private void document_PrintPage(object sender, PrintPageEventArgs e)
{
// 当printPreviewDialog的show方法触发时，引用这段代码
PrintPagelayoutControl.Page.PageToPrinterMapping = esriPageToPrinterMapping.esriPageMappingTile;
// 获取打印分辨率
short dpi = (short)e.Graphics.DpiX;
IEnvelope devBounds = new EnvelopeClass();
// 获取打印页面
IPage page = PrintPagelayoutControl.Page;
// 获取打印页数
short printPageCount;
printPageCount = PrintPagelayoutControl.get_PrinterPageCount(0);
m_CurrentPrintPage++;
// 选择打印机
IPrinter printer = PrintPagelayoutControl.Printer;
// 获取打印机页大小
page.GetDeviceBounds(printer, m_CurrentPrintPage, 0, dpi, devBounds);
// 获取页面大小的坐标范围，即四个角的坐标
tagRECT deviceRect;
double minX, minY, maxX, maxY;
devBounds.QueryCoords(out minX, out minY, out maxX, out maxY);
deviceRect.bottom = (int)maxY;
deviceRect.left = (int)minX;
deviceRect.top = (int)minY;
deviceRect.right = (int)maxX;
// 确定当前打印页面的大小
IEnvelope visBounds = new EnvelopeClass();
page.GetPageBounds(printer, m_CurrentPrintPage, 0, visBounds);
IntPtr hdc = e.Graphics.GetHdc();
PrintPagelayoutControl.ActiveView.Output(hdc.ToInt32(), dpi, ref deviceRect, visBounds, m_TrackCancel);
e.Graphics.ReleaseHdc(hdc);
if (m_CurrentPrintPage < printPageCount)
{
e.HasMorePages = true;
}
else
{
e.HasMorePages = false;
}
}
private void syn(AxPageLayoutControl mainlayoutControl)
{
IObjectCopy objectcopy = new ObjectCopyClass();
object tocopymap = mainlayoutControl.ActiveView.GraphicsContainer; //获取mapcontrol中的map 这个是原始的
object copiedmap = objectcopy.Copy(tocopymap); //复制一份map，是一个副本
object tooverwritemap = PrintPagelayoutControl.ActiveView.GraphicsContainer; //IActiveView.FocusMap : The map that tools and controls act on. 控件和工具作用的地图，大概是当前地图吧！！！
objectcopy.Overwrite(copiedmap, ref tooverwritemap);
System.Runtime.InteropServices.Marshal.ReleaseComObject(objectcopy);
IGraphicsContainer mainGraphCon = tooverwritemap as IGraphicsContainer;
mainGraphCon.Reset();
IElement pElement = mainGraphCon.Next();
IArray pArray = new ArrayClass();
while (pElement != null)
{
pArray.Add(pElement);
pElement = mainGraphCon.Next();
}
int pElementCount = pArray.Count;
IPageLayout PrintPageLayout = PrintPagelayoutControl.PageLayout;
IGraphicsContainer PrintGraphCon = PrintPageLayout as IGraphicsContainer;
PrintGraphCon.Reset();
IElement pPrintElement = PrintGraphCon.Next();
while (pPrintElement != null)
{
PrintGraphCon.DeleteElement(pPrintElement);
pPrintElement = PrintGraphCon.Next();
}
for (int i = 0; i < pArray.Count; i++)
{
PrintGraphCon.AddElement(pArray.get_Element(pElementCount - 1 - i) as IElement, 0);
}
PrintPagelayoutControl.Refresh();
}
