/// <summary>
/// 加载分页器
/// </summary>
private void LoadPaginator()
{
_paginator = PaginatorFactory.GetDocumentPaginator(_config);
OnPageLoading();
Task.Factory.StartNew(() =>
{
if (PageOrientation == PageOrientation.Portrait)
{
_paginator.PageSize = new Size((int)PageSize.Width, (int)PageSize.Height);
}
else if (PageOrientation == PageOrientation.Landscape)
{
_paginator.PageSize = new Size((int)PageSize.Height, (int)PageSize.Width);
}
PageCount = _paginator.PageCount;
EndIndex = PageCount - 1;
CurrentPageIndex = 0;
_dispatcher.BeginInvoke(new Action(() => OnPageChanged(_paginator.GetPage(CurrentPageIndex))));
});
}
/// <summary>
/// 打印范围
/// </summary>
/// <param name="startIndex"></param>
/// <param name="endIndex"></param>
private void PrintRange(int startIndex, int endIndex)
{
if (startIndex >= 0 && endIndex < PageCount && startIndex <= endIndex)
{
var queueName = CurrentPrintQueue.FullName;
//BitmapImage暂时没有办法异步打印
if (this._paginator is DataTableDocumentPaginator)
{
Task.Factory.StartNew(() =>
{
try
{
ProgressValue = 0;
if (endIndex != 0)
{
ShowProgress = true;
}
ControlStatus = false;
IsIndeterminate = false;
var p = PaginatorFactory.GetDocumentPaginator(_config);
p.PageSize = new Size(_paginator.PageSize.Width, _paginator.PageSize.Height);
var server = new LocalPrintServer();
var queue = server.GetPrintQueue(queueName);
queue.UserPrintTicket.PageMediaSize = PageSize;
queue.UserPrintTicket.PageOrientation = PageOrientation;
var doc = PrintQueue.CreateXpsDocumentWriter(queue);
if (endIndex != 0)
{
doc.WritingProgressChanged += doc_WritingProgressChanged;
}
doc.Write(new PageRangeDocumentPaginator(startIndex, endIndex, p));
if (endIndex != 0)
{
doc.WritingProgressChanged -= doc_WritingProgressChanged;
}
}
catch (Exception ex)
{
}
finally
{
ControlStatus = true;
ShowProgress = false;
_dispatcher.BeginInvoke(new Action(() => Close()));
}
});
}
else
{
ProgressValue = 0;
if (endIndex != 0)
{
ShowProgress = true;
}
ControlStatus = false;
IsIndeterminate = false;
var p = PaginatorFactory.GetDocumentPaginator(_config);
p.PageSize = new Size(_paginator.PageSize.Width, _paginator.PageSize.Height);
var server = new LocalPrintServer();
var queue = server.GetPrintQueue(queueName);
queue.UserPrintTicket.PageMediaSize = PageSize;
queue.UserPrintTicket.PageOrientation = PageOrientation;
var doc = PrintQueue.CreateXpsDocumentWriter(queue);
if (endIndex != 0)
{
doc.WritingProgressChanged += doc_WritingProgressChanged;
}
doc.Write(new PageRangeDocumentPaginator(startIndex, endIndex, p));
if (endIndex != 0)
{
doc.WritingProgressChanged -= doc_WritingProgressChanged;
}
ControlStatus = true;
ShowProgress = false;
_dispatcher.BeginInvoke(new Action(() => Close()));
}
}
}