[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'System' (#rtl)

# SetThreadManager

Set the thread manager, optionally return the current thread manager.

## Declaration

Source position: threadh.inc line 117

`function SetThreadManager(`
`const NewTM: TThreadManager;`
`var OldTM: TThreadManager`
`):Boolean; function SetThreadManager(`
`const NewTM: TThreadManager`
`):Boolean;`

## Description

SetThreadManager sets the thread manager to NewTM. If OldTM is given, SetThreadManager uses it to return the previously used thread manager.

The function returns True if the threadmanager was set successfully, False if an error occurred.

For more information about thread programming, see the programmer's guide.

## Errors

If an error occurred cleaning up the previous manager, or an error occurred initializing the new manager, False is returned.

## See also

GetThreadManager |  | Return the current thread manager
TThreadManager |  | Thread manager record.