GetDocumentFormat(Stream) Method
In This Topic
Determines the format of a required document from a previously instantiated Stream object.
The method firstly favors popular formats by their extension. Secondly, it validates the file content to find the proper document format.
Syntax
'Declaration
<ComVisibleAttribute(False)>
Public Overloads Shared Function GetDocumentFormat( _
ByVal As Stream _
) As DocumentFormat
[ComVisible(false)]
public static DocumentFormat GetDocumentFormat(
Stream
)
public function GetDocumentFormat(
: Stream
): DocumentFormat; static;
ComVisibleAttribute()
public static function GetDocumentFormat(
: Stream
) : DocumentFormat;
[ComVisible(false)]
public: static DocumentFormat GetDocumentFormat(
Stream*
)
[ComVisible(false)]
public:
static DocumentFormat GetDocumentFormat(
Stream^
)
Parameters
- Stream
- A System.IO.Stream object. This stream object must be initialized before it can be sent into this method and it should remain open for subsequent use.
At the same, the provided stream object must support seeking, otherwise the method will fail.
Return Value
A member of the DocumentFormat enumeration. The format of the specified document.
Example
How to properly retrieve the format of an image file stored within a stream.
Using fileStream As New FileStream("input.tif", FileMode.Open)
Dim documentFormat As GdPicture14.DocumentFormat = GdPictureDocumentUtilities.GetDocumentFormat(fileStream)
fileStream.Close()
End Using
using (FileStream fileStream = new FileStream("input.tif", FileMode.Open))
{
GdPicture14.DocumentFormat documentFormat = GdPictureDocumentUtilities.GetDocumentFormat(fileStream);
fileStream.Close();
}
Example
How to properly retrieve the format of an image file stored within a stream.
Using fileStream As New FileStream("input.tif", FileMode.Open)
Dim documentFormat As GdPicture14.DocumentFormat = GdPictureDocumentUtilities.GetDocumentFormat(fileStream)
fileStream.Close()
End Using
using (FileStream fileStream = new FileStream("input.tif", FileMode.Open))
{
GdPicture14.DocumentFormat documentFormat = GdPictureDocumentUtilities.GetDocumentFormat(fileStream);
fileStream.Close();
}
See Also
