        /// the owner of the dialog box while the dialog box is displayed.
        /// </summary>
        DS_NOIDLEMSG = 0x100,

        /// <summary>
        /// Indicates that the header of the dialog box template (either standard or extended) contains additional data
        /// specifying the font to use for text in the client area and controls of the dialog box.
        /// If possible, the system selects a font according to the specified font data.
        /// The system passes a handle to the font to the dialog box and to each control
        /// by sending them the <see cref="WM_SETFONT"/> message.
        /// For descriptions of the format of this font data, see <see cref="DLGTEMPLATE"/> and <see cref="DLGTEMPLATEEX"/>.
        /// If neither <see cref="DS_SETFONT"/> nor <see cref="DS_SHELLFONT"/> is specified, the dialog box template does not include the font data.