@brief Send a SendEvent request containing a ClientMessage event
This function is called by all the xcb_ewmh_request* functions
whose should be used instead of calling directly this function
@param c The X connection
@param window The window where the action will be applied
@param dest The destination window (usually the root window)
@param atom The type of the message
@param data_len The length of data to be sent
@param data The data to be sent
@return The cookie associated with the SendEvent request
@brief Send a SendEvent request containing a ClientMessage event
This function is called by all the xcb_ewmh_request* functions whose should be used instead of calling directly this function
@param c The X connection @param window The window where the action will be applied @param dest The destination window (usually the root window) @param atom The type of the message @param data_len The length of data to be sent @param data The data to be sent @return The cookie associated with the SendEvent request