how can i set default my application for jpg file type

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hi everyone
i create a jpg file type in file type section my setup
but when i install my application , picassa aplication in default for opennig jpeg file and my application just vew in open with right click menu
how can i set default my application for jpg file type
thank you

Posted 20-Feb-12 16:30pm

sinaone

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Sergey Alexandrovich Kryukov · Accepted Answer · 2012-02-20T16:43:00

Start with learning the parts of the system Registry responsible for associations between file types and default applications registered to work with those file type. This is a pretty easy topic:

http://msdn.microsoft.com/en-us/library/windows/desktop/cc144158%28v=vs.85%29.aspx[^],
http://msdn.microsoft.com/en-us/library/windows/desktop/cc144160%28v=vs.85%29.aspx[^],
http://msdn.microsoft.com/en-us/library/windows/desktop/cc144154%28v=vs.85%29.aspx[^],
http://msdn.microsoft.com/en-us/library/windows/desktop/cc144156%28v=vs.85%29.aspx[^].

When this is clear, develop your code for creating an association in .NET. All you need is using the class Microsoft.Win32.Registry and related type like Microsoft.Win32.RegistryKey and Microsoft.Win32.RegistryValueKind; please see:
http://msdn.microsoft.com/en-us/library/microsoft.win32.registry.aspx[^],
http://msdn.microsoft.com/en-us/library/microsoft.win32.registrykey.aspx[^],
http://msdn.microsoft.com/en-us/library/microsoft.win32.registryvaluekind.aspx[^].

—SA

**AmitGajjar** · Accepted Answer · 2012-02-20T16:52:00

Solution 2

Hi,

Through registry entry you can do this.

Here is the link to change Open With option.

Given example is for .pdc extension. you can do the same for .jpeg file extension.

And hope you know how to modify registry value through C# code.

hope this may help you.

Thanks
-Amit.

Posted 20-Feb-12 16:52pm

AmitGajjar