Dll Files Com Jun 2026

When a program wants to use that object, it asks Windows: "Give me the object with ID 1234-5678... ." Windows looks in the Registry, finds the path to example.dll , loads the DLL, and hands the object to the program.

Think of a DLL like a physical library. You go to the library, find a specific book (function), read it, and put it back. The library exists independently of you, and others can use it too. dll files com

When a developer installs a COM DLL, they run a command (usually regsvr32.exe ). This command tells the Windows Registry: When a program wants to use that object,

"I am a COM object. I live inside example.dll . My unique ID (GUID) is 1234-5678... ." You go to the library, find a specific

When a client calls CoCreateInstance(CLSID_MyComponent) , Windows looks up the CLSID in the Registry ( HKCR\CLSID\...\InprocServer32 ). It finds the DLL path, loads it into the client’s process, and calls its exported DllGetClassObject function.