Questions And Answers for PowerBuilder Interviews

Question

What is MDI_1?

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Answer

MDI_1 control represents the 'Client Area' in a 'MDI frame' or 'MDI frame with Microhelp'. That means, all the window area other than 'Titlebar', 'Menu', Microhelp statusbar' is MDI_1. When you paint any object in the MDI window, you need to resize the client area programmatically by referencing MDI_1, otherwise, MDI_1 control size is not determined. That means, we can't see any sheet that we open in the client area, unless we resize the MDI_1 control.

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