arcengine C# 布局打印预览-有例子修改

private void cmdLoadMxFile_Click(object sender, System.EventArgs e) { //Open a file dialog for selecting map documents openFileDialog1.Title = "Browse Map Document"; openFileDialog1.Filter = "Map Documents (*.mxd)|*.mxd"; openFileDialog1.ShowDialog(); //Exit if no map document is selected string sFilePath = openFileDialog1.FileName; if (sFilePath == "") { return; } //Validate and load the Mx document if (axPageLayoutControl1.CheckMxFile(sFilePath)== true) { axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass; axPageLayoutControl1.LoadMxFile(sFilePath,""); axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerDefault; txbMxFilePath.Text = sFilePath; } else { MessageBox.Show(sFilePath + " is not a valid ArcMap document"); } //Update page display cboPageSize.SelectedIndex = (int)axPageLayoutControl1.Page.FormID; cboPageToPrinterMapping.SelectedIndex = (int)axPageLayoutControl1.Page.PageToPrinterMapping; if (axPageLayoutControl1.Page.Orientation == 1) { optPortrait.Checked = true; } else { optLandscape.Checked = true; } //Zoom to whole page axPageLayoutControl1.ZoomToWholePage(); //Update printer page display UpdatePrintPageDisplay(); } private void cmdPrint_Click(object sender, System.EventArgs e) { if (axPageLayoutControl1.Printer != null) { //Set mouse pointer axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass; //Get IPrinter interface through the PageLayoutControl's printer IPrinter printer = axPageLayoutControl1.Printer; //Determine whether printer paper's orientation needs changing if (printer.Paper.Orientation != axPageLayoutControl1.Page.Orientation) { printer.Paper.Orientation = axPageLayoutControl1.Page.Orientation; //Update the display UpdatePrintingDisplay(); } //Print the page range with the specified overlap axPageLayoutControl1.PrintPageLayout(Convert.ToInt16(txbStartPage.Text), Convert.ToInt16(txbEndPage.Text), Convert.ToDouble(txbOverlap.Text)); //Set the mouse pointer axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerDefault; } } private void Form1_Load(object sender, System.EventArgs e) { //Add esriPageFormID constants to drop down cboPageSize.Items.Add("Letter - 8.5in x 11in."); cboPageSize.Items.Add("Legal - 8.5in x 14in."); cboPageSize.Items.Add("Tabloid - 11in x 17in."); cboPageSize.Items.Add("C - 17in x 22in."); cboPageSize.Items.Add("D - 22in x 34in."); cboPageSize.Items.Add("E - 34in x 44in."); cboPageSize.Items.Add("A5 - 148mm x 210mm."); cboPageSize.Items.Add("A4 - 210mm x 297mm."); cboPageSize.Items.Add("A3 - 297mm x 420mm."); cboPageSize.Items.Add("A2 - 420mm x 594mm."); cboPageSize.Items.Add("A1 - 594mm x 841mm."); cboPageSize.Items.Add("A0 - 841mm x 1189mm."); cboPageSize.Items.Add("Custom Page Size."); cboPageSize.Items.Add("Same as Printer Form."); cboPageSize.SelectedIndex = 7; //Add esriPageToPrinterMapping constants to drop down cboPageToPrinterMapping.Items.Add("0: Crop"); cboPageToPrinterMapping.Items.Add("1: Scale"); cboPageToPrinterMapping.Items.Add("2: Tile"); cboPageToPrinterMapping.SelectedIndex = 1; optPortrait.Checked = true; EnableOrientation(false); //Display printer details UpdatePrintingDisplay(); } private void UpdatePrintPageDisplay() { //Determine the number of pages short iPageCount = axPageLayoutControl1.get_PrinterPageCount(Convert.ToDouble(txbOverlap.Text)); lblPageCount.Text = iPageCount.ToString(); //Validate start and end pages int iPageStart = Convert.ToInt32(txbStartPage.Text); int iPageEnd = Convert.ToInt32(txbEndPage.Text); if ((iPageStart < 1) | (iPageStart > iPageCount)) { txbStartPage.Text = "1"; } if ((iPageEnd < 1) | (iPageEnd > iPageCount)) { txbEndPage.Text = iPageCount.ToString(); } } private void UpdatePrintingDisplay() { if (axPageLayoutControl1.Printer != null) { //Get IPrinter interface through the PageLayoutControl's printer IPrinter printer = axPageLayoutControl1.Printer; //Determine the orientation of the printer's paper if (printer.Paper.Orientation == 1) { lblPrinterOrientation.Text = "Portrait"; } else { lblPrinterOrientation.Text = "Landscape"; } //Determine the printer name lblPrinterName.Text = printer.Paper.PrinterName; //Determine the printer's paper size double dWidth; double dheight; printer.Paper.QueryPaperSize(out dWidth, out dheight); lblPrinterSize.Text = dWidth.ToString("###.000") + " by " + dheight.ToString("###.000") + " Inches"; } } private void txbOverlap_Leave(object sender, System.EventArgs e) { //Update printer page display UpdatePrintPageDisplay(); } private void cboPageToPrinterMapping_Click(object