<NME> SelectPartType.cs
<BEF> namespace DotNetSiemensPLCToolBoxLibrary.Projectfiles
{
    public enum SelectPartType
    {
        BlocksOfflineFolder = 1,
        CPUFolder = 2,
        SourceFolder = 3,
        SymbolTable = 4,
        S7ProgrammFolder = 5,
        BlocksOfflinePart = 1001, //Select a fb,fc,db,vat,...
        VariableTable = 1011,
        DataType = 1012,
        FunctionBlock = 1021,
        DataBlock = 1022,
        DataBlocks = 1023,
        VariableTableOrSymbolTable = 1030,
        
        Tag = 2001,
        IDataBlock = 2022,
        IDataBlocks = 2023,
    }
}

<MSG> fixes for TIA

<DFF> @@ -7,6 +7,7 @@ namespace DotNetSiemensPLCToolBoxLibrary.Projectfiles
         SourceFolder = 3,
         SymbolTable = 4,
         S7ProgrammFolder = 5,
+        RootProgrammFolder = 6,
         BlocksOfflinePart = 1001, //Select a fb,fc,db,vat,...
         VariableTable = 1011,
         DataType = 1012,

fixes for TIA