Opens the specified file and determines whether it meets the minimal requirements to be considered an Excel-compatible stream.
Syntax
| Visual Basic (Declaration) | |
|---|
Public Overloads Function IsExcelStream( _
ByVal stream As Stream _
) As Boolean |
| Visual Basic (Usage) |  Copy Code |
|---|
Dim instance As FpSpread
Dim stream As Stream
Dim value As Boolean
value = instance.IsExcelStream(stream) |
Parameters
- stream
- Stream
Return Value
Boolean: true if it is an Excel stream; false otherwise
Example
This example opens an Excel file if the condition is met.
| C# | Copy Code |
|---|
string f;
f = "D:\\pic.xls";
System.IO.FileStream s = new System.IO.FileStream(f, IO.FileMode.Open, IO.FileAccess.ReadWrite);
bool b = fpSpread1.IsExcelStream(s);
if (b == true)
{
fpSpread1.OpenExcel(s);
}
|
| Visual Basic | Copy Code |
|---|
Dim f As String
f = "D:\pic.xls"
Dim s As New System.IO.FileStream(f, IO.FileMode.Open, IO.FileAccess.ReadWrite)
Dim b As Boolean = FpSpread1.IsExcelStream(s)
If b = True Then
FpSpread1.OpenExcel(s)
End If |
Requirements
Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8
See Also
