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- // ObjectWindows - (C) Copyright 1992 by Borland International
-
- #ifndef __DDECLIEN_H
- #define __DDECLIEN_H
-
- // OWL headers
- #include <owl.h>
- #include <dialog.h>
-
- // Windows header
- #include <dde.h>
-
- /*
- TDDEClient is an interface object for a DDE client.
- This was made a dialog window for the 'ProgTalk' demo because
- that is a convenient type for a window with several controls.
- */
-
- class TDDEClient : public TDialog
- {
- protected:
- HWND ServerWindow;
- WORD PendingMessage;
-
- public:
-
- /*
- DDE window constructor.
- Clear the DDE server window handle and the
- pending DDE message ID.
- */
- TDDEClient( PTWindowsObject Parent, LPSTR AName )
- : TDialog( Parent, AName ),
- ServerWindow( 0 ),
- PendingMessage( 0 )
- {}
-
- /*
- SetupWindow is called right after the DDE window
- is created to initiate the DDE conversation.
- This must be defined in a derived class in order
- to correctly determine the DDE server and topic.
- */
- virtual void SetupWindow( void ) = 0;
- /*
- Return window class name. This name corresponds
- to the class name specified for the DDE dialog
- in the resource file.
- */
- virtual LPSTR GetClassName( void )
- {
- return "DDEClient";
- }
- void InitiateDDE( char* AppName, char* TopicName );
- void TerminateDDE( void );
-
- virtual void WMDDEAck( TMessage& Msg )
- = [ WM_FIRST + WM_DDE_ACK ];
- virtual void WMDDETerminate( TMessage& Msg )
- = [ WM_FIRST + WM_DDE_TERMINATE ];
- virtual void WMClose( TMessage& Msg )
- = [ WM_FIRST + WM_CLOSE ];
- virtual void Cancel( TMessage& Msg )
- = [ ID_FIRST + IDCANCEL ];
- };
-
- inline void TDDEClient::Cancel( TMessage& Msg )
- {
- TDDEClient::WMClose( Msg );
- }
-
- #endif