Refactoring for native methods

Author: hukatama024e

src/MacroRecoderCsScript/NativeMethods.cs

@@ -22,10 +22,10 @@ internal static class NativeMethods
 		[DllImport( "user32.dll", SetLastError = true )]
 		internal static extern uint SendInput( uint inputNum, Input[] inputs, int inputStructSize );
 
-		[DllImport( "Kernel32.dll" )]
+		[DllImport( "Kernel32.dll", SetLastError = true )]
 		internal static extern bool AttachConsole( int processId );
 
-		[DllImport( "Kernel32.dll" )]
+		[DllImport( "Kernel32.dll", SetLastError = true )]
 		internal static extern bool FreeConsole();
 	}
 }

src/MacroRecoderCsScript/SendInputWrapper.cs

@@ -19,8 +19,7 @@ public static void SendMouseInput( MouseInput[] mouseInput )
 			result = NativeMethods.SendInput( ( uint ) input.Length, input, Marshal.SizeOf( input[ 0 ] ) );
 
 			if( result == NativeMethods.SEND_INPUT_FAILED ) {
-				int errorCode = Marshal.GetLastWin32Error();
-				throw new Win32Exception( errorCode );
+				throw new Win32Exception();
 			}
 		}
 
@@ -38,8 +37,7 @@ public static void SendKeyInput( KeyInput[] keyInput )
 			result = NativeMethods.SendInput( ( uint ) input.Length, input, Marshal.SizeOf( input[ 0 ] ) );
 
 			if( result == NativeMethods.SEND_INPUT_FAILED ) {
-				int errorCode = Marshal.GetLastWin32Error();
-				throw new Win32Exception( errorCode );
+				throw new Win32Exception();
 			}
 		}
 	}

src/MacroRecoderCsScript/UserInputHook.cs

@@ -53,8 +53,7 @@ public void RegisterKeyHook()
 			KeyHookHandle = NativeMethods.SetWindowsHookEx( ( int )WindowsHookID.KeyBoardLowLevel, KeyHookCallback, module, 0 );
 
 			if( KeyHookHandle == IntPtr.Zero ) {
-				int errorCode = Marshal.GetLastWin32Error();
-				throw new Win32Exception( errorCode );
+				throw new Win32Exception();
 			}
 		}
 
@@ -64,8 +63,7 @@ public void RegisterMouseHook()
 			MouseHookHandle = NativeMethods.SetWindowsHookEx( ( int )WindowsHookID.MouseLowLevel, MouseHookCallback, module, 0 );
 
 			if( MouseHookHandle == IntPtr.Zero ) {
-				int errorCode = Marshal.GetLastWin32Error();
-				throw new Win32Exception( errorCode );
+				throw new Win32Exception();
 			}
 		}