documentation of public functions

SpriteLibrary/SpriteDatabase.cs

@@ -85,6 +85,12 @@ namespace SpriteLibrary
             }
         }
 
+        /// <summary>
+        /// The SnapGrid is the block-size that your sprite will be.  For example, I will often have sprites with
+        /// a snapgrid of 50,50.  This means that the sprite can be 50x50, 100x50, or anything with a step-size
+        /// specified in the snap-grid.  It takes a "Size" specified by System.Drawing.Size.
+        /// </summary>
+        /// <param name="GridSize">The size of the grid space to snap to when dragging</param>
         public void SetSnapGridSize(Size GridSize)
         {
             if (GridSize.Width <= 0) return;