Shutdown bug fix, and a frequency source selection feature

WinNUT_V2/WinNUT_GUI/Pref_Gui.vb

@@ -169,12 +169,14 @@
             Tb_Delay_Stop.Enabled = False
         Else
             Tb_Delay_Stop.Enabled = True
+            Number_Validating(Tb_Delay_Stop, New System.ComponentModel.CancelEventArgs())
         End If
     End Sub
 
     Private Sub Cb_ExtendTime_CheckedChanged(sender As Object, e As EventArgs) Handles Cb_ExtendTime.CheckedChanged
         If Cb_ExtendTime.Checked Then
             Tb_GraceTime.Enabled = True
+            Number_Validating(Tb_GraceTime, New System.ComponentModel.CancelEventArgs())
         Else
             Tb_GraceTime.Enabled = False
         End If
@@ -211,9 +213,13 @@
             Case "Tb_Load_Min", "Tb_Load_Max", "Tb_InF_Min", "Tb_InF_Max", "Tb_BattLimit_Load"
                 MinValue = 0
                 MaxValue = 100
-            Case "Tb_GraceTime", "Tb_Delay_Stop", "Tb_BattLimit_Time"
+            Case "Tb_BattLimit_Time"
                 MinValue = 0
                 MaxValue = 3600
+                'Min value has to be 1 as 0 can't be assigned to a timer interval (used in Shutdown_Gui)
+            Case "Tb_GraceTime", "Tb_Delay_Stop"
+                MinValue = 1
+                MaxValue = 3600
         End Select
 
         If Integer.TryParse(sender.Text, Result) Then

WinNUT_V2/WinNUT_GUI/Shutdown_Gui.vb

@@ -24,12 +24,21 @@
         LogFile.LogTracing("Load ShutDown Gui", LogLvl.LOG_DEBUG, Me)
         Me.Grace_Timer.Enabled = False
         Me.Grace_Timer.Stop()
-        Me.Grace_Timer.Interval = (WinNUT_Params.Arr_Reg_Key.Item("ExtendedShutdownDelay") * 1000)
+        'If ExtendedShutdownDelay = 0 (the default value), the next line fails and the whole shutdown sequence fails - Thus no shutdown
+        'Moved next line lower down
+        'Me.Grace_Timer.Interval = (WinNUT_Params.Arr_Reg_Key.Item("ExtendedShutdownDelay") * 1000)
         Shutdown_Timer.Interval = (WinNUT_Params.Arr_Reg_Key.Item("DelayToShutdown") * 1000)
         Me.STimer = WinNUT_Params.Arr_Reg_Key.Item("DelayToShutdown")
         Me.Remained = Me.STimer
         If WinNUT_Params.Arr_Reg_Key.Item("AllowExtendedShutdownDelay") Then
             Grace_Button.Enabled = True
+            'Moved here so it is only used if grace period is allowed
+            Try
+                Me.Grace_Timer.Interval = (WinNUT_Params.Arr_Reg_Key.Item("ExtendedShutdownDelay") * 1000)
+            Catch ex As Exception
+                'Disable Grace peroid option if Interval is set to 0
+                Grace_Button.Enabled = False
+            End Try
         Else
             Grace_Button.Enabled = False
         End If

WinNUT_V2/WinNUT_GUI/ToastPopup.vb

@@ -21,7 +21,7 @@
     Public Sub SendToast(ByVal ToastParts As String())
         'Get a toast XML template
         Dim TemplateToast As Windows.UI.Notifications.ToastTemplateType
-        If ToastParts.Count = 3 Then
+        If ToastParts.Count >= 3 Then
             TemplateToast = Windows.UI.Notifications.ToastTemplateType.ToastText04
         Else
             TemplateToast = Windows.UI.Notifications.ToastTemplateType.ToastText02
@@ -31,7 +31,7 @@
 
         'Fill in the text elements
         Dim stringElements As Windows.Data.Xml.Dom.XmlNodeList = toastXml.GetElementsByTagName("text")
-        For i = 0 To ((ToastParts.Count - 1) Or (stringElements.Count - 1)) Step 1
+        For i = 0 To ((ToastParts.Count - 1) And (stringElements.Count - 1)) Step 1
             stringElements.Item(i).InnerText = ToastParts.ElementAt(i)
         Next
 

WinNUT_V2/WinNUT_GUI/UPS_Network.vb

@@ -652,6 +652,10 @@ Public Class UPS_Network
                     Me.BattCh = Math.Floor((Me.BattV - (11.6 * nBatt)) / (0.02 * nBatt))
                 End If
                 If Me.BattRuntime >= 86400 Then
+                    'If Load is 0, the calculation results in infinity. This causes an exception in DataUpdated(), causing Me.Disconnect to run in the exception handler below.
+                    'Thus a connection is established, but is forcefully disconneced almost immediately. This cycle repeats on each connect until load is <> 0
+                    '(Example: I have a 0% load if only Pi, Microtik Router, Wifi AP and switches are running)
+                    Me.Load = If(Me.Load <> 0, Me.Load, 0.1)
                     Dim BattInstantCurrent = (Me.OutputV * Me.Load) / (Me.BattV * 100)
                     Me.BattRuntime = Math.Floor(Me.BattCapacity * 0.6 * Me.BattCh * (1 - PowerDivider) * 3600 / (BattInstantCurrent * 100))
                 End If

WinNUT_V2/WinNUT_GUI/WinNUT.vb

@@ -521,12 +521,6 @@ Public Class WinNUT
             Lbl_VSerial.Text = Me.UPS_Serial
             Lbl_VFirmware.Text = Me.UPS_Firmware
         End If
-        If Me.UPS_Status = "OL" And UPS_Network.UPS_Status = "OB" Then
-            RaiseEvent On_Battery()
-        End If
-        If Me.UPS_Status = "OB" And UPS_Network.UPS_Status = "OL" Then
-            RaiseEvent On_Line()
-        End If
         Me.UPS_BattCh = UPS_Network.UPS_BattCh
         Me.UPS_BattV = UPS_Network.UPS_BattV
         Me.UPS_BattRuntime = UPS_Network.UPS_BattRuntime
@@ -601,6 +595,12 @@ Public Class WinNUT
         LogFile.LogTracing("Update Icon", LogLvl.LOG_DEBUG, Me)
         UpdateIcon_NotifyIcon()
         RaiseEvent UpdateNotifyIconStr("Update Data", Nothing)
+        If Me.UPS_Status = "OL" And UPS_Network.UPS_Status = "OB" Then
+            RaiseEvent On_Battery()
+        End If
+        If Me.UPS_Status = "OB" And UPS_Network.UPS_Status = "OL" Then
+            RaiseEvent On_Line()
+        End If
     End Sub
 
     Private Sub Menu_Disconnect_Click(sender As Object, e As EventArgs) Handles Menu_Disconnect.Click