    ______________405

     , ..     -
,      ,  ,     -
,          Set-
Link.   ,        -
  DdeService  DdeTopic ,     
  SetLink. To      ,     -
      CloseLink    
 .         -
 SetLink.

  ConnectMode    ddeManual,   -
     DdeService  DdeTopic,   -
      OpenLink.   DdeServi-
ce  DdeTopic          -
     ,  ,     -
,    SetLink,     .
   ConnectMode = ddeAutomatic,   
  .   ConnectMode = ddeManual,    -
  SetLink    OpenLink.

         
        -
.

ConnectMode	DdeService  DdeTopic	^ 
ddeAutomatic	  	
	   ,  ,    	SetLink
ddeManual	  	OpenLink
	   ,  ,    	SetLink OpenLink

  .     
            -
   (  BExchange),      
 -     .   -
     DdeClientConv (  DdeClient-
Convl)   .

      .   
DdeClientConvl    DdeService  DdeTopic,   -
  ConnectMode  ddeAutomatic.    
OnClick  BExchange       -
  .

  -        ,
,       DdeService  DdeTopic,
   ConnectMode,  ddeManual.   , -
,     OnCreate    

if (! DdeClientConvl->OpenLink())

ShowMessage("    '" + DdeClientConvl->

DdeService + "'   '" + DdeClientConvl->DdeTopic + "'");

         
    .      -
  OnClick  BExchange 