The object takes the ownership of the XReadOptions, which is
disposed of when the object is disposed of. You can make the object
release the ownership without disposing of the XReadOptions using
the parameterized overloads of Dispose
and Clear. The XReadOptions must not be
modified as long as the object has the ownership.
For Default ReadModule,
this method provides the same functionality as the SetFile method except that the image holds
additional information (PreserveTransparency).
In addition this method allows you to read any document format and
treat it as an image. See the Doc.Read method for details
of supported document formats.
For modules that use an Operation
(whether Operation
is actually null or not), if NeedsFile is true, the file
specified must exist as long as the XImage object is not cleared,
disposed of, or garbage-collected. The object does not delete the
file when it is disposed of.
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