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GUI for .NET Programming
Creating and Using Forms and Controls : ABL support for managing .NET forms and controls : Initializing and blocking on .NET forms : Preparing to block on .NET forms
Preparing to block on .NET forms
Depending on the application and type of form you might also have to explicitly initialize the form for display by setting its Visible property to TRUE or by calling its Show( ) method. In any case, forms do not initially appear until you execute an appropriate .NET WAIT-FOR statement. After that point, you can display any other non-modal forms using their Visible properties or Show( ) methods alone.