DWORD oldp;
DWORD api_base = (DWORD)GetProcAddress(GetModuleHandleW(L"gdi32.dll"),"GetDeviceCaps");
VirtualProtect((void*)api_base,8, PAGE_EXECUTE_READWRITE, &oldp);
*(DWORD*)api_base = 0x60B8;
*(DWORD*)(api_base + 4) = 0x8C200;
VirtualProtect((void*)api_base,8, oldp, &oldp);
大家可以验证：
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