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       XmClipboardRetrieve  —  A clipboard function that retrieves a data item
       from  the   clipboard   "XmClipboardRetrieve"   "clipboard   functions"


       #include <Xm/CutPaste.h>
       int XmClipboardRetrieve (display, window, format_name,
               buffer, length, num_bytes, private_id)
               Display * display;
               Window  window;
               char    * format_name;
               XtPointer       buffer;
               unsigned long   length;
               unsigned long   * num_bytes;
               long    * private_id;


       XmClipboardRetrieve  retrieves  the  current  data  item from clipboard
       storage. It returns a warning if the clipboard is locked, if  there  is
       no  data on the clipboard, or if the data needs to be truncated because
       the buffer length is too short.

       Between  a   call   to   XmClipboardStartRetrieve   and   a   call   to
       XmClipboardEndRetrieve,  multiple calls to XmClipboardRetrieve with the
       same format name result in data being  incrementally  copied  from  the
       clipboard until the data in that format has all been copied.

       The  return value XmClipboardTruncate from calls to XmClipboardRetrieve
       indicates that more data remains to be copied in the given format.   It
       is  recommended  that  any  calls  to  the  Inquire  functions that the
       application needs to make to effect the copy from the clipboard be made
       between  the  call  to  XmClipboardStartRetrieve  and the first call to
       XmClipboardRetrieve. This way, the application does not  need  to  call
       XmClipboardLock and XmClipboardUnlock.

       display   Specifies  a  pointer  to  the  Display  structure  that  was
                 returned in a previous call to XOpenDisplay or XtDisplay.

       window    Specifies  the  window  ID  of  a  widget  that  relates  the
                 application  window  to the clipboard. The widget's window ID
                 can be  obtained  through  XtWindow.   The  same  application
                 instance  should  pass  the  same  window  ID  to each of the
                 clipboard functions that it calls.

                 Specifies the name of a format in which the data is stored on
                 the clipboard.

       buffer    Specifies  the  buffer  to  which  the  application wants the
                 clipboard to copy the data.  The function allocates space  to
                 hold  the  data returned into the buffer.  The application is
                 responsible  for  managing   this   allocated   space.    The
                 application  can  recover  this  allocated  space  by calling

       length    Specifies the length of the application buffer.

       num_bytes Specifies the  number  of  bytes  of  data  copied  into  the
                 application buffer.

                 Specifies  the  private data stored with the data item by the
                 application that placed the data item on  the  clipboard.  If
                 the  application  did  not  store  private data with the data
                 item, this argument returns 0 (zero).


                 The function was successful.

                 The function failed  because  the  clipboard  was  locked  by
                 another application. The application can continue to call the
                 function again with the same parameters until the  lock  goes
                 away.  This  gives  the application the opportunity to ask if
                 the user wants to keep trying or to give up on the operation.

                 The data returned is  truncated  because  the  user  did  not
                 provide a buffer large enough to hold the data.

                 The   function   could   not   find  data  on  the  clipboard
                 corresponding to  the  format  requested.  This  could  occur
                 because  the  clipboard  is  empty;  there  is  data  on  the
                 clipboard but not in the requested format; or the data in the
                 requested  format  was  passed  by  name  and  is  no  longer


       XmClipboardEndRetrieve(3), XmClipboardLock(3), XmClipboardStartCopy(3),
       XmClipboardStartRetrieve(3), and XmClipboardUnlock(3).


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