This the code for learning Revit API. It is from Autodesk.

1_Revit_API_Intro\DocsCS\Revit Intro Lab1 - Hello World.docx
.................\......\Revit Intro Lab2 - DB Element.docx
.................\......\Revit Intro Lab3 - Element Filtering.docx
.................\......\Revit Intro Lab4 - Element Modification.docx
.................\......\Revit Intro Lab5 - ModelCreation.docx
.................\......\Revit Intro Lab6 - Extensible Storage.docx
.................\......\Revit Intro Lab7 - Shared Parameter.docx
.................\....VB\Revit Intro Lab1 - Hello World.docx
.................\......\Revit Intro Lab2 - DB Element.docx
.................\......\Revit Intro Lab3 - Element Filtering.docx
.................\......\Revit Intro Lab4 - Element Modification.docx
.................\......\Revit Intro Lab5 - ModelCreation.docx
.................\......\Revit Intro Lab6 - Extensible Storage.docx
.................\......\Revit Intro Lab7 - Shared Parameter.docx
.................\SourceCS\1_HelloWorld.cs
.................\........\2_DbElement.cs
.................\........\3_ElementFiltering.cs
.................\........\4_ElementModification.cs
.................\........\5_ModelCreation.cs
.................\........\5_ModelCreationExport.cs
.................\........\6_ExtensibleStorage.cs
.................\........\7_SharedParameter.cs
.................\........\AdnpIntroCs.addin
.................\........\bin\Debug\IntroCs.dll
.................\........\...\.....\IntroCs.pdb
.................\........\IntroCs.csproj
.................\........\IntroCs.csproj.user
.................\........\IntroCs.sln
.................\........\IntroCs.suo
.................\........\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
.................\........\...\.....\IntroCs.csproj.FileListAbsolute.txt
.................\........\...\.....\IntroCs.csprojResolveAssemblyReference.cache
.................\........\...\.....\IntroCs.dll
.................\........\...\.....\IntroCs.pdb
.................\........\Properties\AssemblyInfo.cs
.................\........\Util.cs
.................\......VB\1_HelloWorld.vb
.................\........\2_DbElement.vb
.................\........\3_ElementFiltering.vb
.................\........\4_ElementModification.vb
.................\........\5_ModelCreation.vb
.................\........\5_ModelCreationExport.vb
.................\........\6_ExtensibleStorage.vb
.................\........\7_SharedParameter.vb
.................\........\AdnpIntroVb.addin
.................\........\bin\Debug\IntroVb.dll
.................\........\...\.....\IntroVb.pdb
.................\........\...\.....\TemplateRevitVB.xml
.................\........\IntroVb.sln
.................\........\IntroVb.vbproj
.................\........\IntroVb.vbproj.user
.................\........\My Project\AssemblyInfo.vb
.................\........\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
.................\........\...\.....\IntroVb.dll
.................\........\...\.....\IntroVb.pdb
.................\........\...\.....\IntroVb.vbproj.FileListAbsolute.txt
.................\........\...\.....\IntroVb.vbprojResolveAssemblyReference.cache
.................\........\...\.....\TemplateRevitVB.xml
.................\........\Util.vb
2_Revit_UI_API\DocsCS\Revit Ui Lab1 - Ribbon.docx
..............\......\Revit Ui Lab2 - Selection.docx
..............\......\Revit Ui Lab3 - TaskDialog.docx
..............\......\Revit Ui Lab4 - Event.docx
..............\....VB\Revit Ui Lab1 - Ribbon.docx
..............\......\Revit Ui Lab2 - Selection.docx
..............\......\Revit Ui Lab3 - TaskDialog.docx
..............\......\Revit Ui Lab4 - Event.docx
..............\Images\Annotation.ico
..............\......\Basics.ico
..............\......\DataExchange.ico
..............\......\Elements.ico
..............\......\Families.ico
..............\......\Geometry.ico
..............\......\House.ico
..............\......\ImgCommandArguments.png
..............\......\ImgCommandArgumentsSmall.png
..............\......\ImgCommandSmall.png
..............\......\ImgHelloWorld.png
..............\......\ImgHelloWorl

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