Mastering PowerBuilder

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Window Services

PFC has a window in the extension layer for each window type. For example, w_child, w_popup, w_response, w_main and w_frame. It has a window w_sheet that has the sheet functionality. To use these window services, you need to inherit windows from one of the above mentioned windows. As you already know, we have created the w_mdi_frame window by inheriting it from the w_frame window. The following illustration displays the PFC window inheritance hierarchy.

The following is a list of window services:

The following is the window services inheritance hierarchy diagram.

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