Defines the overall look of the main window. Specifies whether the ThmUtil default window proc should process WM_SIZE and WM_SIZING events. Caption for the window. This is required if not using the StringId attribute. Identifier to the Font element that serves as the default font for the window. Height of the window's client area. Hexadecimal window style. If this is not specified the default value is: WS_OVERLAPPED | WS_VISIBLE | WS_MINIMIZEBOX | WS_SYSMENU | WS_CAPTION. If SourceX and SourceY are specified, then WS_OVERLAPPED is replaced with WS_POPUP. Relative path to an icon file for the window. Mutually exclusive with IconResource attribute. Identifier that references an icon resource in the module for the icon for the window. Mutually exclusive with IconFile attribute. Minimum height of the window. Can only be specified if AutoResize is enabled. Minimum width of the window. Can only be specified if AutoResize is enabled. X offset of the window background in the Theme/@ImageFile or Theme/@ImageResource. Can only be specified with Theme/@ImageFile or Theme/@ImageResource. Y offset of the window background in the Theme/@ImageFile or Theme/@ImageResource. Can only be specified with Theme/@ImageFile or Theme/@ImageResource. Identifier that references a string resource in the module to define the window caption. Mutually exclusive with the Caption attribute. Width of the window's client area.