GdipFree

関数

GDI+で確保したメモリブロックを解放する。

DLLgdiplus.dll呼出規約winapi

シグネチャ

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

void GdipFree(
    void* ptr
);

パラメーター

名前	型	方向
ptr	void*	inout

戻り値の型: void

各言語での呼び出し定義

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

void GdipFree(
    void* ptr
);

[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern void GdipFree(
    IntPtr ptr   // void* in/out
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Sub GdipFree(
    ptr As IntPtr   ' void* in/out
)
End Sub

' ptr : void* in/out
Declare PtrSafe Sub GdipFree Lib "gdiplus" ( _
    ByVal ptr As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdipFree = ctypes.windll.gdiplus.GdipFree
GdipFree.restype = None
GdipFree.argtypes = [
    ctypes.POINTER(None),  # ptr : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipFree = Fiddle::Function.new(
  lib['GdipFree'],
  [
    Fiddle::TYPE_VOIDP,  # ptr : void* in/out
  ],
  Fiddle::TYPE_VOID)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipFree(
        ptr: *mut ()  // void* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern void GdipFree(IntPtr ptr);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipFree' -Namespace Win32 -PassThru
# $api::GdipFree(ptr)

#uselib "gdiplus.dll"
#func global GdipFree "GdipFree" sptr
; GdipFree ptr
; ptr : void* in/out -> "sptr"

#uselib "gdiplus.dll"
#func global GdipFree "GdipFree" sptr
; GdipFree ptr
; ptr : void* in/out -> "sptr"

; void GdipFree(void* ptr)
#uselib "gdiplus.dll"
#func global GdipFree "GdipFree" intptr
; GdipFree ptr
; ptr : void* in/out -> "intptr"

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

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipFree = gdiplus.NewProc("GdipFree")
)

// ptr (void* in/out)
r1, _, err := procGdipFree.Call(
	uintptr(ptr),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure GdipFree(
  ptr: Pointer   // void* in/out
); stdcall;
  external 'gdiplus.dll' name 'GdipFree';

result := DllCall("gdiplus\GdipFree"
    , "Ptr", ptr   ; void* in/out
    , "Int")   ; return: void

●GdipFree(ptr) = DLL("gdiplus.dll", "int GdipFree(void*)")
# 呼び出し: GdipFree(ptr)
# ptr : void* 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)。