printpreviewcomponents控件_printpreview怎么取消资源-CSDN文库

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res：4个

pas：4个

dfm：3个

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preview.zip （23个子文件）

Demo

Viewer

Main.dfm 2KB

Viewer.res 876B

Main.pas 6KB

Viewer.dpr 214B

Sample.ppv 741KB

General Demo

Main.dfm 749KB

General.res 876B

dspdf.dll 635KB

Main.pas 27KB

TEAMWORK.rtf 81KB

General.dpr 213B

General.dproj 19KB

RichText Demo

Main.dfm 74KB

RichPrint.res 876B

Main.pas 7KB

Sample.rtf 2KB

RichPrint.dpr 215B

RichPrint.dproj 4KB

ReadMe.html 86KB

Preview.pas 211KB

DELPHIAREA.INC 4KB

Preview.res 856B

Preview.dcr 5KB

<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <meta name="Author" content="Kambiz R. Khojasteh" /> <style type="text/css">  </style> <title>ReadMe</title> </head> <body> <div class="header">Print Preview Components 5.90</div> Copyright © <a href="mailto:kambiz@delphiarea.com">Kambiz R. Khojasteh</a>. All rights reserved. Get future component updates from <a href="http://www.delphiarea.com">http://www.delphiarea.com</a>. <ul class="tags"> <li>Delphi 3</li> <li>Delphi 4</li> <li>Delphi 5</li> <li>Delphi 6</li> <li>Delphi 7</li> <li>Delphi 2005</li> <li>Delphi 2006</li> <li>Delphi 2007</li> <li>Delphi 2009</li> <li>Delphi 2010</li> <li>Delphi XE</li> <li>Delphi XE2</li> </ul> <h3 id="content">CONTENT</h3> <ul id="menu"> <li><a href="#overview">Overview</a></li> <li><a href="#installation">Installation</a></li> <li><a href="#printpreview">TPrintPreview Component</a> <ul> <li><a href="#printpreview_properties">Key Properties</a></li> <li><a href="#printpreview_methods">Key Methods</a></li> <li><a href="#printpreview_events">Key Events</a></li> <li><a href="#printpreview_keyboard_shortcuts">Keyboard Shortcuts</a></li> <li><a href="#printpreview_mouse_wheel">Mouse Wheel Functions</a></li> <li><a href="#printpreview_pdf">PDF Output</a></li> <li><a href="#printpreview_image_transparency">Image Transparency</a></li> <li><a href="#printpreview_third_party_rich_edit_controls">Third Party Rich Edit Controls</a></li> <li><a href="#printpreview_known_bugs">Known Issues</a></li> </ul> </li> <li><a href="#thumbnailpreview">TThumbnailPreview Component</a> <ul> <li><a href="#thumbnailpreview_properties">Key Properties</a></li> <li><a href="#thumbnailpreview_methods">Key Methods</a></li> <li><a href="#thumbnailpreview_events">Key Events</a></li> </ul> </li> <li><a href="#paperpreview">TPaperPreview Component</a> <ul> <li><a href="#paperpreview_properties">Key Properties</a></li> <li><a href="#paperpreview_methods">Key Methods</a></li> <li><a href="#paperpreview_events">Key Events</a></li> </ul> </li> <li><a href="#other_classes">Other Classes</a></li> <li><a href="#global_procedures">Global Procedures</a></li> <li><a href="#history">History</a></li> <li><a href="#acknowledgment">Acknowledgment</a></li> <li><a href="#license">License</a></li> <li><a href="#disclaimer">Disclaimer</a></li> </ul> <h3 id="overview">OVERVIEW</h3> The print preview components consist of three visual components for low level print and print preview: <ul> <li><a href="#printpreview">TPrintPreview</a> This component acts as a printer replacement to generate pages, and then display and manage them.</li> <li><a href="#printpreview">TThumbnailPreview</a> This component shows pages of TPrintPreview component as thumbnails.</li> <li><a href="#paperpreview">TPaperPreview</a> This component represents a sheet of paper that can be filled by a custom event handler.</li> </ul> All the print preview components are fully customizable, and offer extensive set of events. <h3 id="installation">INSTALLATION</h3> Add the following component's unit into a new or existing package: <ul> <li>Preview.pas</li> </ul> The following packages must be added to the requires clause of your package: <ul> <li>VCL</li> <li>RTL (for Delphi 6 or higher only)</li> <li>DesignIDE (for design-time package of Delphi 6 or higher only)</li> </ul> Consider that <code>Preview.pas</code> and <code>DELPHIAREA.INC</code> must be in the search path of Delphi. <h3 id="printpreview">PRINT PREVIEW COMPONENT</h3> TPrintPreview is a descendent of TScrollBox and has properties of both TScrollBox component and TPrinter class. The key features of the TPrintPreview component are: <ul class="condensed"> <li>Supports almost unlimited amount of pages</li> <li>Automatically adjusts printer's paper size and orientation at the print time</li> <li>Automatically adjusts mapping modes</li> <li>Preview pages can be scaled with an arbitrarily zoom factor</li> <li>Shows created pages while new pages are being processed</li> <li>Displayed pages can be scrolled by mouse dragging</li> <li>Pages can be saved/restored to/from disk</li> <li>Each page is accessible as a Windows Metafile image</li> <li>Has some methods for rendering rich text format</li> <li>Can manage custom forms (custom paper sizes)</li> <li>Allows background and annotation for both print and preview pages</li> <li>Both preview and print pages can be converted to grayscale, and you can adjust brightness and contrast of them</li> <li>Allows inserting, replacing, editing, deleting, and reordering of pages freely at any time <li>By using <a href="http://delphistep.cis.si">dsPDF library</a> or <a href="http://www.synopse.info">Synopse PDF library</a>, can save pages as PDF</li> <li>Can save pages as Multi-Page TIFF.</li> <li>Has a complete set of events</li> </ul> <blockquote> <h4 id="printpreview_properties">PrintPreview ComponentKEY PROPERTIES</h4> <ul> <li>Annotation: Boolean Indicates whether the annotation drawing is active.</li> <li>Background: Boolean Indicates whether the background drawing is active.</li> <li>CacheSize: Integer Determines the maximum number of pages that the control can keep in memory.</li> <li>CanScrollHorz (Read-only) Indicates whether the preview page can scroll horizontally.</li> <li>CanScrollVert (Read-only) Indicates whether the preview page can scroll vertically.</li> <li>Canvas: TCanvas (Read-only) Provides access to a drawing surface that represents the page. Each page has its own canvas and any access to this property must be inside BeginDoc/EndDoc, BeginEdit/EndEdit, BeginReplace/EndReplace, BeginInsert/EndInsert, and BeginAppend/EndAppend blocks.</li> <li>CanvasPageNo: Integer (Read-only) Indicates the page number that Canvas belongs to it. When control's canvas is not a page canvas, value of CanvasPageNo is zero.</li> <li>CurrentPage: Integer Determines the current showing page number.</li> <li>DirectPrint:

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