PDEBUG_EXTENSION_QUERY_VALUE_NAMES callback function (dbgeng.h)

The DebugExtensionQueryValueNames callback function recovers pseudo-register values.

 CALLBACK* PDEBUG_EXTENSION_QUERY_VALUE_NAMES DebugExtensionQueryValueNames;

Syntax

PDEBUG_EXTENSION_QUERY_VALUE_NAMES PdebugExtensionQueryValueNames;

HRESULT PdebugExtensionQueryValueNames(
  [in]  PDEBUG_CLIENT Client,
  [in]  ULONG Flags,
  [out] PWSTR Buffer,
  [in]  ULONG BufferChars,
  [out] PULONG BufferNeeded
)
{...}

Parameters

[in] Client

A client to use if the extension needs DbgEng functions.

[in] Flags

Provides behavioral flags. This parameter is currently reserved.

[out] Buffer

A string buffer that the caller provides, to be filled with the set of value names that the client wants to expose.

[in] BufferChars

The count of wide characters in Buffer.

[out] BufferNeeded

The number of wide characters that this function needs to complete successfully.

Return value

DebugExtensionQueryValueNames might return one of the following values:

This function might also return error values. For more information about possible return values, see Return Values.

Remarks

Value names must start with $$ and have a terminating NULL character. The Buffer string must also be NULL-terminated. For example, Buffer could be "$$myval1\0$$myval2\0\0".

DebugExtensionQueryValueNames is called PDEBUG_EXTENSION_QUERY_VALUE_NAMES in the Dbgeng.h header file.

Requirements

See also

DebugExtensionInitialize

DebugExtensionNotify

DebugExtensionProvideValue

DebugExtensionUninitialize

KnownStructOutput