Spread Windows Forms 11.0 Product Documentation
IsExcelFile(String,ExcelWorkbookType) Method
Example 


FarPoint.Win.Spread Assembly > FarPoint.Win.Spread Namespace > FpSpread Class > IsExcelFile Method : IsExcelFile(String,ExcelWorkbookType) Method
Path and name of file
Returns the type of Excel workbook
Opens the specified file and determines whether it meets the minimal requirements to be considered a structured storage file that contains an Excel workbook.
Syntax
'Declaration
 
Public Overloads Function IsExcelFile( _
   ByVal fileName As String, _
   ByRef workbookType As ExcelWorkbookType _
) As Boolean
'Usage
 
Dim instance As FpSpread
Dim fileName As String
Dim workbookType As ExcelWorkbookType
Dim value As Boolean
 
value = instance.IsExcelFile(fileName, workbookType)
public bool IsExcelFile( 
   string fileName,
   ref ExcelWorkbookType workbookType
)

Parameters

fileName
Path and name of file
workbookType
Returns the type of Excel workbook
Exceptions
ExceptionDescription
Specified file is not found
No file name is specified (or specified file name is null)
No file name is specified (or specified file name is empty)
Example
This example opens the excel file if it is determined to be one.
string s = "c:\\test.xls";
FarPoint.Excel.ExcelWorkbookType en;
en = FarPoint.Excel.ExcelWorkbookType.BIFF;
bool b = fpSpread1.IsExcelFile(s, ref en);
if (b)
{
fpSpread1.OpenExcel(s);
}
Dim s As String = "c:\test.xls"
Dim b As Boolean = FpSpread1.IsExcelFile(s, FarPoint.Excel.ExcelWorkbookType.BIFF)
If b Then
FpSpread1.OpenExcel(s)
End If
See Also

Reference

FpSpread Class
FpSpread Members
Overload List