Class Tab, Window Properties Dialog Box

 

For the latest documentation on Visual Studio 2017 RC, see Visual Studio 2017 RC Documentation.

Use the Class tab to show information on the class of the selected window. To display the Window Properties Dialog Box, move the focus to the Windows View window. Select any window node in the tree, then choose Properties from the View menu.

The following settings are available on the Class tab:

EntryDescription
Class NameThe name (or ordinal number) of this window class.
Class StylesA combination of class style codes.
Class BytesApplication-specific data associated with this window class.
Class AtomThe atom for the class returned by the RegisterClass call.
Instance HandleThe instance handle of the module that registered the class. Instance handles are not unique.
Window BytesThe number of extra bytes associated with each window of this class. The meaning of these bytes is determined by the application. Expand the list box to see the byte values in DWORD format.
Window ProcThe current address of the WndProc function for windows of this class. This differs from Window Proc on the General tab if the window is subclassed.
Menu NameThe name of the main menu that is associated with windows of this class ("none" if there is no menu).
Icon HandleThe handle for the icon that is associated with windows of this class ("none" if there is no icon).
Cursor HandleThe handle for the cursor that is associated with windows of this class ("none" if there is no cursor).
Bkgnd BrushThe handle for the background brush that is associated with windows of this class, or one of the predefined COLOR_* colors for painting the window background ("none" if there is no brush).
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