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Posted on 2003-12-06
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Last Modified: 2010-04-17
how can I load an html page named help.html in a browser window when I press a button named Help_btn in my visual basic program ?
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Question by:oostwijk
7 Comments
 
LVL 24

Expert Comment

by:R_Rajesh
ID: 9890839
try:

Ret& = ShellExecute(0, "open", "c:\help.htm", "", vbNull, SW_SHOWNORMAL)
or
Ret& = ShellExecute(0, "open", "www.google.com", "", vbNull, SW_SHOWNORMAL)
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LVL 24

Expert Comment

by:R_Rajesh
ID: 9890846
Private Sub Help_btn_Click()
Ret& = ShellExecute(0, "open", "www.google.com", "", vbNull, SW_SHOWNORMAL)
End Sub

Rajesh
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LVL 24

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R_Rajesh earned 50 total points
ID: 9890866
well i forgot to list the function

Private 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

Private Sub Help_btn_Click()
Ret& = ShellExecute(0, "open", "www.google.com", "", vbNull, SW_SHOWNORMAL)
End Sub
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Author Comment

by:oostwijk
ID: 9891809
Hi Rajesh,

It works fine when I use the line :
Ret& = ShellExecute(0, "open", "www.google.com", "", vbNull, SW_SHOWNORMAL)

However when I want to open a offline html page with:
Ret& = ShellExecute(0, "open", "help.html", "", vbNull, SW_SHOWNORMAL)
it doesn't work..

Can you help me out ?

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LVL 24

Expert Comment

by:R_Rajesh
ID: 9891812
give the full path:

Ret& = ShellExecute(0, "open", "c:\html\help.html", "", vbNull, SW_SHOWNORMAL)



Rajesh
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LVL 6

Expert Comment

by:valipotor
ID: 9892272
Maybe you have to use the file protocol , like this
Ret& = ShellExecute(0, "open", "file://c:\html\help.html", "", vbNull, SW_SHOWNORMAL)

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LVL 4

Expert Comment

by:bhartung
ID: 9915030
If you prefer to have programmatic control over the process rather than just shelling out (so that you can get better error information, for example), you could do this instead:

    Dim oIE As Object
   
    Set oIE = CreateObject("SHDocVw.InternetExplorer")
   
    oIE.Visible = True
   
    oIE.Navigate "http://www.sysinternals.com/"
   
    Set oIE = Nothing

If you prefer to use early binding, the TypeLib to Reference in VB is called "Microsoft Internet Controls".
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