Contact Item Classes in .NET framework

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11.6.2 Contact Item Classes
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Class CContactItem De ned in cntitem.h The abstract base class for contact cards, templates and groups. All contact items are identi ed by a contact identi er (TContactItemId), have a last modi ed date/time, and own one or more elds (the eld set). Contact items also have an access count and attributes (e.g. hidden). Note that elds in a contact item also have attributes. Attribute values speci ed in the contact item override those in the contained elds. The access count is a record of the number of objects referencing a contact item. A contact item cannot be fully deleted until its access count is zero.
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CONTACTS MODEL API
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Attribute Methods virtual TUid Type() const This virtual method returns the type of the contact item. This can be one of the following: KUidContactCard for a contact card KUidContactGroup for a contact group KUidContactTemplate for the system template KUidContactCardTemplate for a template KUidContactOwnCard for the own card
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TContactItemId Id() const This method returns the contact item identi er. TTime LastModified() const This method returns the date/time when the contact item was last modi ed. void SetLastModified(const TTime& aLastModified) This method sets the date/time when the contact item was last modi ed. TBool IsHidden() This method returns the item s hidden attribute. Hidden means that the item is not displayed if the view de nition excludes hidden elds. void SetHidden(TBool aHidden) This method sets the item s hidden attribute. Hidden means that the item is not displayed if the view de nition excludes hidden elds. aHidden ETrue if the item is to be hidden. inline TBool IsDeletable() This method tests whether the contact item is deletable. This is true if the contact item s access count is zero. TBool IsDeleted() const This method returns the deleted attribute. If the attribute is set, this means that an attempt has been made to delete the contact item, but because the item s access count is greater than zero, its data persists and the item is just marked as deleted. void SetDeleted(TBool aDeleted) Sets the value of the contact item s deleted attribute. If the attribute is set, this means that an attempt has been made to delete the contact item, but because the item s access count is greater than zero, its data persists and the item is just marked as deleted. aDeleted ETrue if the item is set as deleted.
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USING THE CONTACTS MODEL
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TContactItemId TemplateRefId() const This method returns the ID of the template on which this item is based or KNullContactId if the item is not based on a template. void SetTemplateRefId(TContactItemId aUid) This method sets the template on which this contact item is based. aUid the identi er of the template. inline TInt AccessCount() const This method returns the item s current access count. Field Methods CContactItemFieldSet& CardFields() const This method returns a reference to the item s eld set. void AddFieldL(CContactItemField& aField) This method appends a new eld to the end of the item s set of elds. The item takes ownership of the eld. aField the eld to be added to the eld set. void InsertFieldL(CContactItemField& aField,TInt aFieldPos) This method inserts a new eld into the item s set of elds at the speci ed position. aField the eld to be inserted. aFieldPos the position at which to insert the eld. A value of zero inserts the eld at the start of the set. A value equal to or greater than the number of elds causes the eld to be appended to the set. void RemoveField(TInt aFieldPos) This method removes a eld from the item s set. This method generates a panic if the indexed eld does not exist. aFieldPos the position in the eld set of the eld to be deleted. void UpdateFieldSet(CContactItemFieldSet* aNewFieldSet) This method replaces the item s complete set of elds with a new set. aNewFieldSet the new set of elds for the item.
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Class CContactItemPlusGroup public CContactItem De ned in cntitem.h This is the abstract base class for CContactGroup, CContactCard and CContactOwnCard. The purpose of this class is to avoid duplication of group functionality in its derived classes.
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