Cheat Engine

[Liger]

Is there a way to extract the names and addresses of the functions from the dll file in another process , . like this picture. using language C#

[atom0s]

You can query the processes modules multiple different ways. C# includes a 'Process' class within the System.Diagnostics namespace which can query for a process, then within that you can check the 'Modules' property of a given process.

You can also manually iterate them through API calls such as:

via tlhelp32 (exposed via kernel32.dll):
- CreateToolhelp32Snapshot
- Process32First / Process32Next
- Module32First / Module32Next

via psapi (exposed via psapi.dll):
- EnumProcesses
- EnumProcessModules / EnumProcessModulesEx
- GetModuleInformation

To get the list of exported functions from a DLL, you can either walk to EAT (export address table) of the PE header yourself, or you can use the debug helper library (dbghelp.dll) and enumerate them. For that you would need calls like:
- SymInitialize / SymCleanup
- SymLoadModuleEx
- SymEnumerateSymbols64
- SymEnumerateSymbolsProc64

You can find tons of examples of doing it manually by manually walking/reading the PE header and such across the web.