To define or remove a message handler using the Properties window In Class View, click the class. In the Properties window, click the Messages button. Note The Messages button is available when you select either the class name in Class View or when you click within the source window. If your project has a handler for a message, then the name of the handler appears in the right column next to the message. If the message has no handler, then click the cell in the right column in the Properties window to display the suggested name of the handler as <add>HandlerName. (For example, the WM_TIMER message handler suggests <add>OnTimer). Click the suggested name to add stub code for the function. To edit a message handler, double-click the message in Class View and edit the code in the source window. To remove a message handler, double-click the handler in the right column and select <delete>HandlerName. The function's code is commented out.
In the Properties window, click the Messages button.
Note The Messages button is available when you select either the class name in Class View or when you click within the source window.
If your project has a handler for a message, then the name of the handler appears in the right column next to the message. If the message has no handler, then click the cell in the right column in the Properties window to display the suggested name of the handler as <add>HandlerName. (For example, the WM_TIMER message handler suggests <add>OnTimer).
Click the suggested name to add stub code for the function.
To edit a message handler, double-click the message in Class View and edit the code in the source window.
To remove a message handler, double-click the handler in the right column and select <delete>HandlerName. The function's code is commented out.