%DDEUNADV Release advisory link.
% DDEUNADV releases the advisory link between MATLAB and the server
% application, established by an earlier DDEADV call. The channel,
% item, and format must be the same as those specified in the call
% to DDEADV that initiated the link. If you include the timeout
% argument but accept the default format, you must specify format
% as an empty matrix.
%
% rc = DDEUNADV(channel,item,format,timeout)
%
% rc Return code: (logical) 0 indicates failure, 1 indicates success.
% channel Conversation channel from DDEINIT.
% item String specifying the DDE item name associated with
% the advisory link. For multiple items, see DDEADV.
% format (optional) If NUMERIC, a two-element array specifying the
% format of the data requested. The first element indicates a
% Windows clipboard format to use for the request. The value 1
% corresponds to CF_Text, 13 for CF_UnicodeText;
% other values can be obtained by calling CLIPFORM.
% The second element of the format array
% specifies the type of the resultant matrix. The valid
% types are NUMERIC (the default, corresponding to a value
% of 0) and STRING (corresponding to a value of 1).
% If no format given, the default format array is [1 0].
% New: If STRING, this is the clipboard format name directly.
% Supported formats are 'Text', 'UnicodeText',
% 'XlTable', and 'MatTable'.
% The left-hand-side will be STRING if 'Text' and 'UnicodeText',
% NUMERIC otherwise.
% timeout (optional) Scalar specifying the time-out limit for this
% operation. Timeout is specified in milliseconds.
% (1000 milliseconds = 1 second).
% The default value of timeout is three seconds.
%
% For example,
% Release the hot link established in the ddeadv example
% rc = ddeunadv(channel, 'r1c1:r5c5');
%
% Release a hot link with default format and value for timeout
% rc = ddeunadv(chan, 'r1c1:r5c5',[],6000);
%
% See also DDEINIT, DDETERM, DDEEXEC, DDEREQ, DDEPOKE, DDEADV, CLIPFORM.
% Copyright (c) 2001 TU Chemnitz
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