FeedGetInformation(IBuffer,Int32,Int32) Method

Supplies unmanaged memory image data to the file information process from a buffer that you provide.

Syntax

public bool FeedGetInformation( 
   IBuffer data,
   int offset,
   int length
)

public bool FeedGetInformation( 
   IBuffer data,
   int offset,
   int length
)

 function Leadtools.Codecs.RasterCodecs.FeedGetInformation(IBuffer,Int32,Int32)( 
   data ,
   offset ,
   length 
)

public:
bool FeedGetInformation( 
   IBuffer^ data,
   int offset,
   int length
)

'Declaration
 
Public Overloads Function FeedGetInformation( _
   ByVal data As IBuffer, _
   ByVal offset As Integer, _
   ByVal length As Integer _
) As Boolean

'Usage
 
Dim instance As RasterCodecs
Dim data As IBuffer
Dim offset As Integer
Dim length As Integer
Dim value As Boolean
 
value = instance.FeedGetInformation(data, offset, length)

Parameters

data: The image file unmanaged memory data.
offset: Offset from the beginning of the buffer to where the image data starts.
length: Total size (in bytes) of the image data.

Return Value

true if the get information process requires more data; false, otherwise. When this method returns false, you can break out of the loop and call StopFeedGetInformation to obtain the CodecsImageInfo object containing the information about the image file.

Remarks

Use this method with the StartFeedGetInformation and StopFeedGetInformation methods.

For a description of how the methods relate to each other, refer to StartFeedGetInformation.

Example

For an example, refer to StartFeedGetInformation.

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

Reference

RasterCodecs Class
RasterCodecs Members
Overload List