/// <summary>
/// 输出到打印机
/// </summary>
/// <param name="reportData"></param>
public static void PrintToPrinter(string printerName, string documentName, I3ReportDatas reportDatas, int startPage, int endPage, bool paintPageIndex)
{
PrinterSettings ps = new PrinterSettings();
ps.PrinterName = printerName;
if (!ps.IsValid)
{
throw new Exception("打印机" + printerName + "不存在或不可用！");
}
if (string.IsNullOrEmpty(documentName))
{
documentName = "I3ReportDocument";
}
I3PrintDocument document = new I3PrintDocument(reportDatas, startPage, endPage);
document.PaintPageIndex = paintPageIndex;
document.PrinterSettings = ps;
document.DocumentName = documentName;
document.QueryPageSettings += new QueryPageSettingsEventHandler(document_QueryPageSettings);
document.PrintPage += new PrintPageEventHandler(document_PrintPage);
document.Print();
#region 这段代码可显示默认的打印预览窗体。。。不好用。。。
//PrintPreviewDialog ppd = new PrintPreviewDialog();
//ppd.WindowState = FormWindowState.Maximized;//设定窗体最大化
//ppd.PrintPreviewControl.Zoom = 1;
//ppd.FormBorderStyle = FormBorderStyle.Fixed3D;
//ppd.Document = document;
//ppd.ShowDialog();
#endregion
}
static void document_QueryPageSettings(object sender, QueryPageSettingsEventArgs e)
{
I3PrintDocument document = sender as I3PrintDocument;
I3ReportData reportData = document.ReportDatas.GetReportDataByAreaIndex(document.NextPage - 1);
e.PageSettings.Landscape = reportData.PageSetting.PaperOrientation == PaperOrientation.横向;
e.PageSettings.Margins = new Margins(0, 0, 0, 0);
}
static void document_PrintPage(object sender, PrintPageEventArgs e)
{
//float scale = (100F / 96F) * (600F / e.Graphics.DpiX); //打印机600DPI对应屏幕96DPI //这个转换与dpi无关
float scale = (100F / 96F);
float phyOffsetX = 0;
float phyOffsetY = 0;
IntPtr hdc = e.Graphics.GetHdc();
try
{
float width = I3Win32PrintHelper.GetPaperWidth(hdc); //纸张的宽度（打印机单位）
float height = I3Win32PrintHelper.GetPaperHeight(hdc);
phyOffsetX = I3Win32PrintHelper.GetPaperPhyOffsetX(hdc); //纸张的X偏移（打印机单位）
phyOffsetX = phyOffsetX * e.PageBounds.Width / width; //转换为 1/100 英寸
phyOffsetX *= scale; //转换为像素
phyOffsetY = I3Win32PrintHelper.GetPaperPhyOffsetY(hdc);
phyOffsetY = phyOffsetY * e.PageBounds.Height / height;
phyOffsetY *= scale;
}
finally
{
e.Graphics.ReleaseHdc(hdc);
}
I3PrintDocument document = sender as I3PrintDocument;
I3ReportData reportData = document.ReportDatas.GetReportDataByAreaIndex(document.NextPage - 1);
I3PageSetting setting = reportData.PageSetting;
if (document.NextPage > 0 && document.NextPage <= document.EndPage)
{
RectangleF rect = new RectangleF(e.MarginBounds.X, e.MarginBounds.Y, e.MarginBounds.Width, e.MarginBounds.Height);
rect.X -= phyOffsetX;
rect.Y -= phyOffsetY;
RectangleF contentRect = new RectangleF(setting.PaperContentRect.X * scale, setting.PaperContentRect.Y * scale,
setting.PaperContentRect.Width * scale, setting.PaperContentRect.Height * scale);
contentRect.X -= phyOffsetX;
contentRect.Y -= phyOffsetY;
PrintAreaToGraphics(e.Graphics, scale, rect, contentRect, document.ReportDatas,
document.ReportDatas.PrintAreas.Dic[document.NextPage - 1], document.PaintPageIndex, document.NextPage - 1);
if (document.NextPage < document.EndPage)
{
document.NextPage += 1;
e.HasMorePages = true;
}
else
{
document.NextPage = -1;
e.HasMorePages = false;
}
}
else
{
e.HasMorePages = false;
}
}