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Early Binding With Microsoft Excel

Early Binding With Microsoft Excel

Early binding can be done with Excel 5.0 and 7.0 by taking advantageof two bugs in Excel. The first bug cannot do direct early binding. Thesecond bug is an unexposed bug in which to do early binding. Be forewarnedthat using this method may not be compatible in future versions of Excel.Follow these steps to early bind with the Excel object:

  • Select References from the Tools menu.
  • Select Microsoft Excel 5.0 or Excel 7.0 Object Library:
     [Dim|Private|Public|Global] objXLRoot _	as [_ExcelApplication][Dim|Private|Public|Global] objXLApp as Excel.Application
  • To initialize the objXLRoot use the New method:
     Set objXLRoot = New [_ExcelApplication]
  • This complete code fragment illustrates the technique:
     Private Sub Command2_Click()	Dim objXL As Excel.Application	Dim objXLRoot As [_ExcelApplication]	Dim objWKB As Excel.Workbook	Set objXLRoot = New [_ExcelApplication]	Set objXL = objXLRoot.Application	objXL.Visible = True	Set objWKB = objXL.Workbooks.Add	objWKB.Worksheets(1).Range("A2").Formula = "Hello"	objWKB.Parent.ActiveCell.Formula = "Why"End Sub Private Sub Command2_Click()	Dim objXL As Excel.Application	Dim objXLRoot As [_ExcelApplication]	Dim objWKB As Excel.Workbook	Set objXLRoot = New [_ExcelApplication]	Set objXL = objXLRoot.Application	objXL.Visible = True	Set objWKB = objXL.Workbooks.Add	objWKB.Worksheets(1).Range("A2").Formula = "Hello"	objWKB.Parent.ActiveCell.Formula = "Why"End Sub
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