[Face9000]

pawn Код:

new PuttingAdminPin[MAX_PLAYERS];

In the dialog cmd, after ShowDialog:

pawn Код:

PuttingAdminPin[playerid] = 1;

To stop using commands:

pawn Код:

if(PuttingAdminPin[playerid] == 1)
{
    SendClientMessage(playerid, WHITE, "{FF4040}ERROR:{FFFFFF}Can not use commands right now.");
    return 1;
}