Delphi Inter Process Communication using SendMessage
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Domain - www.delphi-central.com
Category - Delphi/Networking
Submitted By - Shekhar
Submitted on - 2008-04-16 06:43:28
Windows is built around messages. You can create and send messages to windows (or controls) within a Delphi application. In addition, applications send messages to each other, and applications even send messages to themselves.
The SendMessage API function requires 4 arguments. The first argument is the handle of the window to which the message is addressed; the second argument-usually a symbolic constant-is the numeric value of the message. ...