Vector.SetSubRange Method (TMtxVec)

Defines the calling vector to have the view of the same memory as Src.

Pascal

procedure SetSubRange(const Src: TMtxVec); overload;

Src vector's Length property may not change while any other object has it's own view of it.

a.SetSubRange(b,..);

This SetSubRange method is to be handled with greater care. Namely:

b can be freed before "a" and accessing "a" gives AV.
a can be further subranged with c and same problem occurs when b is freed before c.
If you resize b, all objects which have subranged b are no longer pointing to valid memory.
b can Subrange other objects. Similar problem as when changing the size of b. Again all objects which have subranged b are not longer pointing to valid memory.

All this can lead to hard to find bugs.