v1.7

1. Rename the add-in from TkinterDesigner to Vb6Tkinter.
2. Add check update feature.
3. If only Python3 code is required, generate better Python3-style code.
4. By default, disable the option "Compatibile with Python 2/3 code".

Common.bas

@@ -1,7 +1,7 @@
 Attribute VB_Name = "Common"
 Option Explicit
 
-Public VBE As VBE
+Public VbeInst As VBE
 
 Private Declare Function GetDC Lib "user32" (ByVal hWnd As Long) As Long
 Private Declare Function GetDeviceCaps Lib "gdi32" (ByVal hdc As Long, ByVal nIndex As Long) As Long
@@ -66,6 +66,12 @@ Public g_Comps() As Object '
 
 Public g_bUnicodePrefixU As Boolean '是否在UNICODE字符串前加前缀u
 Public g_PythonExe As String '用于GUI预览，保存python.exe全路径
+Public g_AppVerString As String
+
+Public Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" (ByVal hWnd As Long, ByVal lpOperation As String, ByVal lpFile As String, ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long
+Public Const OFFICIAL_SITE As String = "https://github.com/cdhigh/Vb6Tkinter"
+Public Const OFFICIAL_RELEASES As String = "https://github.com/cdhigh/Vb6Tkinter/releases"
+Public Const OFFICIAL_UPDATE_INFO As String = "https://api.github.com/repos/cdhigh/Vb6Tkinter/releases"
 
 'PYTHON中UNICODE字符串前缀的处理函数，如果字符串中存在双字节字符，则根据选项增加适当的前缀
 '否则，只是简单的增加单引号，即使空串也增加一对单引号
@@ -403,3 +409,74 @@ Public Sub SortWidgets(ByRef aCompsSorted() As Object, ByVal cnt As Long)
     Next
 
 End Sub
+
+'将版本号字符串前面和后面非数字部分都删除掉，比如："v1.6.8 test" 将返回 "1.6.8"
+Private Function purifyVerStr(txt As String) As String
+    Dim maxCnt As Integer, idx As Integer, startIdx As Integer, endIdx As Integer
+    Dim ch As String
+    txt = Trim(txt)
+    maxCnt = Len(txt)
+    startIdx = 1
+    endIdx = maxCnt
+    '开头部分
+    For idx = 1 To maxCnt
+        ch = Mid(txt, idx, 1)
+        If (ch >= "0") And (ch <= "9") Then
+            startIdx = idx
+            Exit For
+        End If
+    Next
+    '结尾部分
+    For idx = maxCnt To 1 Step -1
+        ch = Mid(txt, idx, 1)
+        If (ch >= "0") And (ch <= "9") Then
+            endIdx = idx
+            Exit For
+        End If
+    Next
+
+    If startIdx <= endIdx Then
+        purifyVerStr = Mid(txt, startIdx, endIdx - startIdx + 1)
+    Else
+        purifyVerStr = ""
+    End If
+End Function
+
+'比较两个版本号，确定新版本号是否比老版本号更新，
+'版本号格式为：1.1.0
+Public Function isVersionNewerThan(newVer As String, currVer As String) As Boolean
+    Dim newArr As Variant, currArr As Variant, idx As Integer, maxCnt As Integer
+    Dim vn As Integer, vc As Integer
+    newVer = purifyVerStr(newVer)
+    currVer = purifyVerStr(currVer)
+    If Len(newVer) = 0 Or Len(currVer) = 0 Then
+        isVersionNewerThan = False
+        Exit Function
+    End If
+
+    newArr = Split(newVer, ".")
+    currArr = Split(currVer, ".")
+    maxCnt = UBound(newArr)
+    If UBound(currArr) < maxCnt Then '两个数组最小的一个
+        maxCnt = UBound(currArr)
+    End If
+
+    For idx = 0 To maxCnt
+        vn = Val(newArr(idx))
+        vc = Val(currArr(idx))
+        If vn > vc Then
+            isVersionNewerThan = True
+            Exit Function
+        ElseIf vn < vc Then
+            isVersionNewerThan = False
+            Exit Function
+        End If
+    Next
+
+    '如果前面都一样，则长的一个为大
+    If UBound(newArr) > UBound(currArr) Then
+        isVersionNewerThan = True
+    Else
+        isVersionNewerThan = False
+    End If
+End Function

