IsExcelStream(Stream) Method

Opens the specified file and determines whether it meets the minimal requirements to be considered an Excel-compatible stream.

Syntax

Visual Basic
C#

'Declaration
 
Public Overloads Function IsExcelStream( _
   ByVal stream As Stream _
) As Boolean

'Usage
 
Dim instance As FpSpread
Dim stream As Stream
Dim value As Boolean
 
value = instance.IsExcelStream(stream)

public bool IsExcelStream( 
   Stream 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.

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

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

Reference

FpSpread Class
FpSpread Members
Overload List