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DisplayFusion License Changes

August 30, 2010

DisplayFusion was first released in August of 2007, over 3 years ago! During the last 3 years, DisplayFusion has grown into a must-have utility for anyone with multiple monitors. Licensing has changed as well over the years, with the introduction of a paid Pro version nearly 2 years ago. This paid Pro version was licensed on a per-computer basis, requiring multiple licenses to be purchased for use on multiple computers. After quite a bit of feedback from the DisplayFusion community, I have decided to shuffle the licensing around a little bit.

New License Type: Personal Home license

Starting today, you can now purchase a DisplayFusion Pro Personal Home license. This new license is for home users ONLY, and is not a valid license for company users. The license allows a home user to purchase 1 license, and install it on all of their computers. It's like a mini site license for home users. If you are a home user that has already purchased a DisplayFusion Pro license and you would like to upgrade to a Personal Home license at a discounted price, please contact me.

Free Version License Changes

Another licensing change is a new restriction on free version usage. Starting with version 3.2, the free version of DisplayFusion will no longer be allowed to be used in a company environment. If you are using the free version of DisplayFusion in a company, you have 2 options: keep using 3.1.10 without any restrictions or convince your company to purchase a DisplayFusion Pro license. A single license is just $25, and with multiple licenses you can reduce this to just $15 per license. DisplayFusion needs your support, and every DisplayFusion Pro license purchased will help!

New License Types and Restrictions

Free License

DisplayFusion Free

Standard License

DisplayFusion Pro Standard License

  • For personal or company use
  • Prices range from $15 to $25 per license
  • Perfect for home users who have 1 computer and only need 1 license
  • Perfect for smaller companies who want multiple licenses, but don't want a Site License
  • Fully functional license including all DisplayFusion Pro features
Personal Home License

DisplayFusion Pro Personal Home License

  • For personal home users who have more than 1 computer
  • Buy 1 license, use DisplayFusion Pro on as many computers as you need
  • This license is for personal use only, not for company use
  • Fully functional license including all DisplayFusion Pro features
Company Site License

DisplayFusion Pro Company Site License

  • For companies that have 25 or more computers
  • Pay 1 price, use DisplayFusion Pro on as many computers as you need
  • No license servers, no complicated license management
  • Fully functional license including all DisplayFusion Pro features

Final Thoughts

If you have any questions or comments, I encourage you to contact me. If you are using the free version of DisplayFusion, and you can't live without it, why not pitch-in and support the development of future versions? It's only $25 and your purchased license will be valid with all future versions of DisplayFusion!

DisplayFusion 3.1.10 Released

July 9, 2010

DisplayFusion 3.1.10 has been released! This is just a small release to address a few issues that slipped through the 3.1.9 release. Here is a quick rundown on the changes in this new version:

  • The Settings window is now scaled correctly when using Font Scaling in Windows
  • Monitor detection would sometimes fail in rare situations on Windows start-up
  • Taskbar now shows & signs correctly when in Classic mode (no visual styles)
  • Taskbar no longer hangs/crashes when the system is under heavy load
  • Taskbar items no longer get shuffled in Windows XP when the Taskbar isn't on the primary monitor

I would encourage everyone to update to this new release as soon as possible to take advantage of the improved stability and bug fixes. Thanks everyone!

DisplayFusion 3.1.9 Released!

June 28, 2010

I am very happy to announce the release of DisplayFusion 3.1.9! Along with this new release, comes the new home of DisplayFusion, located at I would like to send out a big thanks to Chris from Sockit Solutions for designing the new website, and for helping getting it off the ground. The new website makes it much easier to look-up information about DisplayFusion, like the Advanced Settings, Support options and, of course, the Downloads.

Now, back to the 3.1.9 release! This release started out as a small release, intended to address a few functionality issues before the major 3.2 release, but it turned into much more than that! There is a big new feature in this release, called the "Windows Logon Background" changer. In the DisplayFusion Settings window, you will see a new tab titled "Windows Logon". You can use this new feature to change your Windows logon background image using local images, or images from one of the online providers (Flickr or Vladstudio). I love this new feature, and I've made sure all of my machines now have custom logon backgrounds.

The Taskbars also received much love. You can now set the Auto-Hide setting on a per-Taskbar basis, as well as disabling Taskbars on a per-monitor basis. The Window Snapping feature received a bit of a makeover, with the addition of a helpful guide to help you set it up in the Settings window. There also a ton, and I mean a ton, of bug fixes. From everything to Taskbar focus issues, to compatibility improvements for over a dozen applications. To see the complete list of changes, I invite you to visit the DisplayFusion Change Log.

If you haven't been prompted to upgrade yet, please visit the DisplayFusion Download page to download the new version today!

We're Hiring!

June 14, 2010

Do you love programming? Do you live in the Ottawa area? If you answered yes to both of these questions, I have good news. We want you! We are looking for someone who has at least 3 years experience with C#, and a passion for software development. If you are interested and would like to learn more about this opportunity, please send your resume and contact information (email address and phone number) to Hope to hear from you soon!

Update: Thank you to everyone who applied, the position is now closed.

Converting C++ Data Types to C#

April 12, 2010

If you've ever had to write any interop code to use an unmanaged library in your C# application, you know how tricky it can be to get the data types correct. I often find myself scouring the internet looking for the correct conversions, so I thought I would document everything I have learned so far. This is by no means a comprehensive list of all C++ data types, just the ones I find myself frequently writing interop code for.

C++ Type C# Type Size
BOOL bool 1 byte
BYTE byte 1 byte
CHAR byte 1 byte
DECIMAL Decimal 16 bytes
DOUBLE double 8 bytes
DWORD uint, UInt32 4 bytes
FLOAT float, single 4 bytes
INT, signed int int, Int32 4 bytes
INT16, signed short int short, Int16 2 bytes
INT32, signed int int, Int32 4 bytes
INT64 long, Int64 8 bytes
LONG int, Int32 4 bytes
LONG32, signed int int, Int32 4 bytes
LONG64 long, Int64 8 bytes
LONGLONG long, Int64 8 bytes
SHORT, signed short int short, Int16 2 bytes
UCHAR, unsigned char byte 1 byte
UINT, unsigned int uint, UInt32 4 bytes
UINT16, WORD ushort, UInt16 2 bytes
UINT32, unsigned int uint, UInt32 4 bytes
UINT64 ulong, UInt64 8 bytes
ULONG, unsigned long uint, UInt32 4 bytes
ULONG32 uint, UInt32 4 bytes
ULONG64 ulong, UInt64 8 bytes
ULONGLONG ulong, UInt64 8 bytes
WORD ushort 2 bytes
void*, pointers IntPtr x86=4 bytes, x64=8 bytes

If I am missing something, or you would like me to include something else, please let me know in the comments below. Thanks!

DisplayFusion Video Roundup

March 30, 2010
DisplayFusion has been featured in a number of excellent YouTube videos, and I thought I would take some time today to highlight a few of them. This is not a complete list of all the videos about DisplayFusion, just a few randomly selected videos. I am not responsible for any of the content in these videos. Some of the videos are about older versions of DisplayFusion so the information may be a bit out of date, but I think they still have some useful tips. Enjoy!
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