String evaluation using vba6.dll / MSOffice

09-11-2003, 08:04 AM

ValentinBadea ValentinBadea is offline

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String evaluation using vba6.dll / MSOffice

Salut,
Please answer me:
1) It's possible to use Microsoft Office engine - a file from this program ) to integrate it into a VB program for evaluating string expresion ? Excel provides a lot of useful function (ex. MIN, MAX, LOOKUP, etc.).
2) How can I use (for the scope mentionated above) the file vba6.dll (and EbExecuteLine). Any information about that (links,attachments) ?[INDENT] Thank you !

09-11-2003, 09:09 AM

Timbo

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Add the 'MS Excel Object Library x.x' reference to your project, then you can use the various functions in the form:
x = objExcelApplication.WorksheetFunction.NameOfFunction(Arguments)

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09-12-2003, 12:19 AM

ValentinBadea ValentinBadea is offline

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Thank you for start.
I Added the 'MS Excel Object Library x.x' reference to my project and this simple code that works ! I think is a better way for evaluating strings.

Code:

Private Sub Command1_Click()
    
    Text1.Text = "MIN(23,14)"
    Text2.Text = Excel.Evaluate(Text1.Text)
    
End Sub

Thank you again !

09-12-2003, 06:22 AM

CarlR

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Posts: 331

ValentinBadea,

I would be cautious about using Excel in the background to evaluation expressions. For the simple reason that if the person attempting to run the VB program doesn't have Excel installed on their machine, or a different version of Excel, you're going to have problems getting the code to work.

There are a lot of ActiveX and VB add-ins that you could incorporate into your project that won't require the User to be using Excel in the background.

CarlR

09-15-2003, 12:53 AM

ValentinBadea ValentinBadea is offline

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Posts: 92

Reply to CarlR :
It isn't the same thing if I incorporate in References 'Ms Excel ....olb' or an other ActiveX ? I'll incorporate this component in setup program.

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