ITfCategoryMgr::UnregisterCategory method (msctf.h)

Removes a specified GUID from the specified category in the Windows registry.

Syntax

HRESULT UnregisterCategory(
  [in] REFCLSID rclsid,
  [in] REFGUID  rcatid,
  [in] REFGUID  rguid
);

[in] rclsid

Contains the CLSID of the text service that owns the item.

[in] rcatid

Contains a GUID that identifies the category that the item is registered under.

[in] rguid

Contains a GUID that identifies the item to remove.

This method can return one of these values.

Value	Description
S_OK	The method was successful.
E_FAIL	An unspecified error occurred.

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps \| UWP apps]
Minimum supported server	Windows 2000 Server [desktop apps \| UWP apps]
Target Platform	Windows
Header	msctf.h
DLL	Msctf.dll
Redistributable	TSF 1.0 on Windows 2000 Professional