转了一个“如何修改exe文件图标”的方法。只有一个函数，非常方便。

#include 《stdio.h》
#include 《windows.h》
#include 《tchar.h》

struct ICONDIRENTRY
{
    BYTE bWidth;
    BYTE bHeight;
    BYTE bColorCount;
    BYTE bReserved;
    WORD wPlanes;
    WORD wBitCount;
    DWORD dwBytesInRes;
    DWORD dwImageOffset;
};


struct ICONDIR
{
    WORD idReserved;
    WORD idType;
    WORD idCount;
    //ICONDIRENTRY idEntries;
};


struct GRPICONDIRENTRY
{
    BYTE bWidth;
    BYTE bHeight;
    BYTE bColorCount;
    BYTE bReserved;
    WORD wPlanes;
    WORD wBitCount;
    DWORD dwBytesInRes;
    WORD nID;
};

struct GRPICONDIR
{
    WORD idReserved;
    WORD idType;
    WORD idCount;
    GRPICONDIRENTRY idEntries;
};


//////////////////////////////////////////////
//函数说明：修改EXE图标
//
//参    数：IconFile 图标文件
//              ExeFile 被修改的EXE文件
//
//返回值： 成功为True，否则False
/////////////////////////////////////////////
bool ChangeExeIcon(LPCSTR IconFile, LPCSTR ExeFile);

//////////////////////////////////////////////
//函数说明：修改EXE图标
//
//参    数：IconFile 图标文件
//              ExeFile 被修改的EXE文件
//
//返回值： 成功为True，否则False
/////////////////////////////////////////////
bool ChangeExeIcon(LPCSTR IconFile, LPCSTR ExeFile)
{
    ICONDIR stID;
    ICONDIRENTRY stIDE;
    GRPICONDIR stGID;
    HANDLE hFile;
    DWORD nSize, nGSize, dwReserved;
    HANDLE hUpdate;
    PBYTE pIcon, pGrpIcon;
    BOOL ret;

    hFile = CreateFile(IconFile, GENERIC_READ, NULL, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    if (hFile == INVALID_HANDLE_VALUE)
    {
       return false;
    }

    ZeroMemory(&stID, sizeof(ICONDIR));
    ret = ReadFile(hFile, &stID, sizeof(ICONDIR), &dwReserved, NULL);

    ZeroMemory(&stIDE, sizeof(ICONDIRENTRY));
    ret = ReadFile(hFile, &stIDE, sizeof(ICONDIRENTRY), &dwReserved, NULL);

    nSize = stIDE.dwBytesInRes;
    pIcon = (PBYTE)malloc(nSize);
    SetFilePointer(hFile, stIDE.dwImageOffset, NULL, FILE_BEGIN);
    ret = ReadFile(hFile, (LPVOID)pIcon, nSize, &dwReserved, NULL);
    if (!ret)
    {
       CloseHandle(hFile);
       return false;
    }

    ZeroMemory(&stGID, sizeof(GRPICONDIR));
    stGID.idCount = stID.idCount;
    stGID.idReserved = 0;
    stGID.idType = 1;
    CopyMemory(&stGID.idEntries, &stIDE, 12);
    stGID.idEntries.nID = 0;

    nGSize = sizeof(GRPICONDIR);
    pGrpIcon = (PBYTE)malloc(nGSize);
    CopyMemory(pGrpIcon, &stGID, nGSize);


    hUpdate = BeginUpdateResource(ExeFile, false);
    ret = UpdateResource(hUpdate, RT_GROUP_ICON, MAKEINTRESOURCE(1), 0, (LPVOID)pGrpIcon, nGSize);
    ret = UpdateResource(hUpdate, RT_ICON, MAKEINTRESOURCE(1), 0, (LPVOID)pIcon, nSize);
    EndUpdateResource(hUpdate, false);
    if (!ret)
    {
       CloseHandle(hFile);
       return false;
    }

    CloseHandle(hFile);
    return true;
}

评论