_text = new string[2] { "预览", "帮助" };
            Point[] menu_point = new Point[] { new Point(3, 37), new Point(53, 37) };
            int[] menu_width = new int[] { 43, 43 };
            total_Menu = 2;
            RbControls_ConextMenu PreviewMenu = new RbControls_ConextMenu();
            PreviewMenu.Menu(preview_Form.panel_Title, total_Menu, menu_text, menu_point, 23, menu_width, system_Font, Color.White, Color.FromArgb(241, 241, 241), Color.Black, PreviewMenuMove);
            PreviewMenu.text_label[0].BackColor = Color.FromArgb(241, 241, 241);
            PreviewMenu.text_label[0].ForeColor = Color.Black;

            RbControls_DrawTextMethod ds = new RbControls_DrawTextMethod();
            Bitmap report_Icon = new Bitmap(20, 20);
            ds.DrawFontAwesome(report_Icon, RbControls_FontAwesome.Type.FileText, 20, Color.FromArgb(250, 250, 250), new Point(0, 0), false);
            PictureBoxEx report_pic = new PictureBoxEx() { Size = new Size(20, 20), Location = new Point(10, 6), Image = report_Icon, BackColor = Color.Transparent };
            preview_Form.panel_Title.Controls.Add(report_pic);

            ReportFile_PreviewName = new Label() { AutoSize = true, Location = new Point(30, 6), Font = system_Font, ForeColor = Color.White, Text = _fileName, BackColor = Color.Transparent };
            preview_Form.panel_Title.Controls.Add(ReportFile_PreviewName);
        }

        if (_embd) panel_Preview(preview_Form._formObject, false, true);
        else panel_Preview(_obj, true, _state);

        // 缩放菜单
        Preview_Menu = new ContextMenuStrip() { ShowImageMargin = false, Font = system_Font };
        for (int i = 0; i < 10; i  )
        {
            pm_Item[i] = new ToolStripMenuItem() { AutoSize = true, Text = pm_text[i], Tag = i };
            pm_Item[i].Click  = PreView_Click;
            Preview_Menu.Items.Add(pm_Item[i]);
        }
        pm_Item[2].Text = "●  "   pm_text[2].Trim();

        if (_embd)
        {
            preview_Form.Create_Form(preview_Container, "preview_Form", FormStartPosition.CenterScreen, new Size(1056, 729), new Point(200, 100), system_backColor, form_ShowDialog, false, Preview_FormClosed, PreView_Resize);
        }
        
    }

    // 关闭预览
    private void Preview_FormClosed(object sender, FormClosedEventArgs e)
    {
        try { rpSearch.search_Form._formObject.Close(); } catch { }
        Use_HotKey = true;
    }

    /// <summary>
    /// 预览框
    /// </summary>
    /// <param name="obj">在哪个控件内</param>
    /// <param name="_embed">是否为嵌入</param>
    /// <param name="_state">是否显示状态栏</param>
    public void panel_Preview(Control obj, bool _embed, bool _state)
    {
        _getData = false;
        int _marginTop, _sizeHeight;
        if (_embed)
        {
            _marginTop = 0;
            _sizeHeight = obj.Height - 125   97;
            //Select_Zoom(_selectPage);
        }
        else
        {
            DialogUse_HotKey = false;
            _marginTop = 97;
            _sizeHeight = obj.Height - 125;
        }

        if (!_state) _sizeHeight = obj.Height;

        page_View = new PanelEx()
        {
            Location = new Point(2, _marginTop),
            Cursor = Cursors.Default,
            BackColor = Color.FromArgb(150, 150, 150)
        };
        if (_embed) page_View.Dock = DockStyle.Fill;
        else page_View.Size = new Size(obj.Width - 4, _sizeHeight);
        obj.Controls.Add(page_View);

        preview_Container = new PanelEx()
        {
            Dock = DockStyle.Fill,
            AutoScroll = true,
            BackColor = Color.FromArgb(150, 150, 150)
        };
        page_View.Controls.Add(preview_Container);

