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CEF4Delphi/docs/html/uCEFInterfaces.ICefPrintHandler.html
Salvador Díaz Fau 7093cc9a6a Update to CEF 122.1.8
2024-02-24 12:01:31 +01:00

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<title>cef4delphi: uCEFInterfaces: Interface ICefPrintHandler</title>
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<span id="ICefPrintHandler"></span><h1 class="cio">Interface ICefPrintHandler</h1>
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<div class="one_section"><a class="section" href="#PasDoc-Description">Description</a></div><div class="one_section"><a class="section" href="#PasDoc-Hierarchy">Hierarchy</a></div><div class="one_section">Fields</div><div class="one_section"><a class="section" href="#PasDoc-Methods">Methods</a></div><div class="one_section">Properties</div></div>
<span id="PasDoc-Description"></span><h2 class="unit">Unit</h2>
<p class="unitlink">
<a href="uCEFInterfaces.html">uCEFInterfaces</a></p>
<h2 class="declaration">Declaration</h2>
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<code>type ICefPrintHandler = interface(<a class="normal" href="uCEFInterfaces.ICefBaseRefCounted.html">ICefBaseRefCounted</a>)</code></p>
<h2 class="description">Description</h2>
<p>
Implement this interface to handle printing on Linux. Each browser will have only one print job in progress at a time. The functions of this interface will be called on the browser process UI thread. </p>
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<p>UNKNOWN
<p>&lt;see href=&quot;<a href="https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/cef_print_handler_capi.h">https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/cef_print_handler_capi.h</a>&quot;&gt;CEF source file: /include/capi/cef_print_handler_capi.h (cef_print_handler_t))</p>
<span id="PasDoc-Hierarchy"></span><h2 class="hierarchy">Hierarchy</h2>
<ul class="hierarchy"><li class="ancestor">IInterface</li>
<li class="ancestor"><a class="normal" href="uCEFInterfaces.ICefBaseRefCounted.html">ICefBaseRefCounted</a></li>
<li class="thisitem">ICefPrintHandler</li></ul><h2 class="overview">Overview</h2>
<span id="PasDoc-Methods"></span><h3 class="summary">Methods</h3>
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<td class="itemcode"><code>procedure <strong><a href="uCEFInterfaces.ICefPrintHandler.html#OnPrintStart-ICefBrowser-">OnPrintStart</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>);</code></td>
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<td class="itemcode"><code>procedure <strong><a href="uCEFInterfaces.ICefPrintHandler.html#OnPrintSettings-ICefBrowser-ICefPrintSettings-boolean-">OnPrintSettings</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const settings: <a href="uCEFInterfaces.ICefPrintSettings.html">ICefPrintSettings</a>; getDefaults: boolean);</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFInterfaces.ICefPrintHandler.html#OnPrintDialog-ICefBrowser-boolean-ICefPrintDialogCallback-boolean-">OnPrintDialog</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; hasSelection: boolean; const callback: <a href="uCEFInterfaces.ICefPrintDialogCallback.html">ICefPrintDialogCallback</a>; var aResult: boolean);</code></td>
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<td class="itemcode"><code>procedure <strong><a href="uCEFInterfaces.ICefPrintHandler.html#OnPrintJob-ICefBrowser-ustring-ustring-ICefPrintJobCallback-boolean-">OnPrintJob</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const documentName, PDFFilePath: <a href="uCEFTypes.html#ustring">ustring</a>; const callback: <a href="uCEFInterfaces.ICefPrintJobCallback.html">ICefPrintJobCallback</a>; var aResult: boolean);</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFInterfaces.ICefPrintHandler.html#OnPrintReset-ICefBrowser-">OnPrintReset</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>);</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFInterfaces.ICefPrintHandler.html#GetPDFPaperSize-ICefBrowser-integer-TCefSize-">GetPDFPaperSize</a></strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; deviceUnitsPerInch: integer; var aResult: <a href="uCEFTypes.TCefSize.html">TCefSize</a>);</code></td>
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<td class="itemcode"><code>procedure <strong><a href="uCEFInterfaces.ICefPrintHandler.html#RemoveReferences">RemoveReferences</a></strong>;</code></td>
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<h2 class="description">Description</h2>
<h3 class="detail">Methods</h3>
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<td class="itemcode"><span id="OnPrintStart-ICefBrowser-"></span><code>procedure <strong>OnPrintStart</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>);</code></td>
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<p>
Called when printing has started for the specified |browser|. This function will be called before the other OnPrint*() functions and irrespective of how printing was initiated (e.g. ICefBrowserHost.print(), JavaScript window.print() or PDF extension print button). </p>
<h6 class="description_section">Attributes</h6>
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<dt>GUID['{2831D5C9-6E2B-4A30-A65A-0F4435371EFC}']</dt>
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<td class="itemcode"><span id="OnPrintSettings-ICefBrowser-ICefPrintSettings-boolean-"></span><code>procedure <strong>OnPrintSettings</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const settings: <a href="uCEFInterfaces.ICefPrintSettings.html">ICefPrintSettings</a>; getDefaults: boolean);</code></td>
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<p>
Synchronize |settings| with client state. If |get_defaults| is true (1) then populate |settings| with the default print settings. Do not keep a reference to |settings| outside of this callback. </p>
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<td class="itemcode"><span id="OnPrintDialog-ICefBrowser-boolean-ICefPrintDialogCallback-boolean-"></span><code>procedure <strong>OnPrintDialog</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; hasSelection: boolean; const callback: <a href="uCEFInterfaces.ICefPrintDialogCallback.html">ICefPrintDialogCallback</a>; var aResult: boolean);</code></td>
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<p>
Show the print dialog. Execute |callback| once the dialog is dismissed. Return true (1) if the dialog will be displayed or false (0) to cancel the printing immediately. </p>
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<td class="itemcode"><span id="OnPrintJob-ICefBrowser-ustring-ustring-ICefPrintJobCallback-boolean-"></span><code>procedure <strong>OnPrintJob</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; const documentName, PDFFilePath: <a href="uCEFTypes.html#ustring">ustring</a>; const callback: <a href="uCEFInterfaces.ICefPrintJobCallback.html">ICefPrintJobCallback</a>; var aResult: boolean);</code></td>
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<p>
Send the print job to the printer. Execute |callback| once the job is completed. Return true (1) if the job will proceed or false (0) to cancel the job immediately. </p>
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<td class="itemcode"><span id="OnPrintReset-ICefBrowser-"></span><code>procedure <strong>OnPrintReset</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>);</code></td>
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<p>
Reset client state related to printing. </p>
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<td class="itemcode"><span id="GetPDFPaperSize-ICefBrowser-integer-TCefSize-"></span><code>procedure <strong>GetPDFPaperSize</strong>(const browser: <a href="uCEFInterfaces.ICefBrowser.html">ICefBrowser</a>; deviceUnitsPerInch: integer; var aResult: <a href="uCEFTypes.TCefSize.html">TCefSize</a>);</code></td>
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<p>
Return the PDF paper size in device units. Used in combination with ICefBrowserHost.PrintToPdf(). </p>
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<td class="itemcode"><span id="RemoveReferences"></span><code>procedure <strong>RemoveReferences</strong>;</code></td>
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<p>
Custom procedure to clear all references. </p>
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