COM servers registration from Windows Explorer

REGEDIT4

[HKEY_CLASSES_ROOT\dllfile\RegCOMServer]
@="Register COM Server"

[HKEY_CLASSES_ROOT\dllfile\RegCOMServer\command]
@="E:\\Delphi3\\BIN\\tregsvr.exe \"%1\""

[HKEY_CLASSES_ROOT\dllfile\UnregCOMServer]
@="Unregister COM Server"

[HKEY_CLASSES_ROOT\dllfile\UnregCOMServer\command]
@="E:\\Delphi3\\BIN\\tregsvr.exe -u \"%1\""