Class Tab, Window Properties Dialog Box

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:

Entry	Description
Class Name	The name (or ordinal number) of this window class.
Class Styles	A combination of class style codes.
Class Bytes	Application-specific data associated with this window class.
Class Atom	The atom for the class returned by the RegisterClass call.
Instance Handle	The instance handle of the module that registered the class. Instance handles are not unique.
Window Bytes	The 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 Proc	The 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 Name	The name of the main menu that is associated with windows of this class ("none" if there is no menu).
Icon Handle	The handle for the icon that is associated with windows of this class ("none" if there is no icon).
Cursor Handle	The handle for the cursor that is associated with windows of this class ("none" if there is no cursor).
Bkgnd Brush	The 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).