Clean filename for temp files, centralize windream basepath

Global_Indexer/frmStart.vb

@@ -5,6 +5,7 @@ Imports System.Text
 Imports System.Globalization
 Imports System.Threading
 Imports System.Runtime.InteropServices
+Imports DigitalData.Modules.Language
 
 Public Class frmStart
     Public _lizenzManager As ClassLicenseManager
@@ -160,7 +161,7 @@ Public Class frmStart
         Try
             ClassDatabase.Execute_non_Query($"DELETE FROM TBGI_FILES_USER WHERE WORKED = 1 AND UPPER(USER@WORK) = UPPER('{Environment.UserName}')")
 
-            For Each oFiledropString As String In ClassFileDrop.files_dropped
+            For Each oFiledropString As String In ClassFileDrop.FilesDropped
                 If oFiledropString IsNot Nothing Then
                     LOGGER.Info(">> Check Drop-File: " & oFiledropString.ToString)
                     Dim oLastPipe = oFiledropString.LastIndexOf("|")
@@ -211,11 +212,13 @@ Public Class frmStart
                 CURRENT_FILENAME = Filerow.Item("FILENAME2WORK")
                 CURRENT_WORKFILE_GUID = Filerow.Item(0)
                 CURRENT_WORKFILE = Filerow.Item("FILENAME2WORK")
-                CURRENT_WORKFILE_HASH = NotNull(Filerow.Item("FILE_HASH"), "")
+                CURRENT_WORKFILE_HASH = Utils.NotNull(Filerow.Item("FILE_HASH"), "")
 
                 LOGGER.Info(">> CURRENT_WORKFILE: " & CURRENT_WORKFILE)
                 If File.Exists(CURRENT_WORKFILE) = True And DTACTUAL_FILES.Rows.Count > 0 Then
                     Open_IndexDialog()
+                Else
+                    Throw New FileNotFoundException("Dropped file does not exist anymore!")
                 End If
 
                 ' If multi-indexing is active, all files have been indexed by now, so we can leave the loop
@@ -254,17 +257,6 @@ Public Class frmStart
             MsgBox("Unexpected Error in Closing Application: " & vbNewLine & ex.Message, MsgBoxStyle.Critical)
         End Try
 
-        EMAIL.Clear_TempFiles()
-
-        'TempDateien löschen
-        For Each oFile In TEMP_FILES
-            Try
-                System.IO.File.Delete(oFile)
-            Catch ex As Exception
-                LOGGER.Error(ex)
-            End Try
-        Next
-
         Try
             IndexForm.DisposeViewer()
             IndexForm.Dispose()
@@ -613,14 +605,13 @@ Public Class frmStart
             }
 
             If oOpenFileDialog.ShowDialog() = DialogResult.OK Then
-                Dim i As Integer = 0
-                ClassFileDrop.files_dropped = Nothing
+                ClassFileDrop.FilesDropped.Clear()
+
                 For Each oFileName In oOpenFileDialog.FileNames
-                    ReDim Preserve ClassFileDrop.files_dropped(i)
                     LOGGER.Info(">> Chosen File: " & oFileName)
-                    ClassFileDrop.files_dropped(i) = "|DROPFROMFSYSTEM|" & oFileName
-                    i += 1
+                    ClassFileDrop.FilesDropped.Add("|DROPFROMFSYSTEM|" & oFileName)
                 Next
+
                 TimerCheckDroppedFiles.Start()
             End If
         Catch ex As Exception