I got an AppointmentItem from an MAPIFolder and try to modify its fields. But
an exception occurred telling me that I had got no privilege to do this......

public void modifyItem(AppointmentItem item, CalItem calItem)
{
......
item.End = calItem.endTime; (Exception)
......
}

Where is this MAPIFolder? Is it in a PST file, your Exchange mailbox, a
delegate mailbox, public folder?

What are your permissions on that folder?

Can you perform any other operations on that appointment item? What is the
exact error?

--
Ken Slovak
[MVP - Outlook]
http://www.slovaktech.com
Author: Absolute Beginner's Guide to Microsoft Office Outlook 2003
Reminder Manager, Extended Reminders, Attachment Options
http://www.slovaktech.com/products.htm


"OctopusThu" wrote in message
...
I got an AppointmentItem from an MAPIFolder and try to modify its fields.
But
an exception occurred telling me that I had got no privilege to do
this......

public void modifyItem(AppointmentItem item, CalItem calItem)
{
......
item.End = calItem.endTime; (Exception)
......
}

My Outlook was not of an English version, but the exception should be meaning:
"You do not have the authority(privilege) to move(modify) the item."

The MAPIFolder was the default folder acquired by:

Outlook.MAPIFolder defaultFolder =
applicationObject.GetNamespace("MAPI").GetDefaultF older(Outlook.OlDefaultFolders.olFolderCalendar);

So I think it should be a public one.

By the way, I can create new AppointmentItem in this folder with:

item = (Outlook.AppointmentItem)
defaultFolder.Items.Add(Outlook.OlItemType.olAppoi ntmentItem);


"Ken Slovak - [MVP - Outlook]" wrote:

Where is this MAPIFolder? Is it in a PST file, your Exchange mailbox, a
delegate mailbox, public folder?

What are your permissions on that folder?

Can you perform any other operations on that appointment item? What is the
exact error?

--
Ken Slovak
[MVP - Outlook]
http://www.slovaktech.com
Author: Absolute Beginner's Guide to Microsoft Office Outlook 2003
Reminder Manager, Extended Reminders, Attachment Options
http://www.slovaktech.com/products.htm


"OctopusThu" wrote in message
...
I got an AppointmentItem from an MAPIFolder and try to modify its fields.
But
an exception occurred telling me that I had got no privilege to do
this......

public void modifyItem(AppointmentItem item, CalItem calItem)
{
......
item.End = calItem.endTime; (Exception)
......
}

That would be your default Calendar folder, either in a mailbox or a PST
file. If it's your own default folder you certainly should have permissions
on it. You can check on the permissions by selecting Folder List for the
Navigation Pane display and right-clicking on the Calendar folder and
selecting Properties. Go to the Permissions tab and see what permissions
your logon has.

Does this happen with all appointment items or only some? The only times
I've seen that sort of error message was if the user didn't have rights to
edit items in the folder.

Can you modify items in that folder manually, using the user interface?

--
Ken Slovak
[MVP - Outlook]
http://www.slovaktech.com
Author: Absolute Beginner's Guide to Microsoft Office Outlook 2003
Reminder Manager, Extended Reminders, Attachment Options
http://www.slovaktech.com/products.htm


"OctopusThu" wrote in message
...
My Outlook was not of an English version, but the exception should be
meaning:
"You do not have the authority(privilege) to move(modify) the item."

The MAPIFolder was the default folder acquired by:

Outlook.MAPIFolder defaultFolder =
applicationObject.GetNamespace("MAPI").GetDefaultF older(Outlook.OlDefaultFolders.olFolderCalendar);

So I think it should be a public one.

By the way, I can create new AppointmentItem in this folder with:

item = (Outlook.AppointmentItem)
defaultFolder.Items.Add(Outlook.OlItemType.olAppoi ntmentItem);

Hi, Ken. Thanks for your help so far.
I've done some further tests and discovered that ONLY the "Start" and "End"
fields of an RECURRING AppointmentItem cannot be modified. Other fields of a
recurring item and all fields of a non-recurring item can be modified.
Are there possibilities that I can modify the "Start" and "End" fields?

