SAMPLE: Twins.exe Uses RegisterWindowMessage for Interapp Comm.

ID: Q66246

The information in this article applies to:

Microsoft Windows Software Development Kit (SDK) versions 3.0, 3.1

SUMMARY

The RegisterWindowMessage() function associates a unique message number with a given message name. This message number is guaranteed to be unique throughout the system but may change between Windows sessions. The new message is typically used for communication between two cooperating applications.

Using RegisterWindowMessage() is an alternative to using DDE to communicate between two or more applications. This technique is most useful if the information to be passed between applications can be contained in the wParam and/or lParam parameter of the message.

A sample application is available that demonstrates how to implement communication between two cooperating applications, using RegisterWindowMessage().

MORE INFORMATION

The following file is available for download from the Microsoft Download Center. Click the file name below to download the file:

Twins.exe

For more information about how to download files from the Microsoft Download Center, please visit the Download Center at the following Web address

http://www.microsoft.com/downloads/search.asp

and then click How to use the Microsoft Download Center.

Additional query words:

Keywords : kbfile kbsample kb16bitonly kbGrpUser kbWinOS310 kbWndw kbWndwMsg
Version : WINDOWS:3.0,3.1
Platform : WINDOWS
Issue type :