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%% Name:        dobjcomp.tex
%% Purpose:     wxDataObjectComposite documentation
%% Author:      Vadim Zeitlin
%% Modified by:
%% Created:     02.11.99
%% RCS-ID:      $Id$
%% Copyright:   (c) Vadim Zeitlin
%% License:     wxWidgets license
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\section{\class{wxDataObjectComposite}}\label{wxdataobjectcomposite}

wxDataObjectComposite is the simplest 
\helpref{wxDataObject}{wxdataobject} derivation which may be sued to support
multiple formats. It contains several 
\helpref{wxDataObjectSimple}{wxdataobjectsimple} objects and supports any
format supported by at least one of them. Only one of these data objects is
{\it preferred} (the first one if not explicitly changed by using the second
parameter of \helpref{Add}{wxdataobjectcompositeadd}) and its format determines
the preferred format of the composite data object as well.

See \helpref{wxDataObject}{wxdataobject} documentation for the reasons why you
might prefer to use wxDataObject directly instead of wxDataObjectComposite for
efficiency reasons.

\wxheading{Virtual functions to override}

None, this class should be used directly.

\wxheading{Derived from}

\helpref{wxDataObject}{wxdataobject}

\wxheading{Include files}

<wx/dataobj.h>

\wxheading{See also}

\helpref{Clipboard and drag and drop overview}{wxdndoverview}, 
\helpref{wxDataObject}{wxdataobject}, 
\helpref{wxDataObjectSimple}{wxdataobjectsimple}, 
\helpref{wxFileDataObject}{wxfiledataobject}, 
\helpref{wxTextDataObject}{wxtextdataobject}, 
\helpref{wxBitmapDataObject}{wxbitmapdataobject}

\latexignore{\rtfignore{\wxheading{Members}}}

\membersection{wxDataObjectComposite::wxDataObjectComposite}\label{wxdataobjectcompositewxdataobjectcomposite}

\func{}{wxDataObjectComposite}{\void}

The default constructor.

\membersection{wxDataObjectComposite::Add}\label{wxdataobjectcompositeadd}

\func{void}{Add}{
    \param{wxDataObjectSimple }{*dataObject},
    \param{bool }{preferred = false}}

Adds the {\it dataObject} to the list of supported objects and it becomes the
preferred object if {\it preferred} is true.