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MsiProvideQualifiedComponentA

関数
カテゴリと修飾子で指定したコンポーネントのパスを取得し、必要なら起動時インストールする。
DLLmsi.dll文字セットANSI (-A)呼出規約winapi対応OSwindows8.0
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シグネチャ

// msi.dll  (ANSI / -A)
#include <windows.h>

DWORD MsiProvideQualifiedComponentA(
    LPCSTR szCategory,
    LPCSTR szQualifier,
    DWORD dwInstallMode,
    LPSTR lpPathBuf,   // optional
    DWORD* pcchPathBuf   // optional
);

パラメーター

名前型方向説明
szCategoryLPCSTRinコンポーネントカテゴリを示すコンポーネントID(GUID)文字列。ANSI。
szQualifierLPCSTRinカテゴリ内の具体的実装を選ぶ修飾子文字列。
dwInstallModeDWORDin提供時の動作を示すINSTALLMODEフラグ。必要なら実体をインストールする。
lpPathBufLPSTRoutoptionalコンポーネントのパスを受け取るバッファー。NULL可でサイズ取得のみ。
pcchPathBufDWORD*inoutoptionallpPathBufのサイズ(文字数)を渡し、必要長を受け取るポインター。

戻り値の型: DWORD

各言語での呼び出し定義

// msi.dll  (ANSI / -A)
#include <windows.h>

DWORD MsiProvideQualifiedComponentA(
    LPCSTR szCategory,
    LPCSTR szQualifier,
    DWORD dwInstallMode,
    LPSTR lpPathBuf,   // optional
    DWORD* pcchPathBuf   // optional
);
[DllImport("msi.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern uint MsiProvideQualifiedComponentA(
    [MarshalAs(UnmanagedType.LPStr)] string szCategory,   // LPCSTR
    [MarshalAs(UnmanagedType.LPStr)] string szQualifier,   // LPCSTR
    uint dwInstallMode,   // DWORD
    [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpPathBuf,   // LPSTR optional, out
    IntPtr pcchPathBuf   // DWORD* optional, in/out
);
<DllImport("msi.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function MsiProvideQualifiedComponentA(
    <MarshalAs(UnmanagedType.LPStr)> szCategory As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> szQualifier As String,   ' LPCSTR
    dwInstallMode As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> lpPathBuf As System.Text.StringBuilder,   ' LPSTR optional, out
    pcchPathBuf As IntPtr   ' DWORD* optional, in/out
) As UInteger
End Function
' szCategory : LPCSTR
' szQualifier : LPCSTR
' dwInstallMode : DWORD
' lpPathBuf : LPSTR optional, out
' pcchPathBuf : DWORD* optional, in/out
Declare PtrSafe Function MsiProvideQualifiedComponentA Lib "msi" ( _
    ByVal szCategory As String, _
    ByVal szQualifier As String, _
    ByVal dwInstallMode As Long, _
    ByVal lpPathBuf As String, _
    ByVal pcchPathBuf 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

