SymSetContext

// dbghelp.dll
#include <windows.h>

BOOL SymSetContext(
    HANDLE hProcess,
    IMAGEHLP_STACK_FRAME* StackFrame,
    void* Context   // optional
);

<DllImport("dbghelp.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SymSetContext(
    hProcess As IntPtr,   ' HANDLE
    StackFrame As IntPtr,   ' IMAGEHLP_STACK_FRAME*
    Context As IntPtr   ' void* optional
) As Boolean
End Function

' hProcess : HANDLE
' StackFrame : IMAGEHLP_STACK_FRAME*
' Context : void* optional
Declare PtrSafe Function SymSetContext Lib "dbghelp" ( _
    ByVal hProcess As LongPtr, _
    ByVal StackFrame As LongPtr, _
    ByVal Context As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SymSetContext = ctypes.windll.dbghelp.SymSetContext
SymSetContext.restype = wintypes.BOOL
SymSetContext.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.c_void_p,  # StackFrame : IMAGEHLP_STACK_FRAME*
    ctypes.POINTER(None),  # Context : void* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
SymSetContext = Fiddle::Function.new(
  lib['SymSetContext'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_VOIDP,  # StackFrame : IMAGEHLP_STACK_FRAME*
    Fiddle::TYPE_VOIDP,  # Context : void* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "dbghelp")]
extern "system" {
    fn SymSetContext(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        StackFrame: *mut IMAGEHLP_STACK_FRAME,  // IMAGEHLP_STACK_FRAME*
        Context: *mut ()  // void* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll", SetLastError = true)]
public static extern bool SymSetContext(IntPtr hProcess, IntPtr StackFrame, IntPtr Context);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_SymSetContext' -Namespace Win32 -PassThru
# $api::SymSetContext(hProcess, StackFrame, Context)

#uselib "dbghelp.dll"
#func global SymSetContext "SymSetContext" sptr, sptr, sptr
; SymSetContext hProcess, varptr(StackFrame), Context   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; StackFrame : IMAGEHLP_STACK_FRAME* -> "sptr"
; Context : void* optional -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "dbghelp.dll"
#cfunc global SymSetContext "SymSetContext" sptr, var, sptr
; res = SymSetContext(hProcess, StackFrame, Context)
; hProcess : HANDLE -> "sptr"
; StackFrame : IMAGEHLP_STACK_FRAME* -> "var"
; Context : void* optional -> "sptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; BOOL SymSetContext(HANDLE hProcess, IMAGEHLP_STACK_FRAME* StackFrame, void* Context)
#uselib "dbghelp.dll"
#cfunc global SymSetContext "SymSetContext" intptr, var, intptr
; res = SymSetContext(hProcess, StackFrame, Context)
; hProcess : HANDLE -> "intptr"
; StackFrame : IMAGEHLP_STACK_FRAME* -> "var"
; Context : void* optional -> "intptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procSymSetContext = dbghelp.NewProc("SymSetContext")
)

// hProcess (HANDLE), StackFrame (IMAGEHLP_STACK_FRAME*), Context (void* optional)
r1, _, err := procSymSetContext.Call(
	uintptr(hProcess),
	uintptr(StackFrame),
	uintptr(Context),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SymSetContext(
  hProcess: THandle;   // HANDLE
  StackFrame: Pointer;   // IMAGEHLP_STACK_FRAME*
  Context: Pointer   // void* optional
): BOOL; stdcall;
  external 'dbghelp.dll' name 'SymSetContext';

result := DllCall("dbghelp\SymSetContext"
    , "Ptr", hProcess   ; HANDLE
    , "Ptr", StackFrame   ; IMAGEHLP_STACK_FRAME*
    , "Ptr", Context   ; void* optional
    , "Int")   ; return: BOOL

●SymSetContext(hProcess, StackFrame, Context) = DLL("dbghelp.dll", "bool SymSetContext(void*, void*, void*)")
# 呼び出し: SymSetContext(hProcess, StackFrame, Context)
# hProcess : HANDLE -> "void*"
# StackFrame : IMAGEHLP_STACK_FRAME* -> "void*"
# Context : void* optional -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。