IsDebuggerPresent

The IsDebuggerPresent function determines whether the calling process is running under the context of a debugger.

BOOL IsDebuggerPresent(VOID);

Parameters

This function has no parameters.

Return Value

If the current process is running in the context of a debugger, the return value is nonzero.

If the current process is not running in the context of a debugger, the return value is zero.

Remarks

This function allows an application to determine whether or not it is being debugged, so that it can modify its behavior. For example, an application could provide additional information using the OutputDebugString function if it is being debugged.

Requirements

  Windows NT/2000: Requires Windows NT 4.0 or later.
  Windows 95/98: Requires Windows 98.
  Header: Declared in Winbase.h; include Windows.h.
  Library: Use Kernel32.lib.

See Also

Debugging Overview, Debugging Functions, OutputDebugString