SQLDriverConnectW

関数

接続文字列やダイアログでデータソースに接続する(Unicode)。

DLLODBC32.dll文字セットUnicode (-W)呼出規約winapi

シグネチャ

// ODBC32.dll  (Unicode / -W)
#include <windows.h>

SHORT SQLDriverConnectW(
    void* hdbc,
    INT_PTR hwnd,
    WORD* szConnStrIn,
    SHORT cchConnStrIn,
    WORD* szConnStrOut,   // optional
    SHORT cchConnStrOutMax,
    SHORT* pcchConnStrOut,   // optional
    WORD fDriverCompletion
);

パラメーター

名前	型	方向
hdbc	void*	inout
hwnd	INT_PTR	in
szConnStrIn	WORD*	in
cchConnStrIn	SHORT	in
szConnStrOut	WORD*	outoptional
cchConnStrOutMax	SHORT	in
pcchConnStrOut	SHORT*	outoptional
fDriverCompletion	WORD	in

戻り値の型: SHORT

各言語での呼び出し定義

// ODBC32.dll  (Unicode / -W)
#include <windows.h>

SHORT SQLDriverConnectW(
    void* hdbc,
    INT_PTR hwnd,
    WORD* szConnStrIn,
    SHORT cchConnStrIn,
    WORD* szConnStrOut,   // optional
    SHORT cchConnStrOutMax,
    SHORT* pcchConnStrOut,   // optional
    WORD fDriverCompletion
);

[DllImport("ODBC32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern short SQLDriverConnectW(
    IntPtr hdbc,   // void* in/out
    IntPtr hwnd,   // INT_PTR
    ref ushort szConnStrIn,   // WORD*
    short cchConnStrIn,   // SHORT
    IntPtr szConnStrOut,   // WORD* optional, out
    short cchConnStrOutMax,   // SHORT
    IntPtr pcchConnStrOut,   // SHORT* optional, out
    ushort fDriverCompletion   // WORD
);

<DllImport("ODBC32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function SQLDriverConnectW(
    hdbc As IntPtr,   ' void* in/out
    hwnd As IntPtr,   ' INT_PTR
    ByRef szConnStrIn As UShort,   ' WORD*
    cchConnStrIn As Short,   ' SHORT
    szConnStrOut As IntPtr,   ' WORD* optional, out
    cchConnStrOutMax As Short,   ' SHORT
    pcchConnStrOut As IntPtr,   ' SHORT* optional, out
    fDriverCompletion As UShort   ' WORD
) As Short
End Function

' hdbc : void* in/out
' hwnd : INT_PTR
' szConnStrIn : WORD*
' cchConnStrIn : SHORT
' szConnStrOut : WORD* optional, out
' cchConnStrOutMax : SHORT
' pcchConnStrOut : SHORT* optional, out
' fDriverCompletion : WORD
Declare PtrSafe Function SQLDriverConnectW Lib "odbc32" ( _
    ByVal hdbc As LongPtr, _
    ByVal hwnd As LongPtr, _
    ByRef szConnStrIn As Integer, _
    ByVal cchConnStrIn As Integer, _
    ByVal szConnStrOut As LongPtr, _
    ByVal cchConnStrOutMax As Integer, _
    ByVal pcchConnStrOut As LongPtr, _
    ByVal fDriverCompletion As Integer) As Integer
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SQLDriverConnectW = ctypes.windll.odbc32.SQLDriverConnectW
SQLDriverConnectW.restype = ctypes.c_short
SQLDriverConnectW.argtypes = [
    ctypes.POINTER(None),  # hdbc : void* in/out
    ctypes.c_ssize_t,  # hwnd : INT_PTR
    ctypes.POINTER(ctypes.c_ushort),  # szConnStrIn : WORD*
    ctypes.c_short,  # cchConnStrIn : SHORT
    ctypes.POINTER(ctypes.c_ushort),  # szConnStrOut : WORD* optional, out
    ctypes.c_short,  # cchConnStrOutMax : SHORT
    ctypes.POINTER(ctypes.c_short),  # pcchConnStrOut : SHORT* optional, out
    ctypes.c_ushort,  # fDriverCompletion : WORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLDriverConnectW = Fiddle::Function.new(
  lib['SQLDriverConnectW'],
  [
    Fiddle::TYPE_VOIDP,  # hdbc : void* in/out
    Fiddle::TYPE_INTPTR_T,  # hwnd : INT_PTR
    Fiddle::TYPE_VOIDP,  # szConnStrIn : WORD*
    Fiddle::TYPE_SHORT,  # cchConnStrIn : SHORT
    Fiddle::TYPE_VOIDP,  # szConnStrOut : WORD* optional, out
    Fiddle::TYPE_SHORT,  # cchConnStrOutMax : SHORT
    Fiddle::TYPE_VOIDP,  # pcchConnStrOut : SHORT* optional, out
    -Fiddle::TYPE_SHORT,  # fDriverCompletion : WORD
  ],
  Fiddle::TYPE_SHORT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "odbc32")]
extern "system" {
    fn SQLDriverConnectW(
        hdbc: *mut (),  // void* in/out
        hwnd: isize,  // INT_PTR
        szConnStrIn: *mut u16,  // WORD*
        cchConnStrIn: i16,  // SHORT
        szConnStrOut: *mut u16,  // WORD* optional, out
        cchConnStrOutMax: i16,  // SHORT
        pcchConnStrOut: *mut i16,  // SHORT* optional, out
        fDriverCompletion: u16  // WORD
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ODBC32.dll", CharSet = CharSet.Unicode)]
public static extern short SQLDriverConnectW(IntPtr hdbc, IntPtr hwnd, ref ushort szConnStrIn, short cchConnStrIn, IntPtr szConnStrOut, short cchConnStrOutMax, IntPtr pcchConnStrOut, ushort fDriverCompletion);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLDriverConnectW' -Namespace Win32 -PassThru
# $api::SQLDriverConnectW(hdbc, hwnd, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut, fDriverCompletion)

