public class MyClass
{
	[Start]
	public void MyVoid()
	{
		string sPages = string.Empty;
		ActionCallingContext oCTX1 = new ActionCallingContext();
		CommandLineInterpreter oCLI1 = new CommandLineInterpreter();
		oCTX1.AddParameter("TYPE", "PAGES");
		oCLI1.Execute("selectionset", oCTX1);
		oCTX1.GetParameter("PAGES", ref sPages);
		string[] sarrPages = sPages.Split(';');
		string sPageName = sarrPages[0];

		//ensure unique level codes:
		//Funktionale Zuordnung -> $
		//Aufstellungsort -> %
		sPageName = sPageName.Replace("==", "$").Replace("++", "%");
		//get location from pagename
		string sAnlage = ExtractLevelName(sPageName, "=");
		string sEinbauort = ExtractLevelName(sPageName, "+");

		MessageBox.Show(String.Format("Seitenname: {0}\nAnlage: {1}\nEinbauort: {2}", sPageName, sAnlage, sEinbauort));
	}

	private string ExtractLevelName(string sPage, string sLevel)
	{
		string sLevelName = string.Empty;

		if (sPage.Contains(sLevel))
		{
			//check existing level codes (remove all text of following level code)
			#region Funktionale Zuordnung
			if (sLevel == "$")
			{
				if (sPage.Contains("="))
				{
					sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("=") - sPage.IndexOf(sLevel));
					goto DONE;
				}
				if (sPage.Contains("%"))
				{
					sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("%") - sPage.IndexOf(sLevel));
					goto DONE;
				}
				if (sPage.Contains("+"))
				{
					sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("+") - sPage.IndexOf(sLevel));
					goto DONE;
				}
				if (sPage.Contains("&"))
				{
					//check if document type is at beginning
					if (sPage.StartsWith("&"))
					{
						//no extracting needed, when document type at beginning						
					}
					else
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("&") - sPage.IndexOf(sLevel));
						goto DONE;
					}
				}
				if (sPage.Contains("#"))
				{
					//check if user-defined is at beginning
					if (sPage.StartsWith("#"))
					{
						//no extracting needed, when user-defined at beginning
					}
					else
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("#") - sPage.IndexOf(sLevel));
						goto DONE;
					}
				}
				//no further structure identifier existing
				sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("/") - sPage.IndexOf(sLevel));
			}
			#endregion

			#region Anlage
			if (sLevel == "=")
			{
				if (sPage.Contains("%"))
				{
					sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("%") - sPage.IndexOf(sLevel));
					goto DONE;
				}
				if (sPage.Contains("+"))
				{
					sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("+") - sPage.IndexOf(sLevel));
					goto DONE;
				}
				if (sPage.Contains("&"))
				{
					//check if document type is at beginning
					if (sPage.StartsWith("&"))
					{
						//no extracting needed, when document type at beginning						
					}
					else
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("&") - sPage.IndexOf(sLevel));
						goto DONE;
					}
				}
				if (sPage.Contains("#"))
				{
					//check if user-defined is at beginning
					if (sPage.StartsWith("#"))
					{
						//no extracting needed, when user-defined at beginning
					}
					else
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("#") - sPage.IndexOf(sLevel));
						goto DONE;
					}
				}

				//no further structure identifier existing
				sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("/") - sPage.IndexOf(sLevel));
			}
			#endregion

			#region Aufstellungsort
			if (sLevel == "%")
			{
				if (sPage.Contains("+"))
				{
					sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("+") - sPage.IndexOf(sLevel));
					goto DONE;
				}
				if (sPage.Contains("&"))
				{
					//check if document type is at beginning
					if (sPage.StartsWith("&"))
					{
						//no extracting needed, when document type at beginning						
					}
					else
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("&") - sPage.IndexOf(sLevel));
						goto DONE;
					}
				}
				if (sPage.Contains("#"))
				{
					//check if user-defined is at beginning
					if (sPage.StartsWith("#"))
					{
						//no extracting needed, when user-defined at beginning
					}
					else
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("#") - sPage.IndexOf(sLevel));
						goto DONE;
					}
				}

