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version-features.html
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---
---
<article>
<h1>Delphi Version Features</h1>
<p>This page contains notes about which features were introduced in which versions of Delphi [<a href="#footnote-1">1</a>].</p>
<p>If you have any additions or corrections please <a href="https://github.com/delphidabbler/delphidabbler.github.io/issues">create an issue</a> on GitHub (<small>GitHub account required</small>).</p>
<div class="table-responsive">
<table class="table table-striped table-bordered">
<thead>
<tr>
<th>Feature</th>
<th>Version</th>
</tr>
</thead>
<tbody>
<tr>
<td>& operator for treating keywords as identifiers</td>
<td>Delphi 2006</td>
</tr>
<tr>
<td><code>{$IFEND}</code> directive no longer required to close <code>{$IF}</code> statements: <code>{$ENDIF}</code> can now be used instead. [<a href="#footnote-1">2</a>]</td>
<td>Delphi XE4</td>
</tr>
<tr>
<td><code>{$LEGACYIFEND}</code> directive [<a href="#footnote-1">2</a>]</td>
<td>Delphi XE5</td>
</tr>
<tr>
<td><code>{$MESSAGE}</code> directive</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><code>{$WARN}</code> directive</td>
<td>Delphi 7</td>
</tr>
<tr>
<td>64 bit compiler</td>
<td>Delphi XE2</td>
</tr>
<tr>
<td>Abstract classes</td>
<td>Delphi 2006</td>
</tr>
<tr>
<td>Anonymous methods / closures</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td>Attributes</td>
<td>Delphi 2010</td>
</tr>
<tr>
<td>class constructors / destructors</td>
<td>Delphi 2010</td>
</tr>
<tr>
<td>Class data (<strong>class var</strong>)</td>
<td>Delphi 2006</td>
</tr>
<tr>
<td>Class helpers</td>
<td>Delphi 2006</td>
</tr>
<tr>
<td>Class properties</td>
<td>Delphi 2005</td>
</tr>
<tr>
<td><strong>delayed</strong> keyword (for loading of DLLs)</td>
<td>Delphi 2010</td>
</tr>
<tr>
<td><strong>deprecated</strong> directive</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><strong>deprecated</strong> directive with comment</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>DirectoryExists</var> function moved to SysUtils unit from FileCtrl</td>
<td>Delphi 6</td>
</tr>
<tr>
<td>Dynamic arrays</td>
<td>Delphi 4</td>
</tr>
<tr>
<td><var>EOSError</var> (instead of <var>EWin32Error</var>)</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><var>ExcludeTrailingPathDelimiter</var> function</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><var>Exit</var> with result parameter</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td>Final methods</td>
<td>Delphi 2006</td>
</tr>
<tr>
<td>Floating point number comparison routines added to <var>Math</var> unit.</td>
<td>Delphi 6 [<a href="#footnote-1">3</a>]</td>
</tr>
<tr>
<td><strong>for</strong> .. <strong>in</strong> loops</td>
<td>Delphi 2005</td>
</tr>
<tr>
<td>Frames</td>
<td>Delphi 5</td>
</tr>
<tr>
<td>Function inlining</td>
<td>Delphi 2005</td>
</tr>
<tr>
<td>Generics</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>IInterface</var></td>
<td>Delphi 6</td>
</tr>
<tr>
<td><var>IncludeTrailingPathDelim</var> function</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><strong>inline</strong> keyword</td>
<td>Delphi 2005</td>
</tr>
<tr>
<td>Inner exceptions</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>Int8</var> type</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>Int16</var> type</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>Int32</var> type</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>Int64</var> type</td>
<td>Delphi 4</td>
</tr>
<tr>
<td>Interface to object casting</td>
<td>Delphi 2010</td>
</tr>
<tr>
<td><strong>library</strong> directive</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><var>LongWord</var> type</td>
<td>Delphi 4</td>
</tr>
<tr>
<td><var>Margins</var> and <var>Padding</var> properties on <var>TControl</var></td>
<td>Delphi 2006</td>
</tr>
<tr>
<td>Nested constants within classes / records</td>
<td>Delphi 2005</td>
</tr>
<tr>
<td>Nested types within classes</td>
<td>Delphi 2005</td>
</tr>
<tr>
<td>Operator overloading on records</td>
<td>Delphi 2006</td>
</tr>
<tr>
<td>Overloading for functions, procedures and methods</td>
<td>Delphi 4</td>
</tr>
<tr>
<td><strong>platform</strong> directive</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><var>RaiseLastOSError</var> procedure</td>
<td>Delphi 6</td>
</tr>
<tr>