        _pSizeWidth = preview_Container.Width - 20;
        _pSizeHeight = preview_Container.Height;


        // 取得所有打印页中最大宽度、高度
        _maxWidth = design_Elements.Max(mw => mw.Print_PageType.Size.Width)   40;
        if (_pSizeWidth < _maxWidth) _pSizeWidth = _maxWidth;
        _maxHeight = design_Elements.Max(mw => mw.Print_PageType.Size.Height);
        if (_pSizeHeight > _maxHeight) _maxHeight = _pSizeHeight;

        _getData = Report_generation();

        preview_Install = new PanelEx()
        {
            Size = new Size(_pSizeWidth, _pSizeHeight),
            Location = new Point(0, 0),
            BackColor = Color.Transparent
        };
        preview_Install.Paint  = PageInstall_Paint;
        preview_Install.LocationChanged  = Container_LocationChanged;
        preview_Install.MouseDown  = Page_MouseDown;
        preview_Container.Controls.Add(preview_Install);

        panel_Info = new PanelEx()
        {
            Location = new Point(2, obj.Height - 27),
            BackColor = Color.Transparent,
        };
        if (_embed) panel_Info.Dock = DockStyle.Bottom;
        else panel_Info.Size = new Size(obj.Width - 4, 25);
        if (!_state) panel_Info.Visible = false;
        obj.Controls.Add(panel_Info);
        PanelEx panel_LineInfo = new PanelEx()
        {
            Dock = DockStyle.Top,
            Height = 1,
            BackgroundImage = Test1216.EzResource.line,
            BackgroundImageLayout = ImageLayout.Stretch
        };
        panel_Info.Controls.Add(panel_LineInfo);

        pg_Total = new RbControls_TextLabel();
        pg_Total.Text_Label(panel_Info, new Point(75, 5), system_Font, Color.Black, "1 .");

        pg_Now = new RbControls_TextLabel();
        pg_Now.Text_Label(panel_Info, new Point(165, 5), system_Font, Color.Black, "1 .");

        pg_Attrib = new RbControls_TextLabel();
        if (_getData) pg_Attrib.Text_Label(panel_Info, new Point(280, 5), system_Font, Color.Black, pageInfos[0].Info   " .");

        page_Info = new RbControls_TextLabel();
        page_Info.Text_Label(panel_Info, new Point(30, 5), system_Font, system_FontColor, "总页数：          当前页：                    纸张：");

        PictureBoxEx info_Icon = new PictureBoxEx()
        {
            Size = new Size(20, 20),
            Location = new Point(5, 2),
            Image = Test1216.EzResource.prview,
            BackColor = Color.Transparent
        };
        panel_Info.Controls.Add(info_Icon);


        if (_embed)
        {
            preview_Container.VerticalScroll.Value = 0;
            preview_Container.HorizontalScroll.Value = 0;
            page_View.Size = new Size(obj.Width, obj.Height -27);
            preview_Install.Size = new Size(_pSizeWidth, _pSizeHeight);
            panel_Info.Size = new Size(obj.Width , 25);
            panel_Info.Location = new Point(0, obj.Height - 27);
            Select_Zoom(_selectPage);
            preview_Install.Invalidate();
        }
    }

    private void Page_MouseDown(object sender, MouseEventArgs e)
    {
        PanelEx pL = (PanelEx)sender;

        if (e.Button == MouseButtons.Right)
        {
            Preview_Menu.Show(pL.PointToScreen(e.Location));
        }
    }

    private void GetPage_Preview()
    {
        previewObjects.Clear();
        page_recordSize.Clear();

        int _locationX, _srcWidth, _srcHeight;
        int _hTmp = 0, _diff = 0;

        tol_height = 0;
        if (_selectPage == 9) // 双页
        {
            for (int i = 0; i < report_Pages.Count; i  )
            {
                _srcWidth = (int)(report_Pages[i].pageImage.Width * zoomScale);
                _srcHeight = (int)(report_Pages[i].pageImage.Height * zoomScale);

