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2012-03-16 12-21-09
João Rosado
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How to downgrade solution code upgraded to Visual Studio 2010
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OS Certified
Extension
How-to
Hi guys,

Currently the OutSystems Platform supports both Visual Studio 2010 and Visual Studio 2008 to edit the extensions code.
Unfortunatly once a developer uses VS2010 to edit it the project is upgraded, and VS2008 refuses to open it again.
Note that this is not a problem is all your developers are using the same version.

- To allow the project to work again on Visual Studio 2008:
  • Open the extension in Integration Studio
  • Go to where your extension is saved on the disk and there should be a folder with the same name of the extension.
  • Open \ExtensionName\Source\NET\ExtensionName.sln in a text editor
  • Change the first 2 lines from:
Microsoft Visual Studio Solution File, Format Version 11.00
# Visual Studio 2010
  • To:
Microsoft Visual Studio Solution File, Format Version 10.00
# Visual Studio 2008
  • Save the file
  • Click Verify And Save on Integration Studio


Other tips:

- When using VS2010 do not change the target framework to 4.0 - Currently only .Net Framework v2.0 and v3.5 are supported.

- To debug extensions on a development machine use the advices on This thread. Just don't forget to change it back to Release after it's ready.

- If getting "warning CS1685" when compiling inside Visual Studio 2010:
  • Open \ExtensionName\Source\NET\ExtensionName.csproj in a text editor
  • Edit on the second line ToolsVersion="2.0" to ToolsVersion="4.0"
  • Remember to change it back to ToolsVersion="2.0" or ToolsVersion="3.5" if downgrading the project.

Regards,
João Rosado

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10 Oct 2011
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