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ChooseColorA

関数

色を選択する共通ダイアログを表示する(ANSI版)。

DLLCOMDLG32.dll文字セットANSI (-A)呼出規約winapi

シグネチャ

// COMDLG32.dll  (ANSI / -A)
#include <windows.h>

BOOL ChooseColorA(
    CHOOSECOLORA* param0
);

パラメーター

名前	型	方向
param0	CHOOSECOLORA*	inout

戻り値の型: BOOL

各言語での呼び出し定義

// COMDLG32.dll  (ANSI / -A)
#include <windows.h>

BOOL ChooseColorA(
    CHOOSECOLORA* param0
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMDLG32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern bool ChooseColorA(
    IntPtr param0   // CHOOSECOLORA* in/out
);

<DllImport("COMDLG32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function ChooseColorA(
    param0 As IntPtr   ' CHOOSECOLORA* in/out
) As Boolean
End Function

' param0 : CHOOSECOLORA* in/out
Declare PtrSafe Function ChooseColorA Lib "comdlg32" ( _
    ByVal param0 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

ChooseColorA = ctypes.windll.comdlg32.ChooseColorA
ChooseColorA.restype = wintypes.BOOL
ChooseColorA.argtypes = [
    ctypes.c_void_p,  # param0 : CHOOSECOLORA* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMDLG32.dll')
ChooseColorA = Fiddle::Function.new(
  lib['ChooseColorA'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : CHOOSECOLORA* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "comdlg32")]
extern "system" {
    fn ChooseColorA(
        param0: *mut CHOOSECOLORA  // CHOOSECOLORA* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("COMDLG32.dll", CharSet = CharSet.Ansi)]
public static extern bool ChooseColorA(IntPtr param0);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMDLG32_ChooseColorA' -Namespace Win32 -PassThru
# $api::ChooseColorA(param0)

#uselib "COMDLG32.dll"
#func global ChooseColorA "ChooseColorA" sptr
; ChooseColorA varptr(param0)   ; 戻り値は stat
; param0 : CHOOSECOLORA* 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 "COMDLG32.dll"
#cfunc global ChooseColorA "ChooseColorA" var
; res = ChooseColorA(param0)
; param0 : CHOOSECOLORA* 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。#uselib "COMDLG32.dll"
#cfunc global ChooseColorA "ChooseColorA" sptr
; res = ChooseColorA(varptr(param0))
; param0 : CHOOSECOLORA* in/out -> "sptr"
; ※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:

; BOOL ChooseColorA(CHOOSECOLORA* param0)
#uselib "COMDLG32.dll"
#cfunc global ChooseColorA "ChooseColorA" var
; res = ChooseColorA(param0)
; param0 : CHOOSECOLORA* 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。; BOOL ChooseColorA(CHOOSECOLORA* param0)
#uselib "COMDLG32.dll"
#cfunc global ChooseColorA "ChooseColorA" intptr
; res = ChooseColorA(varptr(param0))
; param0 : CHOOSECOLORA* in/out -> "intptr"
; ※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 (
	comdlg32 = windows.NewLazySystemDLL("COMDLG32.dll")
	procChooseColorA = comdlg32.NewProc("ChooseColorA")
)

// param0 (CHOOSECOLORA* in/out)
r1, _, err := procChooseColorA.Call(
	uintptr(param0),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ChooseColorA(
  param0: Pointer   // CHOOSECOLORA* in/out
): BOOL; stdcall;
  external 'COMDLG32.dll' name 'ChooseColorA';

result := DllCall("COMDLG32\ChooseColorA"
    , "Ptr", param0   ; CHOOSECOLORA* in/out
    , "Int")   ; return: BOOL

●ChooseColorA(param0) = DLL("COMDLG32.dll", "bool ChooseColorA(void*)")
# 呼び出し: ChooseColorA(param0)
# param0 : CHOOSECOLORA* 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)。