This *Command sets the time in centiseconds that the second mouseclick must be held down to simulate the action of Shift-doubleclick. It can also be used to disable the behaviour, by specifying a time of 0.
*Filer_DClickHold centiseconds
centiseconds | Time in centiseconds, or 0 to disable doubleclick-and-hold behaviour. |
This command was first introduced in RISC OS 5.16.