Added one-time warning for #150

GBM/Forms/frmGameManager.vb

@@ -1553,6 +1553,13 @@ Public Class frmGameManager
         Dim sFile As String
         Dim sFiles As String()
 
+        'Show one time warning
+        If Not (oSettings.SuppressMessages And mgrSettings.eSuppressMessages.BackupImport) = mgrSettings.eSuppressMessages.BackupImport Then
+            mgrCommon.ShowMessage(frmGameManager_WarningImportBackup, MsgBoxStyle.Information)
+            oSettings.SuppressMessages = oSettings.SetMessageField(oSettings.SuppressMessages, mgrSettings.eSuppressMessages.BackupImport)
+            oSettings.SaveSettings()
+        End If
+
         ImportBackupList.Clear()
 
         sFiles = mgrCommon.OpenMultiFileBrowser("GM_ImportBackup", frmGameManager_Choose7zImport, "7z",

GBM/Managers/mgrSettings.vb

@@ -30,6 +30,7 @@ Public Class mgrSettings
     <Flags()> Public Enum eSuppressMessages
         None = 0
         GameIDSync = 1
+        BackupImport = 2
     End Enum
 
     Property StartWithWindows As Boolean

GBM/My Project/Resources.Designer.vb

@@ -2445,6 +2445,15 @@ Namespace My.Resources
             End Get
         End Property
         
+        '''<summary>
+        '''  Looks up a localized string similar to This feature is intended to import 7-Zip backup archives compatible with the selected game configuration.[BR][BR]GBM does NOT verify these files, you should only use files created by GBM or other compatible archives that were created using the same settings as the current game configuration.[BR][BR]This message will only be shown once..
+        '''</summary>
+        Friend ReadOnly Property frmGameManager_WarningImportBackup() As String
+            Get
+                Return ResourceManager.GetString("frmGameManager_WarningImportBackup", resourceCulture)
+            End Get
+        End Property
+        
         '''<summary>
         '''  Looks up a localized string similar to XML.
         '''</summary>

GBM/My Project/Resources.resx

@@ -2248,4 +2248,7 @@
   <data name="frmGameManager_btnProcesses" xml:space="preserve">
     <value>Pro&amp;cesses...</value>
   </data>
+  <data name="frmGameManager_WarningImportBackup" xml:space="preserve">
+    <value>This feature is intended to import 7-Zip backup archives compatible with the selected game configuration.[BR][BR]GBM does NOT verify these files, you should only use files created by GBM or other compatible archives that were created using the same settings as the current game configuration.[BR][BR]This message will only be shown once.</value>
+  </data>
 </root>