Arcengine development log_export Map

 The map export function is implemented as an image, and the code is complex.

  

 

   

 

Using system;
Using system. drawing;
Using system. runtime. interopservices;
Using ESRI. ArcGIS. ADF. baseclasses;
Using ESRI. ArcGIS. ADF. catids;
Using ESRI. ArcGIS. CARTO;
Using ESRI. ArcGIS. controls;
Using ESRI. ArcGIS. esrisystem;

Using ESRI. ArcGIS. geometry;
Using ESRI. ArcGIS. output;
Using ESRI. ArcGIS. systemui;
Using ESRI. ArcGIS. display;
Using system. Windows. forms;

 

 Public partial class form1: Form
   {
       [Dllimport ("gdi32.dll")]
       Public static extern int getdevicecaps (int hdc, int nindex );

       
       [Dllimport ("user32.dll")]
       Public static extern int getdc (INT hwnd );

       [Dllimport ("user32.dll")]
       Public static extern int releasedc (INT hwnd, int HDC );

       // [Dllimport ("user32.dll", setlasterror = true)]
       // Static extern bool systemparametersinfo (uint uiaction, uint uiparam, intptr pvparam, uint fwinini );

       [Dllimport ("user32.dll", setlasterror = true)]
       Static extern bool systemparametersinfo (uint uiaction, uint uiparam, ref int pvparam, uint fwinini );

       
       Const uint spi_getfontsmoothing = 74;
       Const uint spi_setfontsmoothing = 75;
       Const uint spif_updateinifile = 0x1;
       
       
       Public form1 ()
       {
           Initializecomponent ();
       }

       Private void btnexport_click (Object sender, eventargs E)
       {
           Mapexportdialog. filter = "JPEG format (*. JPG) | *. JPG | EPS format (*. EPS) | *. EPS | EMF format (*. EMF) | *. EMF | BMP format (*. BMP) | *. BMP | PDF format (*. PDF) | *. PDF | TIFF Format (*. TIF) | *. TIF | PNG format (*. PNG) | *. PNG | SVG format (*. SVG) | *. SVG | ai format (*. AI) | *. ai | all formats (*. *) | *. *";
           Mapexportdialog. restoredirectory = true;
           If (mapexportdialog. showdialog () = dialogresult. OK)
           {
               String strlocalfilename = mapexportdialog. filename. tostring ();
               // Obtain the file path without the file name
               String strfilepath =Strlocalfilename. substring (0, strlocalfilename. lastindexof (");
               String strfilename = strlocalfilename. substring (strlocalfilename. lastindexof ("\") + 1, strlocalfilename. lastindexof (".")-3 );

             //MessageBox. Show (strfilepath );
              // MessageBox. Show (strfilename );

               String pictype;
               Switch (mapexportdialog. filterindex)
               {
                   Case 1:
                       Pictype = "Jpeg ";
                       Break;
                   Case 2:
                       Pictype = "EPS ";
                       Break;
                   Case 3:
                       Pictype = "EMF ";
                       Break;