by Chaitanya Dhareshwar (4 Submissions)
Category: Registry
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Fri 6th July 2007
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Creates an icon in the Control Panel that links to the specified EXE file. I use this in our ServerManager - a drop in replacement for all
API Declarations
Created by Chaitanya Dhareshwar, CBD Arts (www.cbdarts.com)
Remake and Reuse as you wish - its all FREE!!!
Private Declare Function RegCloseKey Lib "advapi32" ( _
ByVal hKey As Long) As Long
Private Declare Function RegCreateKeyEx Lib "advapi32" _
Alias "RegCreateKeyExA" ( _
ByVal hKey As Long, _
ByVal lpSubKey As String, _
ByVal Reserved As Long, _
ByVal lpClass As String, _
ByVal dwOptions As Long, _
ByVal samDesired As Long, _
ByRef lpSecurityAttributes As SECURITY_ATTRIBUTES, _
ByRef phkResult As Long, _
ByRef lpdwDisposition As Long) As Long
Private Declare Function RegOpenKeyEx Lib "advapi32" _
Alias "RegOpenKeyExA" ( _
ByVal hKey As Long, _
ByVal lpSubKey As String, _
ByVal ulOptions As Long, _
ByVal samDesired As Long, _
ByRef phkResult As Long) As Long
Private Declare Function RegQueryValueEx Lib "advapi32" _
Alias "RegQueryValueExA" ( _
ByVal hKey As Long, _
ByVal lpValueName As String, _
ByVal lpReserved As Long, _
ByRef lpType As Long, _
ByVal lpData As String, _
ByRef lpcbData As Long) As Long
Private Declare Function RegSetValueEx Lib "advapi32" _
Alias "RegSetValueExA" ( _
ByVal hKey As Long, _
ByVal lpValueName As String, _
ByVal Reserved As Long, _
ByVal dwType As Long, _
ByVal lpData As String, _
ByVal cbData As Long) As Long
Private Declare Function RegSetValueExB Lib "advapi32.dll" _
Alias "RegSetValueExA" ( _
ByVal hKey As Long, _
ByVal lpValueName As String, _
ByVal Reserved As Long, _
ByVal dwType As Long, _
ByRef lpData As Byte, _
ByVal cbData As Long) As Long
Private Declare Function RegDeleteKey Lib "advapi32.dll" _
Alias "RegDeleteKeyA" ( _
ByVal hKey As Long, _
ByVal lpSubKey As String) As Long
Private Declare Function RegCreateKey Lib "advapi32.dll" _
Alias "RegCreateKeyA" ( _
ByVal hKey As Long, _
ByVal lpSubKey As String, _
phkResult As Long) As Long
Const REG_SZ = 1
Const REG_EXPAND_SZ = 2
Const REG_BINARY = 3&
Const REG_DWORD = 4
Const REG_OPTION_NON_VOLATILE = 0
Const READ_CONTROL = &H20000
Const KEY_QUERY_VALUE = &H1
Const KEY_SET_VALUE = &H2
Const KEY_CREATE_SUB_KEY = &H4
Const KEY_ENUMERATE_SUB_KEYS = &H8
Const KEY_NOTIFY = &H10
Const KEY_CREATE_LINK = &H20
Const KEY_READ = KEY_QUERY_VALUE + KEY_ENUMERATE_SUB_KEYS + KEY_NOTIFY + READ_CONTROL
Const KEY_WRITE = KEY_SET_VALUE + KEY_CREATE_SUB_KEY + READ_CONTROL
Const KEY_EXECUTE = KEY_READ
Const KEY_ALL_ACCESS = KEY_QUERY_VALUE + KEY_SET_VALUE + _
KEY_CREATE_SUB_KEY + KEY_ENUMERATE_SUB_KEYS + _
KEY_NOTIFY + KEY_CREATE_LINK + READ_CONTROL
Const HKEY_CLASSES_ROOT = &H80000000
Const HKEY_CURRENT_USER = &H80000001
Const HKEY_LOCAL_MACHINE = &H80000002
Const HKEY_USERS = &H80000003
Const HKEY_PERFORMANCE_DATA = &H80000004
Const ERROR_NONE = 0
Const ERROR_BADKEY = 2
Const ERROR_ACCESS_DENIED = 8
Const ERROR_SUCCESS = 0
Private Type SECURITY_ATTRIBUTES
nLength As Long
lpSecurityDescriptor As Long
bInheritHandle As Boolean
End Type
Dim hKey As Long, MainKeyHandle As Long
Dim rtn As Long, lBuffer As Long, sBuffer As String
Dim lBufferSize As Long
Dim lDataSize As Long
Dim ByteArray() As Byte
VBcoders
Created by Chaitanya Dhareshwar, CBD Arts (www.cbdarts.com)
Remake and Reuse as you wish - its all FREE!!!
