276 lines
8.6 KiB
Plaintext
276 lines
8.6 KiB
Plaintext
<!-- $XConsortium: unregist.sgm /main/4 1996/08/30 15:39:57 rws $ -->
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<!-- (c) Copyright 1995 Digital Equipment Corporation. -->
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<!-- (c) Copyright 1995 Hewlett-Packard Company. -->
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<!-- (c) Copyright 1995 International Business Machines Corp. -->
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<!-- (c) Copyright 1995 Sun Microsystems, Inc. -->
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<!-- (c) Copyright 1995 Novell, Inc. -->
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<!-- (c) Copyright 1995 FUJITSU LIMITED. -->
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<!-- (c) Copyright 1995 Hitachi. -->
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<RefEntry Id="CDEMX.MAN74.rsml.1">
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<RefMeta>
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<RefEntryTitle>csa_unregister_callback</RefEntryTitle>
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<ManVolNum>library call</ManVolNum>
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</RefMeta>
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<RefNameDiv>
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<RefName><Function>csa_unregister_callback</Function></RefName>
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<RefPurpose>unregister the specified callback functions
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</RefPurpose>
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</RefNameDiv>
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<!-- CDE Common Source Format, Version 1.0.0-->
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<!-- (c) Copyright 1993, 1994, 1995 Hewlett-Packard Company-->
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<!-- (c) Copyright 1993, 1994, 1995 International Business Machines Corp.-->
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<!-- (c) Copyright 1993, 1994, 1995 Sun Microsystems, Inc.-->
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<!-- (c) Copyright 1993, 1994, 1995 Novell, Inc.-->
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<!-- (c) Copyright 1994 X.400 API Association-->
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<RefSynopsisDiv>
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<FuncSynopsis Remap="ANSI">
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<FuncSynopsisInfo>#include <xcsa.h>
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</FuncSynopsisInfo>
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<FuncDef>CSA_return_code <Function>csa_unregister_callback</Function></FuncDef>
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<ParamDef>CSA_session_handle <Parameter>session</Parameter></ParamDef>
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<ParamDef>CSA_flags <Parameter>reason</Parameter></ParamDef>
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<ParamDef>CSA_callback <Parameter>callback</Parameter></ParamDef>
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<ParamDef>CSA_buffer <Parameter>client_data</Parameter></ParamDef>
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<ParamDef>CSA_extension *<Parameter>unregister_callback_extensions</Parameter></ParamDef>
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</FuncSynopsis>
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</RefSynopsisDiv>
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<RefSect1>
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<Title>DESCRIPTION</Title>
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<Para>The
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<Function>csa_unregister_callback</Function> function removes the specified callback procedure to the
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specified callback list.
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Both the procedure and the client
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data must match for this function to remove the procedure.
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Specifying a value of
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<SystemItem Class="Constant">NULL</SystemItem> for both callback and client data will cause all callbacks
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on the specified callback list(s) to be removed.
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</Para>
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<RefSect2>
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<Title>Session (Session Handle)</Title>
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<Para>Opaque session handle that represents a session with the
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calendaring service.
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</Para>
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<Para>Session handles are created by a logon function call and
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invalidated with a logoff function call.
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If the session
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handle is invalid, then the error
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<SystemItem Class="Constant">CSA_E_INVALID_SESSION_HANDLE</SystemItem> is returned.
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</Para>
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</RefSect2>
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<RefSect2>
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<Title>Reason (Flags)</Title>
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<Para>A bitmask of flags.
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Unspecified flags should always be
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passed as 0.
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Undocumented flags are reserved.
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Each flag
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corresponds to a callback list.
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Flag settings include:
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</Para>
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<VariableList>
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<VarListEntry>
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<Term>CSA_CB_CALENDAR_LOGON</Term>
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<ListItem>
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<Para>If set, the new callback will be invoked when a the
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calendar is accessed by a user.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_CB_CALENDAR_DELETED</Term>
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<ListItem>
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<Para>If set, the new callback will be invoked when a user
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requests that the calendar be deleted.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_CB_CALENDAR_ATTRIBUTE_UPDATED</Term>
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<ListItem>
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<Para>If set, the new callback will be invoked whenever a
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calendar attribute is updated.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_CB_ENTRY_ADDED</Term>
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<ListItem>
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<Para>If set, the new callback will be invoked whenever an entry
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is added to the calendar.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_CB_ENTRY_DELETED</Term>
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<ListItem>
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<Para>If set, the new callback will be invoked whenever an entry
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is deleted from the calendar.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_CB_ENTRY_UPDATED</Term>
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<ListItem>
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<Para>If set, the new callback will be invoked whenever an entry
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is updated on the calendar.
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It is implementation specific
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if the callback function is invoked before or after the
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specified update type occurs.
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</Para>
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</ListItem>
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</VarListEntry>
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</VariableList>
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</RefSect2>
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<RefSect2>
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<Title>Callback (Callback)</Title>
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<Para>Specifies the client procedure that should be removed from
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the specified callback list(s).
