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Steve Westwood · Guest

I have a problem with a application I am using
F1Book1->SetColWidth(3,6,3000,4);
I get the error "EoleSysError with Message "Unknown interface".

What is strange is that the code works on a test program but not when I use
the same code in the real program.

The test code is:

F1Book1->Col = 2;
F1Book1->Row = 1;
F1Book1->Text = L"PRODUCT";
F1Book1->Col = 3;
F1Book1->Text = L"CAPACITY";
for(int I = 0; I < 5 ; I++)
{
F1Book1->Col = (4 + I);
F1Book1->Text = L"READING";
}
F1Book1->Row = 2;
for(int I = 0; I < 5 ; I++)
{
F1Book1->Col = (4 + I);
F1Book1->Text = (DateToStr(MyDate + I));
}
F1Book1->Row = 3;
F1Book1->SetColWidth(3,6,3000,4);
F1Book1->Write(L"myfile.xls",2);

What would cause such an error.

Thank you,

Steve