Well if i type ReadFloat the cheat is not working at all, with ReadLong it's working but not good...
This is the source of the cheat, it's ahk and i tried to convert it to vb.net
the While GetKeyState ( "vk01", "P")
{
Targetped: = gta.read (0xB6F5F0, " UInt ", 0x79c)
if (Targetped = 0)
{...