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Visual Basic / File & Disk Operations / SHAutoComplete

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Added: 2002-08-19

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' Add this to a form with a Label (Label1) textbox (Text1) and
' a command button (Command1)
'
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Declarations
Highlight AllOption Explicit 'Flags to control the operation of SHAutoComplete. 'The first four are used to override the Internet 'Explorer registry settings. The user can change 'these settings manually by launching the Internet 'Options property sheet from the Tools menu and 'clicking the Advanced tab.The last five can be 'used to specify which files or URLs will be 'available for autoappend or autosuggest operations. 'Ignore registry default and force feature on Private Const SHACF_AUTOSUGGEST_FORCE_ON As Long = &H10000000 'Ignore registry default and force feature off. Private Const SHACF_AUTOSUGGEST_FORCE_OFF As Long = &H20000000 'Ignore registry default and force feature on. (Also know as AutoComplete) Private Const SHACF_AUTOAPPEND_FORCE_ON As Long = &H40000000 'Ignore registry default and force feature off. (Also know as AutoComplete) Private Const SHACF_AUTOAPPEND_FORCE_OFF As Long = &H80000000 'Currently (SHACF_FILESYSTEM \| SHACF_URLALL) Private Const SHACF_DEFAULT As Long = &H0 'Includes the File System as well as the rest 'of the shell (DesktopMy ComputerControl Panel) Private Const SHACF_FILESYSTEM As Long = &H1 'URLs in the User's History Private Const SHACF_URLHISTORY As Long = &H2 'URLs in the User's Recently Used list Private Const SHACF_URLMRU As Long = &H4 Private Const SHACF_URLALL As Long = (SHACF_URLHISTORY Or SHACF_URLMRU) 'Identifies the platform for which the DLL was built. Private Const DLLVER_PLATFORM_WINDOWS As Long = &H1 'Windows 95 Private Const DLLVER_PLATFORM_NT As Long = &H2 'Windows NT Private Type DllVersionInfo cbSize As Long dwMajorVersion As Long dwMinorVersion As Long dwBuildNumber As Long dwPlatformID As Long End Type Private Declare Function SHAutoComplete _ Lib "Shlwapi.dll" _ (ByVal hwndEdit As Long, _ ByVal dwFlags As Long) As Long Private Declare Function DllGetVersion _ Lib "Shlwapi.dll" _ (dwVersion As DllVersionInfo) As Long Private Function GetIEVersion(DVI As DllVersionInfo) As Long DVI.cbSize = Len(DVI) Call DllGetVersion(DVI) GetIEVersion = DVI.dwMajorVersion End Function Private Function GetIEVersionString() As String Dim DVI As DllVersionInfo DVI.cbSize = Len(DVI) Call DllGetVersion(DVI) GetIEVersionString = "Internet Explorer " & _ DVI.dwMajorVersion & "." & _ DVI.dwMinorVersion & "." & _ DVI.dwBuildNumber End Function
Code
Highlight AllPrivate Sub Command1_Click() Dim DVI As DllVersionInfo If GetIEVersion(DVI) >= 5 Then 'Turn on auto-complete Call SHAutoComplete(Text1.hWnd, SHACF_DEFAULT) 'update the captions and set focus to the textbox Command1.Caption = "SHAutoComplete is On" Command1.Enabled = False Text1.SetFocus Text1.SelStart = Len(Text1.Text) Else 'damn! MsgBox "Sorry ... you need IE5 to use this demo", vbExclamation End If End Sub Private Sub Form_Load() 'dim a DllVersionInfo type Dim DVI As DllVersionInfo 'display the version of Shlwapi Label1 = "Using Shlwapi.dll for " & GetIEVersionString 'if not 5 or greater, can't do it Command1.Enabled = GetIEVersion(DVI) >= 5 Command1.Caption = "SHAutoComplete is Off" End Sub

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