#uselib "ODBC32.dll"
#func global SQLDriverConnectW "SQLDriverConnectW" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; SQLDriverConnectW hdbc, hwnd, varptr(szConnStrIn), cchConnStrIn, varptr(szConnStrOut), cchConnStrOutMax, varptr(pcchConnStrOut), fDriverCompletion   ; 戻り値は stat
; hdbc : void* in/out -> "wptr"
; hwnd : INT_PTR -> "wptr"
; szConnStrIn : WORD* -> "wptr"
; cchConnStrIn : SHORT -> "wptr"
; szConnStrOut : WORD* optional, out -> "wptr"
; cchConnStrOutMax : SHORT -> "wptr"
; pcchConnStrOut : SHORT* optional, out -> "wptr"
; fDriverCompletion : WORD -> "wptr"
; ※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。

出力引数:

#uselib "ODBC32.dll"
#cfunc global SQLDriverConnectW "SQLDriverConnectW" sptr, sptr, var, int, var, int, var, int
; res = SQLDriverConnectW(hdbc, hwnd, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut, fDriverCompletion)
; hdbc : void* in/out -> "sptr"
; hwnd : INT_PTR -> "sptr"
; szConnStrIn : WORD* -> "var"
; cchConnStrIn : SHORT -> "int"
; szConnStrOut : WORD* optional, out -> "var"
; cchConnStrOutMax : SHORT -> "int"
; pcchConnStrOut : SHORT* optional, out -> "var"
; fDriverCompletion : WORD -> "int"
; ※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。#uselib "ODBC32.dll"
#cfunc global SQLDriverConnectW "SQLDriverConnectW" sptr, sptr, sptr, int, sptr, int, sptr, int
; res = SQLDriverConnectW(hdbc, hwnd, varptr(szConnStrIn), cchConnStrIn, varptr(szConnStrOut), cchConnStrOutMax, varptr(pcchConnStrOut), fDriverCompletion)
; hdbc : void* in/out -> "sptr"
; hwnd : INT_PTR -> "sptr"
; szConnStrIn : WORD* -> "sptr"
; cchConnStrIn : SHORT -> "int"
; szConnStrOut : WORD* optional, out -> "sptr"
; cchConnStrOutMax : SHORT -> "int"
; pcchConnStrOut : SHORT* optional, out -> "sptr"
; fDriverCompletion : WORD -> "int"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; SHORT SQLDriverConnectW(void* hdbc, INT_PTR hwnd, WORD* szConnStrIn, SHORT cchConnStrIn, WORD* szConnStrOut, SHORT cchConnStrOutMax, SHORT* pcchConnStrOut, WORD fDriverCompletion)
#uselib "ODBC32.dll"
#cfunc global SQLDriverConnectW "SQLDriverConnectW" intptr, intptr, var, int, var, int, var, int
; res = SQLDriverConnectW(hdbc, hwnd, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut, fDriverCompletion)
; hdbc : void* in/out -> "intptr"
; hwnd : INT_PTR -> "intptr"
; szConnStrIn : WORD* -> "var"
; cchConnStrIn : SHORT -> "int"
; szConnStrOut : WORD* optional, out -> "var"
; cchConnStrOutMax : SHORT -> "int"
; pcchConnStrOut : SHORT* optional, out -> "var"
; fDriverCompletion : WORD -> "int"
; ※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。; SHORT SQLDriverConnectW(void* hdbc, INT_PTR hwnd, WORD* szConnStrIn, SHORT cchConnStrIn, WORD* szConnStrOut, SHORT cchConnStrOutMax, SHORT* pcchConnStrOut, WORD fDriverCompletion)
#uselib "ODBC32.dll"
#cfunc global SQLDriverConnectW "SQLDriverConnectW" intptr, intptr, intptr, int, intptr, int, intptr, int
; res = SQLDriverConnectW(hdbc, hwnd, varptr(szConnStrIn), cchConnStrIn, varptr(szConnStrOut), cchConnStrOutMax, varptr(pcchConnStrOut), fDriverCompletion)
; hdbc : void* in/out -> "intptr"
; hwnd : INT_PTR -> "intptr"
; szConnStrIn : WORD* -> "intptr"
; cchConnStrIn : SHORT -> "int"
; szConnStrOut : WORD* optional, out -> "intptr"
; cchConnStrOutMax : SHORT -> "int"
; pcchConnStrOut : SHORT* optional, out -> "intptr"
; fDriverCompletion : WORD -> "int"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	odbc32 = windows.NewLazySystemDLL("ODBC32.dll")
	procSQLDriverConnectW = odbc32.NewProc("SQLDriverConnectW")
)