MsiProvideQualifiedComponentA = ctypes.windll.msi.MsiProvideQualifiedComponentA
MsiProvideQualifiedComponentA.restype = wintypes.DWORD
MsiProvideQualifiedComponentA.argtypes = [
    wintypes.LPCSTR,  # szCategory : LPCSTR
    wintypes.LPCSTR,  # szQualifier : LPCSTR
    wintypes.DWORD,  # dwInstallMode : DWORD
    wintypes.LPSTR,  # lpPathBuf : LPSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcchPathBuf : DWORD* optional, in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiProvideQualifiedComponentA = Fiddle::Function.new(
  lib['MsiProvideQualifiedComponentA'],
  [
    Fiddle::TYPE_VOIDP,  # szCategory : LPCSTR
    Fiddle::TYPE_VOIDP,  # szQualifier : LPCSTR
    -Fiddle::TYPE_INT,  # dwInstallMode : DWORD
    Fiddle::TYPE_VOIDP,  # lpPathBuf : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # pcchPathBuf : DWORD* optional, in/out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "msi")]
extern "system" {
    fn MsiProvideQualifiedComponentA(
        szCategory: *const u8,  // LPCSTR
        szQualifier: *const u8,  // LPCSTR
        dwInstallMode: u32,  // DWORD
        lpPathBuf: *mut u8,  // LPSTR optional, out
        pcchPathBuf: *mut u32  // DWORD* optional, in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("msi.dll", CharSet = CharSet.Ansi)]
public static extern uint MsiProvideQualifiedComponentA([MarshalAs(UnmanagedType.LPStr)] string szCategory, [MarshalAs(UnmanagedType.LPStr)] string szQualifier, uint dwInstallMode, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpPathBuf, IntPtr pcchPathBuf);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiProvideQualifiedComponentA' -Namespace Win32 -PassThru
# $api::MsiProvideQualifiedComponentA(szCategory, szQualifier, dwInstallMode, lpPathBuf, pcchPathBuf)
#uselib "msi.dll"
#func global MsiProvideQualifiedComponentA "MsiProvideQualifiedComponentA" sptr, sptr, sptr, sptr, sptr
; MsiProvideQualifiedComponentA szCategory, szQualifier, dwInstallMode, varptr(lpPathBuf), varptr(pcchPathBuf)   ; 戻り値は stat
; szCategory : LPCSTR -> "sptr"
; szQualifier : LPCSTR -> "sptr"
; dwInstallMode : DWORD -> "sptr"
; lpPathBuf : LPSTR optional, out -> "sptr"
; pcchPathBuf : DWORD* optional, in/out -> "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。
出力引数: 
#uselib "msi.dll"
#cfunc global MsiProvideQualifiedComponentA "MsiProvideQualifiedComponentA" str, str, int, var, var
; res = MsiProvideQualifiedComponentA(szCategory, szQualifier, dwInstallMode, lpPathBuf, pcchPathBuf)
; szCategory : LPCSTR -> "str"
; szQualifier : LPCSTR -> "str"
; dwInstallMode : DWORD -> "int"
; lpPathBuf : LPSTR optional, out -> "var"
; pcchPathBuf : DWORD* optional, in/out -> "var"
; ※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。
出力引数: 
; DWORD MsiProvideQualifiedComponentA(LPCSTR szCategory, LPCSTR szQualifier, DWORD dwInstallMode, LPSTR lpPathBuf, DWORD* pcchPathBuf)
#uselib "msi.dll"
#cfunc global MsiProvideQualifiedComponentA "MsiProvideQualifiedComponentA" str, str, int, var, var
; res = MsiProvideQualifiedComponentA(szCategory, szQualifier, dwInstallMode, lpPathBuf, pcchPathBuf)
; szCategory : LPCSTR -> "str"
; szQualifier : LPCSTR -> "str"
; dwInstallMode : DWORD -> "int"
; lpPathBuf : LPSTR optional, out -> "var"
; pcchPathBuf : DWORD* optional, in/out -> "var"
; ※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 (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiProvideQualifiedComponentA = msi.NewProc("MsiProvideQualifiedComponentA")
)

// szCategory (LPCSTR), szQualifier (LPCSTR), dwInstallMode (DWORD), lpPathBuf (LPSTR optional, out), pcchPathBuf (DWORD* optional, in/out)
r1, _, err := procMsiProvideQualifiedComponentA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szCategory))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szQualifier))),
	uintptr(dwInstallMode),
	uintptr(lpPathBuf),
	uintptr(pcchPathBuf),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function MsiProvideQualifiedComponentA(
  szCategory: PAnsiChar;   // LPCSTR
  szQualifier: PAnsiChar;   // LPCSTR
  dwInstallMode: DWORD;   // DWORD
  lpPathBuf: PAnsiChar;   // LPSTR optional, out
  pcchPathBuf: Pointer   // DWORD* optional, in/out
): DWORD; stdcall;
  external 'msi.dll' name 'MsiProvideQualifiedComponentA';
result := DllCall("msi\MsiProvideQualifiedComponentA"
    , "AStr", szCategory   ; LPCSTR
    , "AStr", szQualifier   ; LPCSTR
    , "UInt", dwInstallMode   ; DWORD
    , "Ptr", lpPathBuf   ; LPSTR optional, out
    , "Ptr", pcchPathBuf   ; DWORD* optional, in/out
    , "UInt")   ; return: DWORD
●MsiProvideQualifiedComponentA(szCategory, szQualifier, dwInstallMode, lpPathBuf, pcchPathBuf) = DLL("msi.dll", "dword MsiProvideQualifiedComponentA(char*, char*, dword, char*, void*)")
# 呼び出し: MsiProvideQualifiedComponentA(szCategory, szQualifier, dwInstallMode, lpPathBuf, pcchPathBuf)
# szCategory : LPCSTR -> "char*"
# szQualifier : LPCSTR -> "char*"
# dwInstallMode : DWORD -> "dword"
# lpPathBuf : LPSTR optional, out -> "char*"
# pcchPathBuf : DWORD* optional, in/out -> "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)。