Private Function UpdateKey(KeyRoot As Long, _
KeyName As String, _
SubKeyName As String, _
SubKeyValue As String) As Boolean
Dim rc As Long
Dim hKey As Long
Dim hDepth As Long
Dim lpAttr As SECURITY_ATTRIBUTES
lpAttr.nLength = 50
lpAttr.lpSecurityDescriptor = 0
lpAttr.bInheritHandle = True
rc = RegCreateKeyEx(KeyRoot, KeyName, 0, REG_SZ, _
REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, lpAttr, _
hKey, hDepth)
If (rc <> ERROR_SUCCESS) Then GoTo CreateKeyError
If (SubKeyValue = "") Then
SubKeyValue = " "
End If
rc = RegSetValueEx(hKey, SubKeyName, 0, REG_SZ, _
SubKeyValue, LenB(StrConv(SubKeyValue, vbFromUnicode)))
If (rc <> ERROR_SUCCESS) Then GoTo CreateKeyError
rc = RegCloseKey(hKey)
UpdateKey = True
Exit Function
CreateKeyError:
UpdateKey = False
rc = RegCloseKey(hKey)
End Function
Private Function CreateKey(SubKey As String)
Call ParseKey(SubKey, MainKeyHandle)
If MainKeyHandle Then
rtn = RegCreateKey(MainKeyHandle, SubKey, hKey)
If rtn = ERROR_SUCCESS Then
rtn = RegCloseKey(hKey)
End If
End If
End Function
Private Function DeleteKey(KeyName As String)
Call ParseKey(KeyName, MainKeyHandle)
If MainKeyHandle Then
rtn = RegDeleteKey(MainKeyHandle, KeyName)
End If
End Function
Private Function ErrorMsg(lErrorCode As Long) As String
Select Case lErrorCode
Case 1009, 1015
ErrorMsg = "The Registry Database is corrupt!"
Case 2, 1010
ErrorMsg = "Bad Key Name"
Case 1011
ErrorMsg = "Cant Open Key"
Case 4, 1012
ErrorMsg = "Cant Read Key"
Case 5
ErrorMsg = "Access to this key is denied"
Case 1013
ErrorMsg = "Cant Write Key"
Case 8, 14
ErrorMsg = "Out of memory"
Case 87
ErrorMsg = "Invalid Parameter"
Case 234
ErrorMsg = "There is more data than the buffer has been allocated to hold."
Case Else
ErrorMsg = "Undefined Error Code: " & Str$(lErrorCode)
End Select
End Function
Private Function GetMainKeyHandle(MainKeyName As String) As Long
Const HKEY_CLASSES_ROOT = &H80000000
Const HKEY_CURRENT_USER = &H80000001
Const HKEY_LOCAL_MACHINE = &H80000002
Const HKEY_USERS = &H80000003
Const HKEY_PERFORMANCE_DATA = &H80000004
Const HKEY_CURRENT_CONFIG = &H80000005
Const HKEY_DYN_DATA = &H80000006
Select Case MainKeyName
Case "HKEY_CLASSES_ROOT"
GetMainKeyHandle = HKEY_CLASSES_ROOT
Case "HKEY_CURRENT_USER"
GetMainKeyHandle = HKEY_CURRENT_USER
Case "HKEY_LOCAL_MACHINE"
GetMainKeyHandle = HKEY_LOCAL_MACHINE
Case "HKEY_USERS"
GetMainKeyHandle = HKEY_USERS
Case "HKEY_PERFORMANCE_DATA"
GetMainKeyHandle = HKEY_PERFORMANCE_DATA
Case "HKEY_CURRENT_CONFIG"
GetMainKeyHandle = HKEY_CURRENT_CONFIG
Case "HKEY_DYN_DATA"
GetMainKeyHandle = HKEY_DYN_DATA
End Select
End Function
Private Sub ParseKey(KeyName As String, Keyhandle As Long)
rtn = InStr(KeyName, "\")
If Left(KeyName, 5) <> "HKEY_" Or Right(KeyName, 1) = "\" Then
MsgBox "Incorrect Format:" + Chr(10) + Chr(10) + KeyName
Exit Sub
ElseIf rtn = 0 Then
Keyhandle = GetMainKeyHandle(KeyName)
KeyName = ""
Else
Keyhandle = GetMainKeyHandle(Left(KeyName, rtn - 1))