				//no further structure identifier existing
				sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("/") - sPage.IndexOf(sLevel));
			}
			#endregion

			#region Einbauort
			if (sLevel == "+")
			{
				if (sPage.Contains("&"))
				{
					//check if document type is at beginning
					if (sPage.StartsWith("&"))
					{
						//no extracting needed, when document type at beginning						
					}
					else
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("&") - sPage.IndexOf(sLevel));
						goto DONE;
					}
				}

				if (sPage.Contains("#"))
				{
					//check if user-defined is at beginning
					if (sPage.StartsWith("#"))
					{
						//no extracting needed, when user-defined at beginning
					}
					else
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("#") - sPage.IndexOf(sLevel));
						goto DONE;
					}
				}

				//no further structure identifier existing
				sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("/") - sPage.IndexOf(sLevel));
			}
			#endregion

			#region Dokumentenart
			if (sLevel == "&")
			{
				//check if document type is at beginning
				if (sPage.StartsWith("&"))
				{
					//check further existing structures						
					if (sPage.Contains("$"))
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("$") - sPage.IndexOf(sLevel));
						goto DONE;
					}
					if (sPage.Contains("="))
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("=") - sPage.IndexOf(sLevel));
						goto DONE;
					}
					if (sPage.Contains("%"))
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("%") - sPage.IndexOf(sLevel));
						goto DONE;
					}
					if (sPage.Contains("+"))
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("+") - sPage.IndexOf(sLevel));
						goto DONE;
					}
					if (sPage.Contains("#"))
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("#") - sPage.IndexOf(sLevel));
						goto DONE;
					}

					//no further structure identifier existing
					sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("/") - sPage.IndexOf(sLevel));
					goto DONE;
				}
				else
				{
					//document typ NOT at beginning
					if (sPage.Contains("#"))
					{
						if (sPage.StartsWith("#"))
						{
							//no extracting needed, when user-defined at beginning
						}
						else
						{
							sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("#") - sPage.IndexOf(sLevel));
							goto DONE;
						}
					}

					//no further structure identifier existing
					sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("/") - sPage.IndexOf(sLevel));
				}

			}
			#endregion

			#region Benutzerdefiniert
			if (sLevel == "#")
			{
				//check if user defined is at beginning
				if (sPage.StartsWith("#"))
				{
					//check further existing structures						
					if (sPage.Contains("$"))
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("$") - sPage.IndexOf(sLevel));
						goto DONE;
					}
					if (sPage.Contains("="))
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("=") - sPage.IndexOf(sLevel));
						goto DONE;
					}
					if (sPage.Contains("%"))
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("%") - sPage.IndexOf(sLevel));
						goto DONE;
					}
					if (sPage.Contains("+"))
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("+") - sPage.IndexOf(sLevel));
						goto DONE;
					}
					if (sPage.Contains("&"))
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("&") - sPage.IndexOf(sLevel));
						goto DONE;
					}

					//no further structure identifier existing
					sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("/") - sPage.IndexOf(sLevel));
					goto DONE;
				}
				else
				{
					//document typ NOT at beginning
					if (sPage.Contains("#"))
					{
						sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("/") - sPage.IndexOf(sLevel));
						goto DONE;
					}
				}
			}
			#endregion
		}
	DONE:
		//remove page no		
		if (sLevelName == string.Empty && sPage.Contains(sLevel))
		{
			sLevelName = sPage.Substring(sPage.IndexOf(sLevel), sPage.IndexOf("/") - sPage.IndexOf(sLevel));
		}

		if (sLevelName != string.Empty)
		{
			sLevelName = sLevelName.Replace(sLevel, string.Empty);
		}

		return sLevelName;
	}

}