Opens the specified file and determines whether it meets the minimal requirements to be considered a stream containing an Excel workbook.
Syntax
| Visual Basic (Usage) |  Copy Code |
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Dim instance As FpSpread
Dim stream As Stream
Dim workbookType As ExcelWorkbookType
Dim value As Boolean
value = instance.IsExcelStream(stream, workbookType) |
Parameters
- stream
- Stream
- workbookType
- Workbook type
Exceptions
Example
This example opens the excel file if it is determined to be one.
| C# | Copy Code |
|---|
string s = "c:\\test.xls";
System.IO.FileStream str = new System.IO.FileStream(s, IO.FileMode.Open, IO.FileAccess.ReadWrite);
bool b = fpSpread1.IsExcelStream(str, FarPoint.Excel.ExcelWorkbookType.BIFF);
if (b)
{
fpSpread1.OpenExcel(s);
}
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| Visual Basic | Copy Code |
|---|
Dim s As String = "c:\test.xls"
Dim str As New System.IO.FileStream(s, IO.FileMode.Open, IO.FileAccess.ReadWrite)
Dim b As Boolean = FpSpread1.IsExcelStream(str, FarPoint.Excel.ExcelWorkbookType.BIFF)
If b Then
FpSpread1.OpenExcel(s)
End If
|
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
See Also
