这样找,找不到资源,返回NULL
HRSRC hRes=FindResource(NULL,MAKEINTRESOURCE(IDR_MAINFRAME),RT_ICON);资源类型改成RT_GROUP_ICON可以找到,但SizeofResource返回的资源大小始终是32字节,而实际图标文件有几个kb左右
HRSRC hRes=FindResource(NULL,MAKEINTRESOURCE(IDR_MAINFRAME),RT_GROUP_ICON);
CString str;
str.Format("%d",SizeofResource(NULL,hRes));
MessageBox(str);为什么?如何做?
HRSRC hRes=FindResource(NULL,MAKEINTRESOURCE(IDR_MAINFRAME),RT_ICON);资源类型改成RT_GROUP_ICON可以找到,但SizeofResource返回的资源大小始终是32字节,而实际图标文件有几个kb左右
HRSRC hRes=FindResource(NULL,MAKEINTRESOURCE(IDR_MAINFRAME),RT_GROUP_ICON);
CString str;
str.Format("%d",SizeofResource(NULL,hRes));
MessageBox(str);为什么?如何做?
#pragma pack(1)
typedef struct _GRPICONDIRENTRY {
BYTE bWidth; // Width, in pixels, of the image
BYTE bHeight; // Height, in pixels, of the image
BYTE bColorCount; // Number of colors in image (0 if >=8bpp)
BYTE bReserved; // Reserved
WORD wPlanes; // Color Planes
WORD wBitCount; // Bits per pixel
DWORD dwBytesInRes; // how many bytes in this resource?
WORD nID; // the ID
} GRPICONDIRENTRY, *LPGRPICONDIRENTRY;typedef struct _GRPICONDIR {
WORD idReserved; // Reserved (must be 0)
WORD idType; // Resource type (1 for icons)
WORD idCount; // How many images?
GRPICONDIRENTRY idEntries[1]; // The entries for each image
} GRPICONDIR, *LPGRPICONDIR;
#pragma pack()HRSRC hRes = FindResource(NULL, MAKEINTRESOURCE(IDI_ICON), RT_GROUP_ICON);
HGLOBAL hGlobal = LoadResource(NULL, hRes);
LPVOID lpIconDir = LockResource(hGlobal);
hRes = FindResource(NULL, MAKEINTRESOURCE(((LPGRPICONDIR)lpIconDir)->idEntries[0].nID ), RT_ICON);
hGlobal = LoadResource(NULL, hRes);
LPVOID lpIcon = LockResource(hGlobal);
http://msdn.microsoft.com/en-us/library/ms997538.aspx