Prepares to draw a square, i.e. a constrained box. The mouse cursor changes to a symbol, to allow the square to be drawn by dragging the cursor until the correct size has been achieved.
This macro is an alias of the square macro; both being present for purposes of backward compatibility.
Syntax
tgsquare mouse control:b? tgsquare
[no parameter]
Elect to draw the square.
mouse control
Add a mouse control sequence to handle the macro (optional)