removed useless spaces

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51911 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/doxygen/overviews/ipc.h

@@ -7,9 +7,9 @@
 /////////////////////////////////////////////////////////////////////////////
 
 /*!
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  @page ipc_overview Interprocess communication overview
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  Classes: #wxServer,
  #wxConnection,
  #wxClient
@@ -17,16 +17,16 @@
  interprocess communication and network programming. This section
  only discusses one family of classes -- the DDE-like protocol --
  but here's a list of other useful classes:
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   #wxSocketEvent,
  #wxSocketBase,
  #wxSocketClient,
  #wxSocketServer: classes for the low-level TCP/IP API.
   #wxProtocol, #wxURL, #wxFTP, #wxHTTP: classes
  for programming popular Internet protocols.
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  wxWidgets' DDE-like protocol is a high-level protocol based on
  Windows DDE. There are two implementations of this DDE-like
  protocol: one using real DDE running on Windows only, and another
@@ -47,8 +47,8 @@
  equivalent wxTCP... and wxDDE... classes can be used in much the
  same way.
  Three classes are central to the DDE-like API:
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   wxClient. This represents the client application, and is used
  only within a client program.
   wxServer. This represents the server application, and is used
@@ -57,8 +57,8 @@
  client to the server - both the client and the server use an
  instance of this class, one per connection. Most DDE transactions
  operate on this object.
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  Messages between applications are usually identified by three
  variables: connection object, topic name and item name.  A data
  string is a fourth element of some messages. To create a
@@ -82,8 +82,8 @@
  overriding virtual functions in your class derived from
  wxConnection allows you to handle the DDE messages.
  To create a working server, the programmer must:
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   Derive a class from wxConnection, providing handlers for various messages sent to the server
  side of a wxConnection (e.g. OnExecute, OnRequest, OnPoke). Only
  the handlers actually required by the application need to be
@@ -94,11 +94,11 @@
  derived connection class if the connection is accepted.
   Create an instance of your server object and call Create to
  activate it, giving it a service name.
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  To create a working client, the programmer must:
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   Derive a class from wxConnection, providing handlers for various
  messages sent to the client side of a wxConnection (e.g.
  OnAdvise). Only the handlers actually required by the application
@@ -115,19 +115,19 @@
  a connection object of the derived class if the connection is
  successful.
   Use the wxConnection member functions to send messages to the server.
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  @ref datatransfer_overview
  #Examples
  @ref ddedetails_overview
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  @section datatransfer Data transfer
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  These are the ways that data can be transferred from one
  application to another. These are methods of wxConnection.
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   @b Execute: the client calls the server with a data string representing
  a command to be executed. This succeeds or fails, depending on the
  server's willingness to answer. If the client wants to find the result
@@ -143,22 +143,22 @@
   @b Advise: The client asks to be advised of any change in data
  associated with a particular item. If the server agrees, the server will
  send an OnAdvise message to the client along with the item and data.
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  The default data type is wxCF_TEXT (ASCII text), and the default data
  size is the length of the null-terminated string. Windows-specific data
  types could also be used on the PC.
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  @section ipcexamples Examples
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  See the sample programs @e server and @e client in the IPC
  samples directory.  Run the server, then the client. This demonstrates
  using the Execute, Request, and Poke commands from the client, together
  with an Advise loop: selecting an item in the server list box causes
  that item to be highlighted in the client list box.
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  @section ddedetails More DDE details
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  A wxClient object initiates the client part of a client-server
  DDE-like (Dynamic Data Exchange) conversation (available in both
  Windows and Unix).
@@ -171,7 +171,7 @@
  member can return a wxConnection of the required class, when a
  connection is made.
  For example:
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  @code
  class MyConnection: public wxConnection {
   public:
@@ -180,14 +180,14 @@
    bool OnAdvise(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format)
    { wxMessageBox(topic, data); }
  };
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  class MyClient: public wxClient {
   public:
    MyClient(void) {}
    wxConnectionBase *OnMakeConnection(void) { return new MyConnection; }
  };
  @endcode
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  Here, @b MyConnection will respond to
  #OnAdvise messages sent by the
  server by displaying a message box.
@@ -201,16 +201,16 @@
  request for a connection is accepted, and the client then
  requests an @e Advise loop from the server (an Advise loop is
  where the server calls the client when data has changed).
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  @code
  wxString server = "4242";
    wxString hostName;
    wxGetHostName(hostName);
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    // Create a new client
    MyClient *client = new MyClient;
    connection = (MyConnection *)client-MakeConnection(hostName, server, "IPC TEST");
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    if (!connection)
    {
      wxMessageBox("Failed to make connection to server", "Client Demo Error");
@@ -218,7 +218,7 @@
    }
    connection-StartAdvise("Item");
  @endcode
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  */
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