>>>How can I create a app object property, I am using VFP 3.0b
>>
>>In your class designer, when modifying your application object, just use the Class menu to add a property.
>
>I'm sorry to ask this, (but actually I'm very new to classes). How can we define a app object, Till now I have seen classes based on say checkbox, command button, etc.

You may take a look at the tastrade sample. It contains a sample of an application object.