                Bitmap zoom_Bmp = new Bitmap(_srcWidth, _srcHeight);
                zoom_Bmp.SetResolution(96, 96);
                Graphics gzoom = Graphics.FromImage(zoom_Bmp);
                gzoom.InterpolationMode = InterpolationMode.HighQualityBicubic;
                gzoom.DrawImage(report_Pages[i].pageImage, new Rectangle(0, 0, _srcWidth, _srcHeight), new Rectangle(0, 0, report_Pages[i].pageImage.Width, report_Pages[i].pageImage.Height), GraphicsUnit.Pixel);

                if (i % 2 == 0)
                {
                    tol_height  = 20;
                    _locationX = ((preview_Install.Width / 2) - zoom_Bmp.Width) / 2;
                    _diff = 0;
                    if ((i   1) < report_Pages.Count)
                    {
                        if (report_Pages[i].pageImage.Height < report_Pages[i   1].pageImage.Height)
                        {
                            _diff = (int)((report_Pages[i   1].pageImage.Height - report_Pages[i].pageImage.Height) * zoomScale) / 2;
                        }
                    }
                    previewObjects.Add(new PreviewObject(_locationX, tol_height   _diff, _srcWidth, _srcHeight, zoom_Bmp));
                    page_recordSize.Add(new page_RecordSize(tol_height   _diff, tol_height   _diff   _srcHeight, i));

                    if (i == report_Pages.Count - 1) tol_height  = _srcHeight;
                    gzoom.Dispose();
                    _hTmp = zoom_Bmp.Height;
                }
                else
                {
                    _diff = 0;
                    _locationX = preview_Install.Width / 2   ((preview_Install.Width / 2) - zoom_Bmp.Width) / 2;
                    int _factHeight = 0;
                    if (zoom_Bmp.Height < _hTmp)
                    {
                        _diff = (int)((report_Pages[i - 1].pageImage.Height - report_Pages[i].pageImage.Height) * zoomScale) / 2;
                        _factHeight = _hTmp;
                    }
                    else _factHeight = _srcHeight;

                    previewObjects.Add(new PreviewObject(_locationX, tol_height   _diff, _srcWidth, _srcHeight, zoom_Bmp));
                    page_recordSize.Add(new page_RecordSize(tol_height   _diff, tol_height   _diff   _srcHeight, i));


                    tol_height  = _factHeight;
                    gzoom.Dispose();
                }
            }
            tol_height  = 20;
            preview_Install.Height = tol_height;
        }
        else // 单页
        {
            for (int i = 0; i < report_Pages.Count; i  )
            {
                _srcWidth = (int)(report_Pages[i].pageImage.Width * zoomScale);
                _srcHeight = (int)(report_Pages[i].pageImage.Height * zoomScale);

                Bitmap zoom_Bmp = new Bitmap(_srcWidth, _srcHeight);
                zoom_Bmp.SetResolution(96, 96);
                Graphics gzoom = Graphics.FromImage(zoom_Bmp);
                gzoom.InterpolationMode = InterpolationMode.HighQualityBicubic;
                gzoom.DrawImage(report_Pages[i].pageImage, new Rectangle(0, 0, _srcWidth, _srcHeight), new Rectangle(0, 0, report_Pages[i].pageImage.Width, report_Pages[i].pageImage.Height), GraphicsUnit.Pixel);

                tol_height  = 20;
                _locationX = (preview_Install.Width - _srcWidth) / 2;

                previewObjects.Add(new PreviewObject(_locationX, tol_height, _srcWidth, _srcHeight, zoom_Bmp));
                page_recordSize.Add(new page_RecordSize(tol_height, tol_height   _srcHeight, i));

                tol_height  = _srcHeight;

                gzoom.Dispose();
            }
            tol_height  = 20;
            preview_Install.Height = tol_height;
        }
    }