"Ken Slovak - [MVP - Outlook]" wrote:

That would be your default Calendar folder, either in a mailbox or a PST
file. If it's your own default folder you certainly should have permissions
on it. You can check on the permissions by selecting Folder List for the
Navigation Pane display and right-clicking on the Calendar folder and
selecting Properties. Go to the Permissions tab and see what permissions
your logon has.

Does this happen with all appointment items or only some? The only times
I've seen that sort of error message was if the user didn't have rights to
edit items in the folder.

Can you modify items in that folder manually, using the user interface?

--
Ken Slovak
[MVP - Outlook]
http://www.slovaktech.com
Author: Absolute Beginner's Guide to Microsoft Office Outlook 2003
Reminder Manager, Extended Reminders, Attachment Options
http://www.slovaktech.com/products.htm


"OctopusThu" wrote in message
...
My Outlook was not of an English version, but the exception should be
meaning:
"You do not have the authority(privilege) to move(modify) the item."

The MAPIFolder was the default folder acquired by:

Outlook.MAPIFolder defaultFolder =
applicationObject.GetNamespace("MAPI").GetDefaultF older(Outlook.OlDefaultFolders.olFolderCalendar);

So I think it should be a public one.

By the way, I can create new AppointmentItem in this folder with:

item = (Outlook.AppointmentItem)
defaultFolder.Items.Add(Outlook.OlItemType.olAppoi ntmentItem);

For any appointment check for IsRecurring. If it is recurring use the
GetRecurrencePattern method to get the RecurrencePattern for the
appointment. Never reference that if it's not recurring, it will convert the
appointment into a recurring one.

Once you have the pattern you can get the master appointment as
RecurrencePattern.Parent. To get a specific occurrence use the
GetOccurrence(StartDate) method. Iterate the Exceptions collection to find
any existing exceptions and deleted occurrences. With the occurrence you can
then change start/end, which will add that appointment to the Exceptions
collection when you save the changes.

Look in the VBA Help for information and code snippets on working with those
methods and properties.

--
Ken Slovak
[MVP - Outlook]
http://www.slovaktech.com
Author: Absolute Beginner's Guide to Microsoft Office Outlook 2003
Reminder Manager, Extended Reminders, Attachment Options
http://www.slovaktech.com/products.htm


"OctopusThu" wrote in message
...
Hi, Ken. Thanks for your help so far.
I've done some further tests and discovered that ONLY the "Start" and
"End"
fields of an RECURRING AppointmentItem cannot be modified. Other fields of
a
recurring item and all fields of a non-recurring item can be modified.
Are there possibilities that I can modify the "Start" and "End" fields?

I got it. Thank you very much, Ken.

"Ken Slovak - [MVP - Outlook]" wrote:

For any appointment check for IsRecurring. If it is recurring use the
GetRecurrencePattern method to get the RecurrencePattern for the
appointment. Never reference that if it's not recurring, it will convert the
appointment into a recurring one.

Once you have the pattern you can get the master appointment as
RecurrencePattern.Parent. To get a specific occurrence use the
GetOccurrence(StartDate) method. Iterate the Exceptions collection to find
any existing exceptions and deleted occurrences. With the occurrence you can
then change start/end, which will add that appointment to the Exceptions
collection when you save the changes.

Look in the VBA Help for information and code snippets on working with those
methods and properties.

--
Ken Slovak
[MVP - Outlook]
http://www.slovaktech.com
Author: Absolute Beginner's Guide to Microsoft Office Outlook 2003
Reminder Manager, Extended Reminders, Attachment Options
http://www.slovaktech.com/products.htm


"OctopusThu" wrote in message
...
Hi, Ken. Thanks for your help so far.
I've done some further tests and discovered that ONLY the "Start" and
"End"
fields of an RECURRING AppointmentItem cannot be modified. Other fields of
a
recurring item and all fields of a non-recurring item can be modified.
Are there possibilities that I can modify the "Start" and "End" fields?