sender, System.EventArgs e) { //Set the printer to page mapping axPageLayoutControl1.Page.PageToPrinterMapping = (esriPageToPrinterMapping) cboPageToPrinterMapping.SelectedIndex; //Update printer page display UpdatePrintPageDisplay(); } private void optLandscape_Click(object sender, System.EventArgs e) { if (optLandscape.Checked == true) { //Set the page orientation if (axPageLayoutControl1.Page.FormID != esriPageFormID.esriPageFormSameAsPrinter) { axPageLayoutControl1.Page.Orientation = 2; } //Update printer page display UpdatePrintPageDisplay(); } } private void optPortrait_Click(object sender, System.EventArgs e) { if (optPortrait.Checked == true) { //Set the page orientation if (axPageLayoutControl1.Page.FormID != esriPageFormID.esriPageFormSameAsPrinter) { axPageLayoutControl1.Page.Orientation = 1; } //Update printer page display UpdatePrintPageDisplay(); } } private void cboPageSize_SelectedIndexChanged(object sender, EventArgs e) { //Orientation cannot change if the page size is set to 'Same as Printer' if (cboPageSize.SelectedIndex == 13) EnableOrientation(false); else EnableOrientation(true); //Set the page size axPageLayoutControl1.Page.FormID = (esriPageFormID)cboPageSize.SelectedIndex; //Update printer page display UpdatePrintPageDisplay(); } private void EnableOrientation(bool b) { optPortrait.Enabled = b; optLandscape.Enabled = b; } short m_CurrentPrintPage = 0; private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e) { //this code will be called when the PrintPreviewDialog.Show method is called //set the PageToPrinterMapping property of the Page. This specifies how the page //is mapped onto the printer page. By default the page will be tiled //get the selected mapping option string sPageToPrinterMapping = (string)this.cboPageToPrinterMapping.SelectedItem; if (sPageToPrinterMapping == null) //if no selection has been made the default is tiling this.axPageLayoutControl1.Page.PageToPrinterMapping = esriPageToPrinterMapping.esriPageMappingTile; else if (sPageToPrinterMapping.Equals("2: Tile")) this.axPageLayoutControl1.Page.PageToPrinterMapping = esriPageToPrinterMapping.esriPageMappingTile; else if (sPageToPrinterMapping.Equals("0: Crop")) this.axPageLayoutControl1.Page.PageToPrinterMapping = esriPageToPrinterMapping.esriPageMappingCrop; else if (sPageToPrinterMapping.Equals("1: Scale")) this.axPageLayoutControl1.Page.PageToPrinterMapping = esriPageToPrinterMapping.esriPageMappingScale; else this.axPageLayoutControl1.Page.PageToPrinterMapping = esriPageToPrinterMapping.esriPageMappingTile; //get the resolution of the graphics device used by the print preview (including the graphics device) short dpi = (short)e.Graphics.DpiX; MessageBox.Show(dpi.ToString()); //envelope for the device boundaries IEnvelope devBounds = new EnvelopeClass(); //get page IPage page = this.axPageLayoutControl1.Page; //the number of printer pages the page will be printed on short printPageCount; printPageCount = this.axPageLayoutControl1.get_PrinterPageCount(0); m_CurrentPrintPage++; //the currently selected printer IPrinter printer = this.axPageLayoutControl1.Printer; //get the device bounds of the currently selected printer page.GetDeviceBounds(printer, m_CurrentPrintPage, 0, dpi, devBounds); //structure for the device boundaries tagRECT deviceRect; //Returns the coordinates of lower, left and upper, right corners double xmin, ymin, xmax, ymax; devBounds.QueryCoords(out xmin, out ymin, out xmax, out ymax); //initialize the structure for the device boundaries deviceRect.bottom = (int)ymax; deviceRect.left = (int)xmin; deviceRect.top = (int)ymin; deviceRect.right = (int)xmax; //determine the visible bounds of the currently printed page IEnvelope visBounds = new EnvelopeClass(); page.GetPageBounds(printer, m_CurrentPrintPage, 0, visBounds); //get a handle to the graphics device that the print preview will be drawn to IntPtr hdc = e.Graphics.GetHdc(); //print the page to the graphics device using the specified boundaries ITrackCancel m_TrackCancel = new CancelTrackerClass(); this.axPageLayoutControl1.ActiveView.Output(hdc.ToInt32(), dpi, ref deviceRect, visBounds, m_TrackCancel); //release the graphics device handle e.Graphics.ReleaseHdc(hdc); //check if further pages have to be printed if (m_CurrentPrintPage < printPageCount) e.HasMorePages = true; //document_PrintPage event will be called again else e.HasMorePages = false; } private void button1_Click(object sender, EventArgs e) { this.printPreviewDialog1.ShowDialog(); }