從剪貼板讀取並保存圖片到文件

//"DibImage.h"

#if !defined(AFX_DIBIMAGE_H__254F3D1E_BB20_40DA_AE07_E8E0219DFA8C__INCLUDED_)
#define AFX_DIBIMAGE_H__254F3D1E_BB20_40DA_AE07_E8E0219DFA8C__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

DECLARE_HANDLE(HDIB);  // DIB句柄

//幾個用到的函數聲明，做全局函數使用

HGLOBAL CopyHandle (HGLOBAL h);
Word WINAPI GetPaletteSize(LPSTR lpbi);
BOOL WINAPI SaveToFile(HANDLE hDib, CFile& file);
#endif

//DibImage.cpp
#include "stdafx.h"
#include "DPASSUB.h"
#include"DibImage.h"

HGLOBAL CopyHandle (HGLOBAL h)
{
 if (h == NULL)
 {
  return NULL;
 }
 
 DWord dwLen =GlobalSize((HGLOBAL) h); // 獲取指定內存區域大小
 HGLOBAL hCopy = GlobalAlloc(GHND, dwLen); // 分配新內存空間 
 if (hCopy != NULL)       // 判斷分配是否成功
 {
  void* lpCopy = GlobalLock((HGLOBAL) hCopy);
  void* lp     = GlobalLock((HGLOBAL) h);
  
  memcpy(lpCopy, lp, dwLen);
  
  GlobalUnlock(hCopy);
  GlobalUnlock(h);
 }

 return hCopy;
}

Word WINAPI GetPaletteSize(LPSTR lpbi)
{
 DWord dwClrUsed;
     
 dwClrUsed=((LPBITMAPINFOHEADER)lpbi)->biClrUsed;
 if (dwClrUsed == 0)
  switch ( ((LPBITMAPINFOHEADER)lpbi)->biBitCount )
  {
  case 1:
   dwClrUsed=2;
   break;
  case 4:
   dwClrUsed=16;
   break;
  case 8:
   dwClrUsed=256;
   break;
  default:
   dwClrUsed=0;
   break;
  }
 return (Word)(dwClrUsed * sizeof(RGBQUAD));
}

BOOL WINAPI SaveToFile(HANDLE hDib, CFile& file)
{
 BITMAPFILEHEADER bmfHdr;
 LPBITMAPINFOHEADER lpBI;
 DWord dwDIBSize;