    // 显示页码信息
    private void Container_LocationChanged(object sender, EventArgs e)
    {
        if (_getData)
        {
            Now_Page = page_recordSize.Find(now => -preview_Install.Location.Y >= (now.top - 20) && -preview_Install.Location.Y <= now.bottom).num;
            if (_pdouble)
            {
                if ((Now_Page   1) < page_recordSize.Count)
                {
                    pg_Now.labelText.Text = (Now_Page   1)   ","   (Now_Page   2);
                    pg_Attrib.labelText.Text = pageInfos[Now_Page].Info   "  -  "   pageInfos[Now_Page   1].Info; ;
                }
                else
                {
                    pg_Now.labelText.Text = (Now_Page   1)   "";
                    pg_Attrib.labelText.Text = pageInfos[Now_Page].Info;
                }
            }
            else
            {
                pg_Now.labelText.Text = (Now_Page   1)   "";
                pg_Attrib.labelText.Text = pageInfos[Now_Page].Info;
            }
            pg_Total.labelText.Text = page_recordSize.Count   ".";
        }
    }

    // 重绘装入报表
    private void PageInstall_Paint(object sender, PaintEventArgs e)
    {
        foreach (PreviewObject item in previewObjects)
        {
            item.OnPaint(e);
        }
        Container_LocationChanged(null, null);
    }

    /// <summary>
    /// 添加图标到工具栏
    /// </summary>
    /// <param name="panelID">序号</param>
    /// <param name="obj">在哪个控件内</param>
    public void previewTool_Control(int panelID, Control obj)
    {
        switch (panelID)
        {
            case 0:
                addToolControl(obj, 5, 25, Test1216.EzResource.spear, new Point(10, 5), null, null, false);
                addToolControl(obj, 25, 25, Test1216.EzResource.print, new Point(20, 5), "打印报表", "PREVIEW_PRINT", true);
                addToolControl(obj, 25, 25, Test1216.EzResource.search, new Point(50, 5), "查找", "PREVIEW_SEARCH", true);
                addToolControl(obj, 35, 25, Test1216.EzResource.zoom1, new Point(80, 5), "缩放", "PREVIEW_ZOOM", true);
                addToolControl(obj, 5, 25, Test1216.EzResource.spear, new Point(120, 5), null, null, false);
                addToolControl(obj, 25, 25, Test1216.EzResource.first, new Point(130, 5), "最前页", "PREVIEW_FIRST", true);
                addToolControl(obj, 25, 25, Test1216.EzResource.ppirv, new Point(160, 5), "前一页", "PREVIEW_PREVIOUS", true);
                addToolControl(obj, 25, 25, Test1216.EzResource.pnext, new Point(190, 5), "下一页", "PREVIEW_NEXT", true);
                addToolControl(obj, 25, 25, Test1216.EzResource.last, new Point(220, 5), "最后一页", "PREVIEW_LAST", true);
                addToolControl(obj, 5, 25, Test1216.EzResource.spear, new Point(250, 5), null, null, false);
                addToolControl(obj, 25, 25, Test1216.EzResource.close, new Point(260, 5), "关闭", "PREVIEW_CLOSE", true);
                break;
            case 1:
                addToolControl(obj, 5, 25, Test1216.EzResource.spear, new Point(10, 5), null, null, false);
                addToolControl(obj, 25, 25, Test1216.EzResource.help, new Point(20, 5), "使用帮助", "PREVIEW_HELP", true);
                addToolControl(obj, 25, 25, Test1216.EzResource.icon, new Point(50, 5), "关于系统", "PREVIEW_ABOUT", true);
                break;
            default:
                break;
        }
    }

    private void addToolControl(Control obj, int width, int height, Bitmap img, Point location, string tips, string id, bool showtips)
    {
        ToolTip toolTip = new ToolTip();

        PanelEx toolMenu = new PanelEx()
        {
            Size = new Size(width, height),
            Location = location,
            BackColor = Color.Transparent,
            Tag = id
        };

