https://mitov.com/wiki/index.php?action=history&feed=atom&title=IGPGraphics.GetHDC 2026-04-21T00:48:10Z Revision history for this page on the wiki MediaWiki 1.17.0 https://mitov.com/wiki/index.php?title=IGPGraphics.GetHDC&diff=48682&oldid=prev 2013-06-26T00:30:04Z

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David Alm https://mitov.com/wiki/index.php?title=IGPGraphics.GetHDC&diff=30652&oldid=prev 2013-06-10T20:27:46Z

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David Alm https://mitov.com/wiki/index.php?title=IGPGraphics.GetHDC&diff=1455&oldid=prev 2011-11-22T00:15:45Z

<p>Automated Syncronization with Documentation</p> <p><b>New page</b></p><div>&lt;b&gt;&lt;span style=&quot;color:red&quot;&gt;<br /> This is a Beta Read Only version of this page. <br /> Please review and send recommendations to [mailto:mitov@mitov.com mitov@mitov.com]. <br /> We will enable the editing as soon as we are happy with the overall Wiki site.<br /> &lt;/span&gt;&lt;/b&gt;<br /> <br /> == Description ==<br /> Call this method to get a handle to the device context<br /> associated with this TGPGraphics object.<br /> <br /> <br /> <br /> &lt;b&gt;Example:&lt;/b&gt;<br /> <br /> The following function has a pointer to a Graphics object as<br /> its only parameter. The function calls Graphics::GetHDC to<br /> get a handle to the device context associated with the<br /> Graphics object and then passes that device context handle to<br /> the Microsoft Windows Graphics Device Interface<br /> (GDI)Rectangle function. The call to ReleaseHDC releases the<br /> device context handle.<br /> <br /> &lt;code&gt;<br /> AGraphics.DrawEllipse( TGPPen.Create( aclBlue ), 10, 10, 100, 50); // GDI+<br /> <br /> AHdc := AGraphics.GetHDC();<br /> <br /> // Make GDI calls, but don't call any methods<br /> // on g until after the call to ReleaseHDC.<br /> Rectangle( AHdc, 120, 10, 220, 60); // GDI<br /> <br /> AGraphics.ReleaseHDC(AHdc);<br /> <br /> // Ok to call methods on g again.<br /> AGraphics.DrawLine( TGPPen.Create( aclRed ), 240, 10, 340, 60);<br /> <br /> &lt;/code&gt;</div>

David Alm