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</Para>
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</RefSect2>
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<RefSect2>
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<Title>Client Data (Opaque Data)</Title>
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<Para>A pointer to an application specific data structure that
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was specified when the callback procedure was registered.
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This must match for the function to succeed.
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This
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constraint allows the application to register the same
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function on more than one callback list with different
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client_data.
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The instances of the callback function on the
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different callback lists will be treated independently by
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the calendar service.
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</Para>
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</RefSect2>
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<RefSect2>
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<Title>Unregister Callback Extensions (Extension)</Title>
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<Para>A pointer to an array of
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<StructName Role="typedef">CSA_extension</StructName> structures for this function.
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The array may contain both
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input extensions for providing additional information to
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the function and output extensions for receiving
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information from the function.
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A value of
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<SystemItem Class="Constant">NULL</SystemItem> indicates that the caller is not using any extensions.
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See the extensions structure for more information.
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</Para>
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</RefSect2>
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</RefSect1>
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<RefSect1>
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<Title>RETURN VALUE</Title>
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<RefSect2>
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<Title>Unregister Callback Extensions (Extension)</Title>
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<Para>If output extensions were passed to the function in the
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extensions list, the results from the service will be
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available in the extension.
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See the extensions structure for more information.
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Whether the function succeeded or
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not, and, if not, why.
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It may be success or one of the
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values listed under ERRORS below.
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</Para>
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</RefSect2>
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</RefSect1>
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<RefSect1>
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<Title>ERRORS</Title>
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<Para>The
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<Function>csa_unregister_callback</Function> function returns the following error values:
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</Para>
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<VariableList>
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<VarListEntry>
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<Term>CSA_E_CALLBACK_NOT_REGISTERED</Term>
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<ListItem>
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<Para>The specified callback function was not registered.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_E_FAILURE</Term>
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<ListItem>
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<Para>There was a general failure that does not
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fit the description of any other error code.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_E_INSUFFICIENT_MEMORY</Term>
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<ListItem>
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<Para>Insufficient memory was available to complete the requested operation.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_E_INVALID_FLAG</Term>
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<ListItem>
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<Para>A flag value in the
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<Symbol Role="Variable">flags</Symbol> argument was invalid.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_E_INVALID_FUNCTION_EXT</Term>
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<ListItem>
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<Para>The function extension requested is invalid.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_E_INVALID_PARAMETER</Term>
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<ListItem>
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<Para>A function parameter was invalid.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_E_INVALID_SESSION_HANDLE</Term>
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<ListItem>
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<Para>The specified Session Handle is invalid or no longer valid
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(e.g., after logging off).
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_E_NO_AUTHORITY</Term>
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<ListItem>
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<Para>The user has insufficient authority for this function.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_E_NOT_SUPPORTED</Term>
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<ListItem>
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<Para>The operation requested is not supported by this implementation.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_E_SERVICE_UNAVAILABLE</Term>
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<ListItem>
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<Para>The requested calendar service is unavailable.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_E_UNSUPPORTED_FLAG</Term>
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<ListItem>
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<Para>The flag requested is not supported.
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</Para>
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</ListItem>
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</VarListEntry>
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<VarListEntry>
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<Term>CSA_E_UNSUPPORTED_FUNCTION_EXT</Term>
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<ListItem>
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<Para>The specified function extension is not supported or
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<SystemItem Class="Constant">CSA_EXT_REQUIRED</SystemItem> is set.
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</Para>
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</ListItem>
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</VarListEntry>
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</VariableList>
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</RefSect1>
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<RefSect1>
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<Title>SEE ALSO</Title>
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<Para>&cdeman.csa.csa.h;, &cdeman.csa.add.calendar;, &cdeman.csa.add.entry;, &cdeman.csa.call.callbacks;, &cdeman.csa.delete.calendar;, &cdeman.csa.delete.entry;, &cdeman.csa.free;, &cdeman.csa.free.time.search;, &cdeman.csa.list.calendar.attributes;, &cdeman.csa.list.calendars;, &cdeman.csa.list.entries;, &cdeman.csa.list.entry.attributes;, &cdeman.csa.list.entry.sequence;, &cdeman.csa.logoff;, &cdeman.csa.logon;, &cdeman.csa.look.up;, &cdeman.csa.query.configuration;, &cdeman.csa.read.calendar.attributes;, &cdeman.csa.read.entry.attributes;, &cdeman.csa.read.next.reminder;, &cdeman.csa.register.callback;, <![ %CDE.C.XO; [&cdeman.csa.restore;, &cdeman.csa.save;, ]]>&cdeman.csa.update.calendar.attributes;, &cdeman.csa.update.entry.attributes;.</Para>
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</RefSect1>
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</RefEntry>
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<!--fickle 1.12 mancsf-to-docbook 1.2 08/07/95 01:31:55-->
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