// hdbc (void* in/out), hwnd (INT_PTR), szConnStrIn (WORD*), cchConnStrIn (SHORT), szConnStrOut (WORD* optional, out), cchConnStrOutMax (SHORT), pcchConnStrOut (SHORT* optional, out), fDriverCompletion (WORD)
r1, _, err := procSQLDriverConnectW.Call(
	uintptr(hdbc),
	uintptr(hwnd),
	uintptr(szConnStrIn),
	uintptr(cchConnStrIn),
	uintptr(szConnStrOut),
	uintptr(cchConnStrOutMax),
	uintptr(pcchConnStrOut),
	uintptr(fDriverCompletion),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function SQLDriverConnectW(
  hdbc: Pointer;   // void* in/out
  hwnd: NativeInt;   // INT_PTR
  szConnStrIn: Pointer;   // WORD*
  cchConnStrIn: Smallint;   // SHORT
  szConnStrOut: Pointer;   // WORD* optional, out
  cchConnStrOutMax: Smallint;   // SHORT
  pcchConnStrOut: Pointer;   // SHORT* optional, out
  fDriverCompletion: Word   // WORD
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLDriverConnectW';

result := DllCall("ODBC32\SQLDriverConnectW"
    , "Ptr", hdbc   ; void* in/out
    , "Ptr", hwnd   ; INT_PTR
    , "Ptr", szConnStrIn   ; WORD*
    , "Short", cchConnStrIn   ; SHORT
    , "Ptr", szConnStrOut   ; WORD* optional, out
    , "Short", cchConnStrOutMax   ; SHORT
    , "Ptr", pcchConnStrOut   ; SHORT* optional, out
    , "UShort", fDriverCompletion   ; WORD
    , "Short")   ; return: SHORT

●SQLDriverConnectW(hdbc, hwnd, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut, fDriverCompletion) = DLL("ODBC32.dll", "int SQLDriverConnectW(void*, int, void*, int, void*, int, void*, int)")
# 呼び出し: SQLDriverConnectW(hdbc, hwnd, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut, fDriverCompletion)
# hdbc : void* in/out -> "void*"
# hwnd : INT_PTR -> "int"
# szConnStrIn : WORD* -> "void*"
# cchConnStrIn : SHORT -> "int"
# szConnStrOut : WORD* optional, out -> "void*"
# cchConnStrOutMax : SHORT -> "int"
# pcchConnStrOut : SHORT* optional, out -> "void*"
# fDriverCompletion : WORD -> "int"
# 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。