        PictureBoxEx toolControl = new PictureBoxEx()
        {
            Size = new Size(width - 2, height - 2),
            SizeMode = PictureBoxSizeMode.CenterImage,
            Location = new Point(1, 1),
            BackColor = Color.Transparent,
            Tag = id
        };
        toolMenu.Controls.Add(toolControl);

        if (showtips)
        {
            toolControl.Image = img;
            toolTip.SetToolTip(toolControl, tips);
            toolControl.MouseEnter  = new EventHandler(toolControl_MouseEnter);
            toolControl.MouseLeave  = new EventHandler(toolControl_MouseLeave);
            toolControl.Click  = new EventHandler(toolControl_Click);
        }
        else
        {
            toolMenu.BackgroundImage = Test1216.EzResource.spear;
        }
        obj.Controls.Add(toolMenu);
    }

    /// 鼠标移至菜单
    private static void toolControl_MouseEnter(object sender, EventArgs e)
    {
        PictureBoxEx pL = (PictureBoxEx)sender;
        pL.Parent.BackColor = Color.FromArgb(229, 195, 101);
        pL.BackColor = Color.FromArgb(253, 244, 191);
        pL.Cursor = Cursors.Hand;
    }

    /// 鼠标离开菜单
    private static void toolControl_MouseLeave(object sender, EventArgs e)
    {
        PictureBoxEx pL = (PictureBoxEx)sender;
        pL.Parent.BackColor = Color.Transparent;
        pL.BackColor = Color.Transparent;
        pL.Cursor = Cursors.Default;
    }

    // 第一页
    public void Preview_First()
    {
        preview_Container.AutoScrollPosition = new Point(0, 0);
    }

    // 前一页
    public void Preview_Previous()
    {
        if (Now_Page > 0) preview_Container.AutoScrollPosition = new Point(0, page_recordSize[Now_Page - 1].top - 19);
        else preview_Container.AutoScrollPosition = new Point(0, 0);
    }

    // 下一页
    public void Preview_Next()
    {
        if (Now_Page < page_recordSize.Count - 1) preview_Container.AutoScrollPosition = new Point(0, page_recordSize[Now_Page   1].top - 19);
    }

    // 最后页
    public void Preview_Last()
    {
        preview_Container.AutoScrollPosition = new Point(0, tol_height);
    }

    public void Preview_Zoom(Point _location)
    {
        Preview_Menu.Show(_location);
    }

    public void Preview_Print()
    {
        Print_File(false, new Point(0, 0));
    }

    public void Preview_Print(bool _embed, Point _location)
    {
        DialogUse_HotKey = false;
        if (_embed) Print_File(_embed, _location);
        else Print_File(_embed, new Point(0, 0));
    }



    /// 点击菜单
    private void toolControl_Click(object sender, EventArgs e)
    {
        PictureBoxEx pL = (PictureBoxEx)sender;

        switch (pL.Tag)
        {
            case "PREVIEW_PRINT":
                DialogUse_HotKey = false;
                Preview_Print();
                break;

            case "PREVIEW_SEARCH":
                DialogUse_HotKey = false;
                new RBuild_PreviewSearch().Search();
                break;
            case "PREVIEW_ZOOM":
                Preview_Zoom(pL.PointToScreen(new Point(0, 25)));
                break;

            case "PREVIEW_FIRST":
                Preview_First();
                break;

            case "PREVIEW_PREVIOUS":
                Preview_Previous();
                break;

            case "PREVIEW_NEXT":
                Preview_Next();
                break;

            case "PREVIEW_LAST":
                Preview_Last();
                break;

            case "PREVIEW_CLOSE":
                preview_Form._formObject.Close();
                break;

            case "PREVIEW_ABOUT":
                //
                break;
            default:
                break;
        }
    }

    // 鼠标在菜单内
    private void PreviewMenuMove(object sender, MouseEventArgs e)
    {
        Label pL = (Label)sender;

        for (int i = 0; i < total_Menu; i  )
        {
            if (i != (int)pL.Tag)
            {
                panel_Tool[i].Visible = false;
            }
        }
        panel_Tool[(int)pL.Tag].Visible = true;
    }

