The name of the class.


The background color of the window.


Displays a Color common dialog box that enables you to select a color.


A small bitmap whose location on the screen is controlled by a pointing device, such as a mouse, pen, or trackball.


Displays an Open common dialog box that lets you specify the drive, directory, and the name of a file to open.


Small bitmap serves as a class icon.


Displays an Open common dialog box that lets you specify the drive, directory, and the name of a file to open.


Specifies the class style, regarding redrawing window, device context and double-click message.


Displays a list of style that can be combined.


Specifies the number of extra bytes to allocate following the window instance.


Specifies the number of extra bytes to allocate following the window-class structure.