//-------------------------------------------------------------------
//
// Protected Methods
//
//-------------------------------------------------------------------
#region Protected Methods
/// <summary>
/// Override for subclasses that wish to add logic when this event is fired.
/// </summary>
/// <param name="e">Event arguments for the GetPageNumberCompleted event.</param>
protected virtual void OnGetPageNumberCompleted(GetPageNumberCompletedEventArgs e)
{
if (this.GetPageNumberCompleted != null)
{
this.GetPageNumberCompleted(this, e);
}
}
/// <summary>
/// Handler for GetPageNumberCompleted event raised by the Document.
/// </summary>
private void HandleGetPageNumberCompleted(object sender, GetPageNumberCompletedEventArgs e)
{
BringIntoViewState bringIntoViewState;
// At this point the Document's page count might have changed,
// so update properties accordingly.
UpdateReadOnlyProperties(true, false);
if (_document != null && sender == _document.DocumentPaginator && e != null)
{
if (!e.Cancelled && (e.Error == null))
{
bringIntoViewState = e.UserState as BringIntoViewState;
if (bringIntoViewState != null && bringIntoViewState.Source == this)
{
OnBringIntoView(bringIntoViewState.TargetObject, bringIntoViewState.TargetRect, e.PageNumber + 1);
}
}
}
}
/// <summary>
/// Handles the GetPageNumberCompleted event fired as a result of a MakeContentVisibleAsync
/// call. At this point we know the page number corresponding to the ContentPosition we need
/// to make visible, so we invoke MakeVisibleAsync() to bring it into view.
/// </summary>
/// <param name="sender">The sender of this event</param>
/// <param name="e">The args associated with this event.
/// We expect e.UserState to be a MakeVisibleData.</param>
private void OnGetPageNumberCompleted(object sender, GetPageNumberCompletedEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
//Ensure that the UserState passed with this event contains an
//MakeVisibleData object. If not, we ignore it as this event
//could have originated from someone else calling GetPageNumberAsync.
if (e.UserState is MakeVisibleData)
{
MakeVisibleData data = (MakeVisibleData)e.UserState;
MakeVisibleAsync(data, e.PageNumber);
}
}
/// <summary>
/// Handler for GetPageNumberCompleted event raised by the Document.
/// </summary>
private void HandleGetPageNumberCompleted(object sender, GetPageNumberCompletedEventArgs e)
{
if (Document != null && sender == Document.DocumentPaginator && e != null)
{
if (!e.Cancelled && e.Error == null && e.UserState == _bringContentPositionIntoViewToken)
{
int newMasterPageNumber = e.PageNumber + 1;
OnGoToPageCommand(newMasterPageNumber);
}
}
}
protected virtual new void OnGetPageNumberCompleted(GetPageNumberCompletedEventArgs e)
{
}
protected virtual new void OnGetPageNumberCompleted(GetPageNumberCompletedEventArgs e)
{
}
//-------------------------------------------------------------------
//
// Protected Methods
//
//-------------------------------------------------------------------
#region Protected Methods
/// <summary>
/// Override for subclasses that wish to add logic when this event is fired.
/// </summary>
/// <param name="e">Event arguments for the GetPageNumberCompleted event.</param>
protected virtual void OnGetPageNumberCompleted(GetPageNumberCompletedEventArgs e)
{
if (this.GetPageNumberCompleted != null)
{
this.GetPageNumberCompleted(this, e);
}
}
