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Old Windows 95 Excel macro convert to new Excel 2000

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dagur777

Chemical
Nov 11, 2001
18
I found one spreadsheet using old Windows 95 Excel macro. I tried to run the macro, there was a run-time error

Run-time error “1004”

Your program contains an invalid external reference to a worksheet
Verify the path, workbook, and range name or cell reference are correct, and try again


Sub RunSolver()
Application.ExecuteExcel4Macro String:= _
"[SOLVER.XLA]SOLVER!SOLVER.SOLVE()"
Call Constraints
End Sub

The error message is highlighted as
"Application.ExecuteExcel4Macro String:=
"[SOLVER.XLA]SOLVER!SOLVER.SOLVE()"

Could anyone tell me how to correct it (using MS Excel 2000)? I notice that new Solver library uses SOLVER32.DLL and SOLVER.XLA. (the old file Windows 95 uses SOLVER.DLL and SOLVER.XLA)

If the above "Application.ExecuteExcel4Macro String:=...." needs to be rewrite, how to do it?

Thanks
 
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Check the visual basic help for xl2000. Here's an excerpt from the help text I found:

SolverSolve Function


Begins a Solver solution run. Equivalent to clicking Solve in the Solver Parameters dialog box.

Before you use this function, you must establish a reference to the Solver add-in. With a Visual Basic module active, click References on the Tools menu, and then select the Solver.xla check box under Available References. If Solver.xla doesn't appear under Available References, click Browse and open Solver.xla in the \Office\Library subfolder.

Syntax

SolverSolve(UserFinish, ShowRef)

UserFinish Optional Variant. True to return the results without displaying the Solver Results dialog box. False or omitted to return the results and display the Solver Results dialog box.

ShowRef Optional Variant. Used only if True is passed to the StepThru argument of the SolverOptions function. You can pass the name of a macro (as a string) as the ShowRef argument. This macro is then called whenever Solver returns an intermediate solution.

SolverSolve Function Example

This example uses the Solver functions to maximize gross profit in a business problem. The SolverSolve function begins the Solver solution run.

Worksheets("Sheet1").Activate
SolverReset
SolverOptions Precision:=0.001
SolverOK SetCell:=Range("TotalProfit"), _
MaxMinVal:=1, _
ByChange:=Range("C4:E6")
SolverAdd CellRef:=Range("F4:F6"), _
Relation:=1, _
FormulaText:=100
SolverAdd CellRef:=Range("C4:E6"), _
Relation:=3, _
FormulaText:=0
SolverAdd CellRef:=Range("C4:E6"), _
Relation:=4
SolverSolve UserFinish:=False
SolverSave SaveArea:=Range("A33")

 
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