writes script  LTCustomizer21 for AutoCAD LT reference manual

ActiveX
    Function write_script(cmd_string As String) As Boolean
C/C++
   int WINAPI LTC_write_script(const wchar_t *cmd_string);

parameter
cmd_string: command of AutoCAD LT

return value
ActiveX: True: success. False: failure
C/C++: 1: success. 0: failure

Command this function can specify is limited to command that window does not appear. because of the reason, LTCustomizer21 sets system variavle FILEDIA to 0 beforehand.

Caution
1. This function adds return code to your specific command after.

Reference
start_script()
execute_script()