You need to declare a variable of the windows menu then point it to the current instance:
m_app lmenu
lmenu = this.MenuId
then you can change valid attributes:
lmenu.m_file.m_open.enabled=false
You need to declare a variable of the windows menu then point it to the current instance:
m_app lmenu
lmenu = this.MenuId
then you can change valid attributes:
lmenu.m_file.m_open.enabled=false