[asp.net教程] 在.net中嵌入和使用资源文件

嵌入和使用资源文件，以下是全部源代码：
   
  using system;
  using system.drawing;
  using system.collections;
  using system.componentmodel;
  using system.windows.forms;
  using system.data;
  using system.reflection;
  using system.io;
  using system.diagnostics;
   
  namespace resourcedemo
  {
   /// <summary>
   /// summary description for form1.
   /// </summary>
   public class form1 : system.windows.forms.form
   {
   arraylist pics;
   private system.windows.forms.groupbox groupbox1;
   private system.windows.forms.picturebox pbox;
   private system.windows.forms.button btndisplay;
   private system.windows.forms.textbox txtinfo;
   /// <summary>
   /// required designer variable.
   /// </summary>
   private system.componentmodel.container components = null;
   
   public form1()
   {
   //
   // required for windows form designer support
   //
   initializecomponent();
   
   // instantiate our arraylist
   pics = new arraylist();
   }
   
   /// <summary>
   /// clean up any resources being used.
   /// </summary>
   protected override void dispose( bool disposing )
   {
   if( disposing )
   {
   if (components != null)
   {
   components.dispose();
   }
   }
   base.dispose( disposing );
   }
   
   #region windows form designer generated code
   /// <summary>
   /// required method for designer support - do not modify
   /// the contents of this method with the code editor.
   /// </summary>
   private void initializecomponent()
   {
   this.pbox = new system.windows.forms.picturebox();
   this.groupbox1 = new system.windows.forms.groupbox();
   this.btndisplay = new system.windows.forms.button();
   this.txtinfo = new system.windows.forms.textbox();
   this.groupbox1.suspendlayout();
   this.suspendlayout();
   //
   // pbox
   //
   this.pbox.borderstyle = system.windows.forms.borderstyle.fixedsingle;

   this.pbox.location = new system.drawing.point(8, 8);
   this.pbox.name = "pbox";
   this.pbox.size = new system.drawing.size(264, 272);
   this.pbox.tabindex = 0;
   this.pbox.tabstop = false;
   this.pbox.sizemode = system.windows.forms.pictureboxsizemode.stretchimage;
   //
   // groupbox1
   //
   this.groupbox1.controls.addrange(new system.windows.forms.control[] {
   this.txtinfo,
   this.btndisplay});
   this.groupbox1.location = new system.drawing.point(288, 8);
   this.groupbox1.name = "groupbox1";
   this.groupbox1.size = new system.drawing.size(192, 264);
   this.groupbox1.tabindex = 1;
   this.groupbox1.tabstop = false;
   //
   // btndisplay
   //
   this.btndisplay.location = new system.drawing.point(48, 24);
   this.btndisplay.name = "btndisplay";
   this.btndisplay.size = new system.drawing.size(96, 23);
   this.btndisplay.tabindex = 0;
   this.btndisplay.text = "display picture";
   this.btndisplay.click += new system.eventhandler(this.button1_click);
   //
   // txtinfo
   //
   this.txtinfo.location = new system.drawing.point(8, 56);
   this.txtinfo.multiline = true;
   this.txtinfo.name = "txtinfo";
   this.txtinfo.readonly = true;
   this.txtinfo.size = new system.drawing.size(176, 200);
   this.txtinfo.tabindex = 2;
   this.txtinfo.text = "txtinfo";
   //
   // form1
   //
   this.autoscalebasesize = new system.drawing.size(5, 13);
   this.clientsize = new system.drawing.size(496, 293);
   this.controls.addrange(new system.windows.forms.control[] {
   this.groupbox1,
   this.pbox});
   this.name = "form1";
   this.text = "form1";
   this.load += new system.eventhandler(this.form1_load);
   this.groupbox1.resumelayout(false);
   this.resumelayout(false);
   
   }
   #endregion
   
   /// <summary>
   /// the main entry point for the application.
   /// </summary>
   [stathread]
   static void main()
   {
   application.run(new form1());
   }
   
   private void button1_click(object sender, system.eventargs e)
   {
   // go to a random picture in our arraylist and
   // display it
   random generator = new random();
   bitmap bmp = pics[ generator.next(pics.count) ] as bitmap;
   if(!(null==bmp))
   {
   pbox.image = bmp;
   }
   bmp = null;
   generator = null;
   }
   
   private void form1_load(object sender, system.eventargs e)
   {
   stream imgstream = null;
   bitmap bmp = null;
   
   // get a reference to the current assembly
   assembly a = assembly.getexecutingassembly();
   
   // get a list of resource names from the manifest
   string [] resnames = a.getmanifestresourcenames();
   
   // populate the textbox with information about our resources
   // also look for images and put them in our arraylist
   txtinfo.clear();
   
   txtinfo.text += string.format("found {0} resources\r\n", resnames.length);
   txtinfo.text += "----------\r\n";
   foreach(string s in resnames)
   {
   txtinfo.text += s + "\r\n";
   if(s.endswith(".bmp"))
   {
   // attach to stream to the resource in the manifest
   imgstream = a.getmanifestresourcestream(s);
   if( !(null==imgstream) )
   {
   // create a new bitmap from this stream and
   // add it to the arraylist
   bmp = bitmap.fromstream( imgstream ) as bitmap;
   if( !(null==bmp) )
   {
   pics.add( bmp );
   }
   bmp = null;
   imgstream.close();
   imgstream = null;
   }
   }
   }
   txtinfo.text += "----------\r\n";
   txtinfo.text += string.format("found {0} bitmaps\r\n",
   pics.count);
   }
   }
  }