IPCMSG_SENDMSG, //!< Send a message to another window (or to self)
IPCMSG_CREATEWIN, //!< Create a window
IPCMSG_DESTROYWIN, //!< Destroy a window
IPCMSG_SENDMSG, //!< Send a message to another window (or to self)
IPCMSG_CREATEWIN, //!< Create a window
IPCMSG_DESTROYWIN, //!< Destroy a window