<td>Record Helpers for simple types</td>
<td>Delphi XE3</td>
</tr>
<tr>
<td>Records with methods</td>
<td>Delphi 2006</td>
</tr>
<tr>
<td><strong>resourcestring</strong> statement</td>
<td>Delphi 3</td>
</tr>
<tr>
<td>RTTI enhancements</td>
<td>Delphi 2010</td>
</tr>
<tr>
<td><var>SafeLoadLibrary</var> function</td>
<td>Delphi 5</td>
</tr>
<tr>
<td>Scoped enumerators (must have type name prefix)</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td>Sealed classes</td>
<td>Delphi 2006</td>
</tr>
<tr>
<td><strong>static</strong> directive for class methods</td>
<td>Delphi 2005</td>
</tr>
<tr>
<td><strong>strict private</strong> and <strong>strict protected</strong> visibility specifiers</td>
<td>Delphi 2005</td>
</tr>
<tr>
<td><strong>string</strong> type is <var>UnicodeString</var></td>
<td>Delphi 2009</td>
</tr>
<tr>
<td>StrUtils unit</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><var>TApplication.MainFormOnTaskbar</var> property</td>
<td>Delphi 2007</td>
</tr>
<tr>
<td><var>TArray<T></var> type in <var>System</var> unit.</td>
<td>Delphi 2010</td>
</tr>
<tr>
<td><var>TBytes</var> alias for <strong>array</strong> <strong>of</strong> <var>Byte</var></td>
<td>Delphi 2007</td>
</tr>
<tr>
<td>Text format form files</td>
<td>Delphi 5</td>
</tr>
<tr>
<td><var>TFormatSettings</var> and overloaded format and conversion routines that use it</td>
<td>Delphi 7</td>
</tr>
<tr>
<td><var>TObject.Equals</var> virtual method</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>TObject.GetHashCode</var> virtual method</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>TObject.ToString</var> virtual method</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>TObject.UnitName</var> method</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td>Touch support</td>
<td>Delphi 2010</td>
</tr>
<tr>
<td><var>TRegistry</var> supports access flags</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><var>TRegistry.OpenKeyReadOnly</var> method</td>
<td>Delphi 4</td>
</tr>
<tr>
<td><var>TryStrToXXXX</var> routines added to <var>SysUtils</var></td>
<td>Delphi 6</td>
</tr>
<tr>
<td><var>TStream</var> supports 64 bit size and seek offsets</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><var>TStringList.Create(OwnsObjects: Boolean)</var> constructor overload</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td>Types unit</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><var>UInt8</var> type</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>UInt16</var> type</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>UInt32</var> type</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>UInt64</var> type</td>
<td>Delphi 7</td>
</tr>
<tr>
<td>Unicode identifier names</td>
<td>Delphi 2005</td>
</tr>
<tr>
<td>Unicode source files</td>
<td>Delphi 2005</td>
</tr>
<tr>
<td>Unicode support (inc Windows API)</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td><var>UnicodeString</var> type</td>
<td>Delphi 2009</td>
</tr>
<tr>
<td>Unit conversion handling (that's <em>unit</em> as in mm or inches, not <em>unit</em> as in source code unit)</td>
<td>Delphi 6</td>
</tr>
<tr>
<td>UTF8 source files</td>
<td>Delphi 2005</td>
</tr>
<tr>
<td><var>UTF8Decode</var> and <var>UTF8Encode</var> routines</td>
<td>Delphi 6</td>
</tr>
<tr>
<td><var>UTF8String</var> type</td>
<td>Delphi 6</td>
</tr>
<tr>
<td>Variants unit</td>
<td>Delphi 6</td>
</tr>
<tr>
<td>VCL styles</td>
<td>Delphi XE2</td>
</tr>
<tr>
<td>XMLDoc documentation</td>
<td>Delphi 2005</td>
</tr>
</tbody>
</table>
<div> <!-- /.table-responsive -->
<footer>
<div class="well well-sm">
<p id="footnotes" class="strong">Footnotes</p>
<ol>
<li id="footnote-1">All this information relates to the native Delphi compiler, not the .NET compiler.</li>
<li id="footnote-2">From Delphi XE5 the use of the <code>{$IFEND}</code> directive results in a compiler error unless a <code>{$LEGACYIFEND}</code> directive precedes the first <code>{$IFEND}</code> directive or unless the use of legacy <code>{$IFEND}</code> is enabled in project options.</li>
<li id="footnote-3">Source: EFG's Computer Lab (<small>defunct website</small>). This source also stated that the Math unit did not change from Delphi 4 to Delphi 5.</li>
</ol>
</div> <!-- /.well .well-sm -->
</footer>
</article>
<nav>
<p>Back to the <a href="./index.html">Delphi Notes</a> page.</p>
</nav>