COM constants in managed code

The Managed Package Framework (MPF) makes some standard COM constants available to managed code. These constants are listed below for your reference.

Boolean HRESULT values

S_FALSE

S_OK

HRESULT values

E_ABORT

E_ACCESSDENIED

E_FAIL

E_HANDLE

E_INVALIDARG

E_NOINTERFACE

E_NOTIMPL

E_OUTOFMEMORY

E_PENDING

E_POINTER

E_UNEXPECTED

UNDO_E_CLIENTABORT

OLE errors

OLE_E_ADVF

OLE_E_ADVISENOTSUPPORTED

OLE_E_BLANK

OLE_E_CANT_BINDTOSOURCE

OLE_E_CANT_GETMONIKER

OLE_E_CANTCONVERT

OLE_E_CLASSDIFF

OLE_E_ENUM_NOMORE

OLE_E_INVALIDHWND

OLE_E_INVALIDRECT

OLE_E_NOCACHE

OLE_E_NOCONNECTION

OLE_E_NOSTORAGE

OLE_E_NOT_INPLACEACTIVE

OLE_E_NOTRUNNING

OLE_E_OLEVERB

OLE_E_PROMPTSAVECANCELLED

OLE_E_STATIC

OLE_E_WRONGCOMPOBJ

OLE dispatch errors

DISP_E_ARRAYISLOCKED

DISP_E_BADCALLEE

DISP_E_BADINDEX

DISP_E_BADPARAMCOUNT

DISP_E_BADVARTYPE

DISP_E_BUFFERTOOSMALL

DISP_E_DIVBYZERO

DISP_E_EXCEPTION

DISP_E_MEMBERNOTFOUND

DISP_E_NONAMEDARGS

DISP_E_NOTACOLLECTION

DISP_E_OVERFLOW

DISP_E_PARAMNOTFOUND

DISP_E_PARAMNOTOPTIONAL

DISP_E_TYPEMISMATCH

DISP_E_UNKNOWNINTERFACE

DISP_E_UNKNOWNLCID

DISP_E_UNKNOWNNAME

See also

• Error handling and return values