Re: Icons for attachments added via VBA

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance


Certainly does help, thanks for this.

With this website and http://www.arcatapet.net/vbregget.cfm (note: all
except the "GetIcon" function were taken from this website) I've come
up with the following which I'm going to integrate into my spreadsheet
(FYI the last command chops off the ",<number>" from the end of the
registry entry).


Declare Function RegCloseKey& Lib "advapi32.dll" (ByVal hKey&)
Declare Function RegOpenKeyExA& Lib "advapi32.dll" (ByVal hKey&, ByVal
lpszSubKey$, dwOptions&, ByVal samDesired&, lpHKey&)
Declare Function RegQueryValueExA& Lib "advapi32.dll" (ByVal hKey&,
ByVal lpszValueName$, ByVal lpdwRes&, lpdwType&, ByVal lpDataBuff$,
nSize&)
Declare Function RegQueryValueEx& Lib "advapi32.dll" Alias
"RegQueryValueExA" (ByVal hKey&, ByVal lpszValueName$, ByVal lpdwRes&,
lpdwType&, lpDataBuff&, nSize&)

Const HKEY_CLASSES_ROOT = &H80000000
Const HKEY_CURRENT_USER = &H80000001
Const HKEY_LOCAL_MACHINE = &H80000002
Const HKEY_USERS = &H80000003

Const ERROR_SUCCESS = 0&
Const REG_SZ = 1& ' Unicode nul terminated
string
Const REG_DWORD = 4& ' 32-bit number

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 READ_CONTROL = &H20000
Const WRITE_DAC = &H40000
Const WRITE_OWNER = &H80000
Const SYNCHRONIZE = &H100000
Const STANDARD_RIGHTS_REQUIRED = &HF0000
Const STANDARD_RIGHTS_READ = READ_CONTROL
Const STANDARD_RIGHTS_WRITE = READ_CONTROL
Const STANDARD_RIGHTS_EXECUTE = READ_CONTROL
Const KEY_READ = STANDARD_RIGHTS_READ Or KEY_QUERY_VALUE Or
KEY_ENUMERATE_SUB_KEYS Or KEY_NOTIFY
Const KEY_WRITE = STANDARD_RIGHTS_WRITE Or KEY_SET_VALUE Or
KEY_CREATE_SUB_KEY
Const KEY_EXECUTE = KEY_READ


Function RegGetValue$(MainKey&, SubKey$, value$)
' MainKey must be one of the Publicly declared HKEY constants.
Dim sKeyType& 'to return the key type. This function expects
REG_SZ or REG_DWORD
Dim ret& 'returned by registry functions, should be 0&
Dim lpHKey& 'return handle to opened key
Dim lpcbData& 'length of data in returned string
Dim ReturnedString$ 'returned string value
Dim ReturnedLong& 'returned long value
If MainKey >= &H80000000 And MainKey <= &H80000006 Then
' Open key
ret = RegOpenKeyExA(MainKey, SubKey, 0&, KEY_READ, lpHKey)
If ret <> ERROR_SUCCESS Then
RegGetValue = ""
Exit Function 'No key open, so leave
End If

' Set up buffer for data to be returned in.
' Adjust next value for larger buffers.
lpcbData = 255
ReturnedString = Space$(lpcbData)

' Read key
ret& = RegQueryValueExA(lpHKey, value, ByVal 0&, sKeyType,
ReturnedString, lpcbData)
If ret <> ERROR_SUCCESS Then
RegGetValue = "" 'Value probably doesn't exist
Else
If sKeyType = REG_DWORD Then
ret = RegQueryValueEx(lpHKey, value, ByVal 0&, sKeyType,
ReturnedLong, 4)
If ret = ERROR_SUCCESS Then RegGetValue =
CStr(ReturnedLong)
Else
RegGetValue = Left$(ReturnedString, lpcbData - 1)
End If
End If
' Always close opened keys.
ret = RegCloseKey(lpHKey)
End If
End Function

Function GetIcon(strExtension As String) As String
GetIcon = RegGetValue$(HKEY_CLASSES_ROOT,
RegGetValue$(HKEY_CLASSES_ROOT, strExtension, "") & "\DefaultIcon",
"")
If InStr(GetIcon, ",") > 0 Then GetIcon = Left(GetIcon,
InStr(GetIcon, ",") - 1)
End Function


--
Nick-B
------------------------------------------------------------------------
Nick-B's Profile: http://www.excelforum.com/member.php?action=getinfo&userid=37267
View this thread: http://www.excelforum.com/showthread.php?threadid=569810

.

Relevant Pages

  • problem with perl + thread and extension
    ... struct MqS * const context, ... ret = ProcError (aTHX_ context, ... create an error: the argument stack is empty and: ...
    (comp.lang.java.programmer)
  • Re: Help with speaker code VB6
    ... > I need help with VB6 code to direct a WAV file ... Const SND_ASYNC = &H1 ... Dim ret As Integer, flags As Integer ...
    (comp.lang.basic.visual.misc)
  • RegQueryValueEx Crash
    ... ret& = RegQueryValueEx(lpHKey, Value, ByVal 0&, sKeyType, ... Dim lpcbData& 'length of data in returned string ... Dim ReturnedString$ 'returned string value ...
    (microsoft.public.vb.winapi)
  • Re: Has the file finished playing?
    ... Private Declare Function sndPlaySound Lib "winmm.dll" _ ... Private Declare Function waveOutGetNumDevs Lib "winmm" _ ... Const SND_ASYNC = &H1 ... Dim ret As Integer, flags As Integer ...
    (comp.lang.basic.visual.misc)
  • extend String (somehow!)
    ... socket changes, ... terminates with a 0x0d. ... String returnedString =new String; //its a shame I cannot extend String ...
    (comp.lang.java.programmer)