Reorganize PE format code into separate files in PE namespace

X86Disassembler/PE/ImportDescriptor.cs

@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+
+namespace X86Disassembler.PE
+{
+    /// <summary>
+    /// Represents an Import Descriptor in a PE file
+    /// </summary>
+    public class ImportDescriptor
+    {
+        public uint OriginalFirstThunk;  // RVA to original first thunk
+        public uint TimeDateStamp;       // Time and date stamp
+        public uint ForwarderChain;      // Forwarder chain
+        public uint Name;                // RVA to the name of the DLL
+        public string DllName;          // The actual name of the DLL
+        public uint FirstThunk;          // RVA to first thunk
+        
+        public List<ImportedFunction> Functions { get; } = new List<ImportedFunction>();
+    }
+    
+    /// <summary>
+    /// Represents an imported function in a PE file
+    /// </summary>
+    public class ImportedFunction
+    {
+        public string Name;         // Function name
+        public ushort Hint;         // Hint value
+        public bool IsOrdinal;      // True if imported by ordinal
+        public ushort Ordinal;      // Ordinal value (if imported by ordinal)
+        public uint ThunkRVA;       // RVA of the thunk for this function
+    }
+}