Compiling
To compile the example:
- Launch EiffelStudio.
- Click Add project
- Browse to $ISE_EIFFEL\examples\wel\commands\.
- Choose commands.ecf
- Choose the location where the project will be compiled, by default the same directory containing the configuration file.
- Click OK.
Running
After launching the program, you will see a window displayed with a similar appearance to the one illustrated above. Please follow the instructions displayed in the window.
Under the Hood
MAIN_DIALOG inherits
WEL_MAIN_DIALOG which provides the feature put_command, used to associate a
WEL_COMMAND to a Windows message received by the window. A
WEL_COMMAND contains a deferred feature, execute which is executed when the command is fired.
SHOW_COMMAND_INFORMATION,
SHOW_MOUSE_BUTTON_INFORMATION and
SHOW_MOVE_INFORMATION all inherit
WEL_COMMAND.
Note execute has an argument of type ANY which is used to pass any additional information required.
This sample contains the following classes:
- APPLICATION_IDS
- COMMANDS_DEMO
- MAIN_DIALOG
- SHOW_COMMAND_INFORMATION
- SHOW_MOUSE_BUTTON_INFORMATION
- SHOW_MOVE_INFORMATION