    /// 改变预览显示比例
    private void PreView_Click(object sender, EventArgs e)
    {
        ToolStripMenuItem mL = (ToolStripMenuItem)sender;
        for (int i = 0; i < 10; i  )
        {
            if (i == (int)mL.Tag) mL.Text = "●  "   pm_text[i].Trim();
            else pm_Item[i].Text = pm_text[i];
        }
        _selectPage = (int)mL.Tag;
        Select_Zoom(_selectPage);
        preview_Container.VerticalScroll.Value = 0;
        preview_Container.HorizontalScroll.Value = 0;
        preview_Install.Invalidate();
    }

    private void Select_Zoom(int _zoom)
    {
        searchs.Clear();
        preview_Install.Controls.Clear();

        _pdouble = false;
        preview_Container.VerticalScroll.Value = 0;
        preview_Container.HorizontalScroll.Value = 0;

        switch (_zoom)
        {
            case 0:
                zoomScale = 2;
                if ((_maxWidth * zoomScale) > _pSizeWidth) preview_Install.Width = (int)(_maxWidth * zoomScale);
                else preview_Install.Width = preview_Container.Width - 20;
                break;
            case 1:
                zoomScale = 1.5;
                if ((_maxWidth * zoomScale) > _pSizeWidth) preview_Install.Width = (int)(_maxWidth * zoomScale);
                else preview_Install.Width = preview_Container.Width - 20;
                break;
            case 2:
                zoomScale = 1;
                preview_Install.Width = preview_Container.Width - 20;
                if (preview_Install.Width < _pSizeWidth) preview_Install.Width = _pSizeWidth;

                break;
            case 3:
                zoomScale = 0.75;
                if ((_maxWidth * zoomScale) > _pSizeWidth) preview_Install.Width = (int)(_maxWidth * zoomScale);
                else preview_Install.Width = preview_Container.Width - 20;
                break;
            case 4:
                zoomScale = 0.5;
                if ((_maxWidth * zoomScale) > _pSizeWidth) preview_Install.Width = (int)(_maxWidth * zoomScale);
                else preview_Install.Width = preview_Container.Width - 20;
                break;
            case 5:
                zoomScale = 0.25;
                if ((_maxWidth * zoomScale) > _pSizeWidth) preview_Install.Width = (int)(_maxWidth * zoomScale);
                else preview_Install.Width = preview_Container.Width - 20;
                break;
            case 6:
                zoomScale = 0.1;
                if ((_maxWidth * zoomScale) > _pSizeWidth) preview_Install.Width = (int)(_maxWidth * zoomScale);
                else preview_Install.Width = preview_Container.Width - 20;
                break;
            case 7: // 页宽
                zoomScale = (preview_Container.Width - 40) / (double)_maxWidth;
                preview_Install.Width = preview_Container.Width - 20;
                break;
            case 8: // 全页
                int _pmax, _diff, _vmax;
                if (preview_Container.Width > preview_Container.Height)
                {
                    _vmax = preview_Container.Height;
                    _pmax = _maxHeight;
                    _diff = 0;
                }
                else
                {
                    _vmax = preview_Container.Width;
                    _pmax = _maxWidth;
                    _diff = 20;
                }
                zoomScale = (_vmax - _diff) / (double)_pmax;
                preview_Install.Width = preview_Container.Width - 20;
                break;
            case 9: // 双页
                _pdouble = true;
                preview_Install.Width = preview_Container.Width - 20;
                zoomScale = (double)(preview_Install.Width / 2) / _maxWidth;
                break;
            default:
                break;
        }
        GetPage_Preview();
    }

    private void PreView_Resize(object sender, EventArgs e)
    {
        preview_Container.VerticalScroll.Value = 0;
        preview_Container.HorizontalScroll.Value = 0;
        page_View.Size = new Size(preview_Form._formObject.Width - 4, preview_Form._formObject.Height - 125);
        preview_Install.Size = new Size(_pSizeWidth, _pSizeHeight);
        panel_Info.Size = new Size(preview_Form._formObject.Width - 4, 25);
        panel_Info.Location = new Point(2, preview_Form._formObject.Height - 27);
        Select_Zoom(_selectPage);
        preview_Install.Invalidate();

        preview_Form.LocationEX = preview_Form._formObject.Location;
        preview_Form.SizeEX = preview_Form._formObject.Size;
    }
}