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In SharePoint 2010, under page settings its possible to do change language settings at "_layouts/muisetng.aspx".

I need to know which class contains the function that is fired when clicking the OK-button.

How someone please help me find the answear to this question?

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up vote 3 down vote accepted

Apparently, you're looking for class Microsoft.SharePoint.ApplicationPages.LanguageSettingsPage from assembly Microsoft.SharePoint.ApplicationPages.dll, which can be found under following path:

c:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\CONFIG\BIN\Microsoft.SharePoint.ApplicationPages.dll

There, you will need to investigate the BtnUpdateMUISettings_Click method.

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Thank you omlin! I was blindly searching in the \14\ISAPI folder, witch was my error. – Tim Nov 7 '11 at 12:32

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