Tutorial Step 1

This sample shows you how to set up your first WEL_APPLICATION consisting of a single WEL_FRAME_WINDOW . This is one of the simplest WEL applications you can write, and the output is shown below:

Compiling

• Launch EiffelStudio.
• Click Add project
• Browse to $ISE_EIFFEL\examples\wel\tutorial\step1\.
• Choose tutorial_step1.ecf
• Choose the location where the project will be compiled, by default the same directory containing the configuration file.
• Click OK.

Running

After you launch the sample, You should see the window displayed in the screen as illustrated above. You will have full control over the window, and the program will quit when you close the window.

Note: The size and shape of the window may be different on your machine.

Under the Hood

Although this system does nothing except create and display a WEL_FRAME_WINDOW , it shows how to set up your first WEL_APPLICATION .

This sample only contains one class, TUTORIAL_STEP1 which inherits WEL_APPLICATION and redefines main_window

See Also:
Inheriting WEL application
Redefining main_window