Connect.cls

@@ -11,7 +11,7 @@ Attribute VB_GlobalNameSpace = False
 Attribute VB_Creatable = True
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
-Attribute VB_Description = "TkinterDesigner"
+Attribute VB_Description = "Vb6Tkinter"
 Option Explicit
 
 Private mcbMenuItem         As Office.CommandBarControl
@@ -41,7 +41,7 @@ Private Sub IDTExtensibility_OnStartupComplete(custom() As Variant)
 End Sub
 
 Private Sub IDTExtensibility_OnConnection(ByVal VBInst As Object, ByVal ConnectMode As VBIDE.vbext_ConnectMode, ByVal AddInInst As VBIDE.AddIn, custom() As Variant)
-    Set Common.VBE = VBInst
+    Set VbeInst = VBInst
 
     If ConnectMode = vbext_cm_Startup Or ConnectMode = vbext_cm_AfterStartup Then
         AddToMenu (App.Title & "(&T)")
@@ -84,14 +84,15 @@ End Sub
 '在外接程序菜单下增加一个菜单项
 Private Sub AddToMenu(sCaption As String)
     Dim cbMenuCommandBar As Office.CommandBarControl
-    Dim cbMenu
+    Dim cbMenu As Variant
 
     On Error Resume Next
 
     '察看能否找到外接程序菜单
-    Set cbMenu = VBE.CommandBars("Add-Ins")
+    Set cbMenu = VbeInst.CommandBars("外接程序")
+    If cbMenu Is Nothing Then Set cbMenu = VbeInst.CommandBars("Add-Ins")
     If cbMenu Is Nothing Then Exit Sub
-    
+
     '添加它到命令栏
     Set cbMenuCommandBar = cbMenu.Controls.Add(msoControlButton)
     If cbMenuCommandBar Is Nothing Then Exit Sub
@@ -101,9 +102,13 @@ Private Sub AddToMenu(sCaption As String)
     '设置标题
     cbMenuCommandBar.Caption = sCaption
 
+    'DoEvents
+    'Clipboard.SetData LoadResPicture(101, vbResBitmap)
+    'cbMenuCommandBar.PasteFace
+    'DoEvents
+
     Set mcbMenuItem = cbMenuCommandBar
-    Set MenuHandler = VBE.Events.CommandBarEvents(mcbMenuItem)
-
+    Set MenuHandler = VbeInst.Events.CommandBarEvents(mcbMenuItem)
 End Sub
 
 '在工具栏增加一个图标
@@ -113,26 +118,27 @@ Private Sub AddToToolBox(sCaption As String)
 
     '察看能否找到标准工具栏
     On Error Resume Next
-    Set cbStandard = VBE.CommandBars("标准")
-    If Err.Number <> 0 Then Set cbStandard = VBE.CommandBars("Standard")
-
+    Set cbStandard = VbeInst.CommandBars("标准")
+    If cbStandard Is Nothing Then Set cbStandard = VbeInst.CommandBars("Standard")
+    If cbStandard Is Nothing Then Set cbStandard = VbeInst.CommandBars(2)
     If cbStandard Is Nothing Then Exit Sub
 
     Err.Clear
-    On Error GoTo AddToAddInToolboxErr
+    'On Error GoTo AddToAddInToolboxErr
+    On Error Resume Next
 
     '添加它到工具栏
     Set cbToolboxCommandBar = cbStandard.Controls.Add(msoControlButton, , , cbStandard.Controls.Count)
     cbToolboxCommandBar.BeginGroup = True
     cbToolboxCommandBar.Caption = sCaption
     Set mcbToolBoxItem = cbToolboxCommandBar
+    DoEvents
     Clipboard.SetData LoadResPicture(101, vbResBitmap)
     cbToolboxCommandBar.PasteFace
+    DoEvents
 
-    Set ToolBoxHandler = VBE.Events.CommandBarEvents(mcbToolBoxItem)
-
-AddToAddInToolboxErr:
-
+    Set ToolBoxHandler = VbeInst.Events.CommandBarEvents(mcbToolBoxItem)
+'AddToAddInToolboxErr:
 End Sub
 
 Private Sub MenuHandler_Click(ByVal CommandBarControl As Object, handled As Boolean, CancelDefault As Boolean)