KeyName = Right(KeyName, Len(KeyName) - rtn)
End If
End Sub
Private Function SetBinaryValue(SubKey As String, Entry As String, _
Value As String, Optional ByVal DisplayErrorMsg As Boolean = True)
Dim i As Long
Call ParseKey(SubKey, MainKeyHandle)
If MainKeyHandle Then
rtn = RegOpenKeyEx(MainKeyHandle, SubKey, 0, KEY_WRITE, hKey)
If rtn = ERROR_SUCCESS Then
lDataSize = Len(Value)
ReDim ByteArray(lDataSize)
For i = 1 To lDataSize
ByteArray(i) = Asc(Mid$(Value, i, 1))
Next
rtn = RegSetValueExB(hKey, Entry, 0, REG_BINARY, ByteArray(1), lDataSize)
If Not rtn = ERROR_SUCCESS Then
If DisplayErrorMsg = True Then
MsgBox ErrorMsg(rtn)
End If
End If
rtn = RegCloseKey(hKey)
Else
If DisplayErrorMsg = True Then
MsgBox ErrorMsg(rtn)
End If
End If
End If
End Function
Public Function CreateEntryToSystemPanel(GUID As String, _
Titel As String, _
ToolTipText As String, _
IconDatei As String, _
FileToOpen As String)
UpdateKey HKEY_CLASSES_ROOT, "CLSID\" & GUID, "", Titel
UpdateKey HKEY_CLASSES_ROOT, "CLSID\" & GUID, "InfoTip", ToolTipText
UpdateKey HKEY_CLASSES_ROOT, "CLSID\" & GUID & "\DefaultIcon", "", IconDatei
UpdateKey HKEY_CLASSES_ROOT, "CLSID\" & GUID & "\InProcServer32", "", "shell32.dll"
UpdateKey HKEY_CLASSES_ROOT, "CLSID\" & GUID & "\InProcServer32", "ThreadingModel", "Apartment"
UpdateKey HKEY_CLASSES_ROOT, "CLSID\" & GUID & "\Shell\Open\Command", "", FileToOpen
Dim sKey As String
sKey = "SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\"
UpdateKey HKEY_LOCAL_MACHINE, sKey & "Desktop\NameSpace\" & GUID, "", ""
UpdateKey HKEY_LOCAL_MACHINE, sKey & "ControlPanel\NameSpace\" & GUID, "", ""
CreateKey "HKEY_CLASSES_ROOT\CLSID\" & GUID & "\ShellFolder"
SetBinaryValue "HKEY_CLASSES_ROOT\CLSID\" & GUID & "\ShellFolder", _
"Attributes", Chr$(0) + Chr$(0) + Chr$(0) + Chr$(0)
End Function
Public Function DeleteEntryFromSystemPanel(GUID As String)
Dim sKey As String
sKey = "SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\"
DeleteKey "HKEY_CLASSES_ROOT\CLSID\" & GUID
DeleteKey "HKEY_CLASSES_ROOT\CLSID\" & GUID & "\DefaultIcon"
DeleteKey "HKEY_CLASSES_ROOT\CLSID\" & GUID & "\InProcServer32"
DeleteKey "HKEY_CLASSES_ROOT\CLSID\" & GUID & "\Shell\Open\Command"
DeleteKey "HKEY_CLASSES_ROOT\CLSID\" & GUID & "\ShellEx\PropertySheetHandlers\" & GUID & ""
DeleteKey "HKEY_CLASSES_ROOT\CLSID\" & GUID & "\ShellFolder"
DeleteKey "HKEY_LOCAL_MACHINE\" & sKey & "\Desktop\NameSpace\" & GUID
DeleteKey "HKEY_LOCAL_MACHINE\" & sKey & "\ControlPanel\NameSpace\" & GUID
End Function
Sub CreatePanelIcon()
Create icon in control panel
CreateEntryToSystemPanel "{9d6D8ED6-116D-4D4E-B1C2-87098DB509BA}", _
"Tip: Click to die!", _
"This is my pet icon", _
App.Path & "\" & "project1.exe,0", _
App.Path & "\" & "project1.exe -options"
RemoveControlPanelIcon: DeleteEntryFromSystemPanel "{9d6D8ED6-116D-4D4E-B1C2-87098DB509BA}"
End Sub
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