DIMTMOVE system variable
Function Description:
The DIMTMOVE system variable is used to set the moving rulers for dimension text.
Type : Integer 
Saved in : Drawing 
Initial value : 0 
Range : 0,1,2
System Variable Value:
0 : the dimension line and dimension text moves together 
1 : add a leader when moving dimension text 
2 : dimension text could move freely without additional leaders