C++获取dll文件中的icon

C++获取dll文件中的icon

值得注意的是
phiconLarge的尺寸为32x32
phiconSmall的尺寸为16x16

#include
#include
#include
void main()
{
	HICON *phiconLarge=new HICON, *phiconSmall=NULL;
	int id=ExtractIconEx(TEXT("C:\Windows\System32\imageres.dll"), -1,
		NULL, NULL, 0);
	printf("dll包含图标%d个\n", id);
	id=ExtractIconEx(TEXT("C:\Windows\System32\imageres.dll"), 2,
		phiconLarge, NULL, 3);
	printf("dll包含图标%d个\n", id);
	PICTDESC picdesc;
	picdesc.cbSizeofstruct = sizeof(PICTDESC);
	picdesc.picType = PICTYPE_ICON;
	picdesc.icon.hicon = *phiconLarge;
	IPicture* pPicture = NULL;
	OleCreatePictureIndirect(&picdesc, IID_IPicture, TRUE, (VOID**)&pPicture);
	LPSTREAM pStream;
	CreateStreamOnHGlobal(NULL, TRUE, &pStream);
	LONG size;
	HRESULT hr = pPicture->SaveAsFile(pStream, TRUE, &size);
	LARGE_INTEGER li;
	li.HighPart = 0;
	li.LowPart = 0;
	ULARGE_INTEGER ulnewpos;
	pStream->Seek(li, STREAM_SEEK_SET, &ulnewpos);
	FILE *fp = fopen("E:\desktop\pdfs\1.ico", "wb");
	ULONG uReadCount = 1;
	char buf[1024];
	while (uReadCount > 0)
	{
		pStream->Read(buf,1024, &uReadCount);
		fwrite(buf, 1, uReadCount, fp);
	}
	fclose(fp);
	pStream->Release();
}