Version 1.3.9.9: Disable mandator before files are loaded

MultiTool.Form/frmImportMain.vb

@@ -39,7 +39,9 @@ Public Class frmImportMain
     Private CurrentGrid As GridControl = Nothing
     Private CurrentDocument As Document = Nothing
     Private CurrentDocumentReadOnly As Boolean = False
+
     Private FilesLoading As Boolean = False
+    Private FilesLoaded As Boolean = False
 
     Public Sub New(pLogConfig As LogConfig, pConfigManager As ConfigManager(Of Config), pTemplate As Template)
         InitializeComponent()
@@ -681,7 +683,11 @@ Public Class frmImportMain
                 GridControlFiles.DataSource = Nothing
                 GridControlFiles.DataSource = DocumentLoader.Files
 
+                FilesLoaded = DocumentLoader.Files.Count > 0
+
                 txtFilesLoaded.Caption = String.Format(My.Resources.frmImportMainExtra._0__Dateien_geladen, DocumentLoader.Files.Count)
+            Else
+                FilesLoaded = False
             End If
 
         Catch ex As Exception
@@ -876,7 +882,7 @@ Public Class frmImportMain
         RibbonPageGroupReport.Enabled = True
         RibbonPageGroupTransfer.Enabled = True
 
-        lookupMandator.Enabled = True
+        lookupMandator.Enabled = FilesLoaded
         SplitContainerGrids.Enabled = True
         GridControlFiles.Enabled = True
         SetDocumentButtonsEnabled(True)