Controls how the transform markers are used when performing a lossless transformation for certain formats.
Public Overloads Sub WriteTransformMarker( _
ByVal id As Integer, _
ByVal data As IntPtr, _
ByVal dataLength As Integer _
The id of the metadata marker.
A pointer to unmanaged memory buffer containing the data for the metadata marker.
Number of bytes to read from data.
You should use this method to write a certain marker data into the file.
The transform mechanism is as follows:
Note: You can also use WriteTransformMarker to insert your own markers. The marker will be inserted before the current marker. You can call WriteTransformMarker as many times as you wish. Every call to WriteTransformMarker 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.
For an example, refer to Transform.
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