some documentation

SpriteLibrary/SpriteDatabase.cs

@@ -18,16 +18,33 @@ namespace SpriteLibrary
     }
 
     /// <summary>
-    /// Store of all the types of things in the ADVDemo
+    /// Store Sprite information in a database.  You can preload your database with sprite definitions, and then
+    /// create the sprites as needed.  This can drastically reduce the initial load time of a game or something.
+    /// Though, what it really does is spread out the load time.  It still takes the same amount of time to
+    /// load all the sprites, it just loads them on-demand.  Using a dictionary often hides any load time issues.
     /// </summary>
     public class SpriteDatabase
     {
+        /// <summary>
+        /// This is the list of SpriteInfo records that the database knows about.  You can create your own list,
+        /// modify this list, or whatever.  The database has some reasonable functions for loading and saving a
+        /// sprite database.
+        /// </summary>
         public List<SpriteInfo> SpriteInfoList = new List<SpriteInfo>();
         List<ImageStruct> TheImages = new List<ImageStruct>();
         ResourceManager myResourceManager = null;
         string Filename = "";
         Size SnapGridSize = new Size(5, 5);
 
+        /// <summary>
+        /// The sprite database instantiation function.  The filename can either be a file on the computer or it
+        /// can be the string name of a resource (the filename without the extension.  If your file is accessed
+        /// by Properties.Resources.MySprites, the "filename" would be "MySprites")
+        /// </summary>
+        /// <param name="theResourceManager">The ResourceManager for your project.  Usually 
+        /// Properties.Resources.ResourceManager</param>
+        /// <param name="filename">Either a path and file (like: @"c:\users\me\Desktop\myfile.xml") or 
+        /// the name of a resource (like: "myfile")</param>
         public SpriteDatabase(ResourceManager theResourceManager, string filename)
         {
             myResourceManager = theResourceManager;