Leadtools.Codecs Namespace > RasterCodecs Class > WriteTransformMarker Method : WriteTransformMarker(Int32,IntPtr,Int32) Method |
'Declaration Public Overloads Sub WriteTransformMarker( _ ByVal id As Integer, _ ByVal data As IntPtr, _ ByVal dataLength As Integer _ )
'Usage Dim instance As RasterCodecs Dim id As Integer Dim data As IntPtr Dim dataLength As Integer instance.WriteTransformMarker(id, data, dataLength)
function Leadtools.Codecs.RasterCodecs.WriteTransformMarker(Int32,IntPtr,Int32)( id , data , dataLength )
You should use this method to write a certain marker data into the file.
This method can be called only from within the CodecsTransformMarkerCallback passed to the Transform method.
The transform mechanism is as follows:
Note: You can also use WriteTransformMarker(Int32,Byte[],Int32,Int32) to insert your own markers. The marker will be inserted before the current marker. You can call WriteTransformMarker(Int32,Byte[],Int32,Int32) as many times as you wish. Every call to WriteTransformMarker(Int32,Byte[],Int32,Int32) will insert a new marker.
Warning: Incorrect handling of the markers will generate corrupt files! Since some markers contain important information about the image (image width, height, compression method, colorspace, etc), you should use caution when working with markers.
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