Public Overloads Function OpenExcel( _
   ByVal fileName As String, _
   ByVal openFlags As ExcelOpenFlags, _
   ByVal warningList As ExcelWarningList, _
   ByVal password As String, _
   ByVal isClearInputMapKey As Boolean _
) As Boolean

Dim instance As FpSpread
Dim fileName As String
Dim openFlags As ExcelOpenFlags
Dim warningList As ExcelWarningList
Dim password As String
Dim isClearInputMapKey As Boolean
Dim value As Boolean
 
value = instance.OpenExcel(fileName, openFlags, warningList, password, isClearInputMapKey)

public bool OpenExcel( 
   string fileName,
   ExcelOpenFlags openFlags,
   ExcelWarningList warningList,
   string password,
   bool isClearInputMapKey
)

string f;  
f = "D:\\mptest.xls";  
fpSpread1.OpenExcel(f, FarPoint.Excel.ExcelOpenFlags.DataOnly, new FarPoint.Excel.ExcelWarningList(), "test", false);

Dim f As String 
f = "D:\mptest.xls"
FpSpread1.OpenExcel(f, FarPoint.Excel.ExcelOpenFlags.DataOnly, New FarPoint.Excel.ExcelWarningList(), "test", False)