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OLE_E_BLANK
OLE object is uninitialized
OLE_E_BLANK is HRESULT 2147745799 (0x80040007) from winerror.h. The documented description is “Uninitialized object” The result belongs to an operation on an embedded or linked object before its data and client state are established. Interpret this result at the native boundary before a wrapper hides the condition that the object exists as an interface identity but has not been initialized with content or storage.
OLE_E_BLANK means that the object exists as an interface identity but has not been initialized with content or storage.
Where the result appears
An incident record must distinguish caller, runtime, provider, and backing resource while testing whether the object exists as an interface identity but has not been initialized with content or storage.
Typical causes and interpretation
The immediate contract boundary is specific: the object exists as an interface identity but has not been initialized with content or storage. Common cause branches include the following:
- Creation stopped before InitNew or Load completed.
- The container calls methods before setting client site and storage.
- A failed conversion left an empty object shell.
Confirm the cause branch that explains why the object exists as an interface identity but has not been initialized with content or storage by using call arguments, object state, metadata, device information, or provider traces.
Correct handling and recovery
The primary recovery is to complete initialization or discard and recreate the object; do not treat the blank instance as valid content. The failure report should capture the relevant state during an operation on an embedded or linked object before its data and client state are established so it is clear why the object exists as an interface identity but has not been initialized with content or storage.
A UI loop must not repeat it without refreshing the state behind “the object exists as an interface identity but has not been initialized with content or storage” and checking for prior side effects.
Practical scenario
An embedded-object factory returns an instance, but loading the selected file fails; the container releases the blank object instead of inserting it.
Difference from related HRESULTs
OLE_E_NOSTORAGE specifically reports missing storage; it is broader and may include other missing initialization state.
Developer and administrator guidance
Dashboards should keep it distinct and attach dimensions that can prove or disprove: the object exists as an interface identity but has not been initialized with content or storage.
References
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