Mouse wheel doesn't work with powershell console

Fix is to clear the flag for capturing mouse events while in PSReadline because we would ignore them anyway.

Author: lzybkr

PSReadLine/ConsoleLib.cs

@@ -24,6 +24,8 @@ public static class NativeMethods
 
         public const uint ENABLE_PROCESSED_INPUT = 0x0001;
         public const uint ENABLE_LINE_INPUT      = 0x0002;
+        public const uint ENABLE_WINDOW_INPUT    = 0x0008;
+        public const uint ENABLE_MOUSE_INPUT     = 0x0010;
 
         public const int FontTypeMask = 0x06;
         public const int TrueTypeFont = 0x04;

PSReadLine/ReadLine.cs

@@ -258,8 +258,15 @@ public static string ReadLine(Runspace remoteRunspace = null, EngineIntrinsics e
                 // Clear a couple flags so we can actually receive certain keys:
                 //     ENABLE_PROCESSED_INPUT - enables Ctrl+C
                 //     ENABLE_LINE_INPUT - enables Ctrl+S
-                NativeMethods.SetConsoleMode(handle,
-                    _singleton._prePSReadlineConsoleMode & ~(NativeMethods.ENABLE_PROCESSED_INPUT | NativeMethods.ENABLE_LINE_INPUT));
+                // Also clear a couple flags so we don't mask the input that we ignore:
+                //     ENABLE_MOUSE_INPUT - mouse events
+                //     ENABLE_WINDOW_INPUT - window resize events
+                var mode = _singleton._prePSReadlineConsoleMode &
+                    ~(NativeMethods.ENABLE_PROCESSED_INPUT |
+                      NativeMethods.ENABLE_LINE_INPUT |
+                      NativeMethods.ENABLE_WINDOW_INPUT |
+                      NativeMethods.ENABLE_MOUSE_INPUT);
+                NativeMethods.SetConsoleMode(handle, mode);
 
                 _singleton.Initialize(remoteRunspace, engineIntrinsics);
                 return _singleton.InputLoop();