int AddGridBody(Grid grid, Size printableArea, List <Column> colNodes, Size itemsPanelMaxSize, int ix, Grid pagePanel, Panel itemsPanel)
{
List <object> ls = ItemsSource.Cast <object>().ToList();
for (int j = ix; j < ls.Count; j++)
{
//手动分页
object currentItem = ls[j];
PrintingEventArgs args = new PrintingEventArgs();
args.DataContext = currentItem;
// OnBeginBuildReportItem(args);
grid.RowDefinitions.Add(new RowDefinition());
// create row. Set data context.
for (int i = 0; i < colNodes.Count; i++)
{
Column col = colNodes[i];
TextBlock tb = new TextBlock()
{
Margin = CellPadding, TextAlignment = col.TextAlignment
};
tb.FontSize = this.FontSize;
if (col.DataMember != null)
{
tb.SetBinding(TextBlock.TextProperty, col.DataMember);
}
tb.DataContext = currentItem;
tb.TextWrapping = this.TextWrap;
tb.VerticalAlignment = VerticalAlignment.Center;
grid.Children.Add(tb);
Grid.SetRow(tb, grid.RowDefinitions.Count - 1);
Grid.SetColumn(tb, i);
}
grid.Measure(printableArea);
if (grid.DesiredSize.Height > itemsPanelMaxSize.Height)
{
grid.RowDefinitions.RemoveAt(grid.RowDefinitions.Count - 1);
int n = colNodes.Count;
for (int i = 0; i < n; i++)
{
grid.Children.RemoveAt(grid.Children.Count - 1);
}
return(j);
}
}
return(ls.Count);
}
private static void Hp_Printing(object sender, PrintingEventArgs e)
{
var printer = sender as Printer;
Console.WriteLine($"{printer?.Name} Printing page N{e.CurrentPage}");
}
