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copied!<p>Registering your frames as a component solves both 1. and 2.: </p> <ol> <li>the components on the frame are locked when you put that frame control on a form or other frame</li> <li>you will get a component (actually: control) that you can design visually</li> </ol> <p>But: there are a few catches (which can be solved, see article link), of which the most important is this one:</p> <p><strong>When you put components on your frame, and later drop that frame as a component on a Delphi form or frame, the components are visible in the Structure Pane.</strong></p> <p>The problem is that because they are visible in the structure pane, you can delete them, causing access violations.</p> <p>The trick to solve this to <a href="http://wiert.wordpress.com/2009/07/16/delphi-frames-as-visual-components-dont-forget-your-sprig/" rel="noreferrer">not forget the 'sprig'</a>.<br> I learned that valuable lesson from <a href="http://www.raize.com/Events.asp" rel="noreferrer">Ray Konopka</a> during <a href="http://delphilive.com/" rel="noreferrer">DelphiLive</a> 2009.</p> <p>Since the lesson is so valuable, I wrote a <a href="http://wiert.wordpress.com/2009/07/16/delphi-frames-as-visual-components-dont-forget-your-sprig/" rel="noreferrer">blog post</a> on it that describes it in detail.</p> <p>The essential portion is this little piece of code (more details in the blog post):</p> <pre><code>procedure RegisterFramesAsComponents(const Page: string; const FrameClasses: array of TFrameClass); var FrameClass: TFrameClass; begin for FrameClass in FrameClasses do begin RegisterComponents(Page, [FrameClass]); RegisterSprigType(FrameClass, TComponentSprig); end; end; </code></pre> <p>Hope this helps.</p> <p>--jeroen</p>

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