Subclassing ActiveX Subclassing ActiveX is a control element accomplishes a subclassing for a window stated by its handle
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Subclassing ActiveX Tags

Subclass Window state substitute text window subclass substitute Substitute Tabs gamepad substitute word substitute window behavior window function

Subclassing ActiveX Description

Subclassing ActiveX is a control element accomplishes a subclassing for a window stated by its handle. The window function is the function of a window, which completely determines the behavior of the window (and thus the reaction of the window to user inputs). This window function is replaced by another function by the Subclassing component. This function then can be freely defined in the Message event of the Subclassing control element (MS Windows API programming). It is possible to either replace (StopMessage = True) or only to supplement the original window function (StopMessage = False). The latter aspect is called also Superclassing Window functions cannot be debugged with the Subclassing control element without a crash. However still the kind of the error can be recognized, an according help file can be opened and the place of the error can also be recognized, before a crash of the IDE happens. Time to time a debugging without a crash can be performed within the Message window recall function after the method EndSubClassing is called. The call of this method should be inserted at the beginning into the Message event after an IDE crash.

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