DdeConnect The DdeConnect function establishes a conversation with a server application that supports the specified service name and topic name pair. If more than one such server exists, the system selects only one.
VB4-32,5,6
Declare Function DdeConnect Lib "user32" Alias "DdeConnect" (ByVal idInst As Long, ByVal hszService As Long, ByVal hszTopic As Long, pCC As CONVCONTEXT) As Long |
Operating Systems Supported |
Requires Windows NT 3.1 or later; Requires Windows 95 or later |
- idInst
Specifies the application instance identifier obtained by a previous call to the DdeInitialize function.
- hszService
Identifies the string that specifies the service name of the server application with which a conversation is to be established. This handle must have been created by a previous call to the DdeCreateStringHandle function. If this parameter is 0L, a conversation is established with any available server.
- hszTopic
Identifies the string that specifies the name of the topic on which a conversation is to be established. This handle must have been created by a previous call to DdeCreateStringHandle. If this parameter is 0L, a conversation on any topic supported by the selected server is established.
- pCC
Points to the CONVCONTEXT structure that contains conversation context information. If this parameter is NULL, the server receives the default CONVCONTEXT structure during the XTYP_CONNECT or XTYP_WILDCONNECT transaction. |
If the function succeeds, the return value is the handle to the established conversation.
If the function fails, the return value is 0L. |
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