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Thread32First (Compact 2013)

3/28/2014

This function retrieves information about the first thread of a process encountered in a system snapshot.

Syntax

BOOL WINAPI Thread32First(
  HANDLE hSnapshot,
  LPTHREADENTRY32 lpte
);

Parameters

Return Value

TRUE indicates that the first entry of the thread list has been copied to the buffer. FALSE indicates failure. The ERROR_NO_MORE_FILES error value, returned by GetLastError, indicates that no threads exist or the snapshot does not contain thread information.

Remarks

The calling application must set the dwSize member of THREADENTRY32 to the size, in bytes, of the structure. Thread32First changes dwSize to the number of bytes written to the structure. This number is never greater than the initial value of dwSize, but it can be smaller. If the value is smaller, do not rely on the values of members whose offsets are greater than this value. To retrieve information about other threads recorded in the same snapshot, use the Thread32Next function.

Requirements

Header

tlhelp32.h

Library

toolhelp.lib

See Also

Reference

ToolHelp Functions
CreateToolhelp32Snapshot
Thread32Next
THREADENTRY32