Use 'nameof' operator.

BizHawk.Client.Common/tools/Watch/Watch.cs

@@ -59,7 +59,7 @@ namespace BizHawk.Client.Common
 			}
 			else
 			{
-				throw new ArgumentException(string.Format("DisplayType {0} is invalid for this type of Watch", type.ToString()), "type");
+				throw new ArgumentException(string.Format("DisplayType {0} is invalid for this type of Watch", type.ToString()), nameof(type));
 			}
 		}
 

BizHawk.Client.EmuHawk/AVOut/FFmpegWriter.cs

@@ -276,7 +276,7 @@ namespace BizHawk.Client.EmuHawk
 		public void SetAudioParameters(int sampleRate, int channels, int bits)
 		{
 			if (bits != 16)
-				throw new ArgumentOutOfRangeException("bits", "Sampling depth must be 16 bits!");
+				throw new ArgumentOutOfRangeException(nameof(bits), "Sampling depth must be 16 bits!");
 			this.sampleRate = sampleRate;
 			this.channels = channels;
 		}

BizHawk.Client.EmuHawk/AVOut/NutMuxer.cs

@@ -106,7 +106,7 @@ namespace BizHawk.Client.EmuHawk
 		static void WriteVarU(int v, Stream stream)
 		{
 			if (v < 0)
-				throw new ArgumentOutOfRangeException("v", "unsigned must be non-negative");
+				throw new ArgumentOutOfRangeException(nameof(v), "unsigned must be non-negative");
 			WriteVarU((ulong)v, stream);
 		}
 
@@ -116,7 +116,7 @@ namespace BizHawk.Client.EmuHawk
 		static void WriteVarU(long v, Stream stream)
 		{
 			if (v < 0)
-				throw new ArgumentOutOfRangeException("v", "unsigned must be non-negative");
+				throw new ArgumentOutOfRangeException(nameof(v), "unsigned must be non-negative");
 			WriteVarU((ulong)v, stream);
 		}
 

BizHawk.Client.EmuHawk/AVOut/NutWriter.cs

@@ -112,7 +112,7 @@ namespace BizHawk.Client.EmuHawk
 		public void SetAudioParameters(int sampleRate, int channels, int bits)
 		{
 			if (bits != 16)
-				throw new ArgumentOutOfRangeException("bits", "Audio depth must be 16 bit!");
+				throw new ArgumentOutOfRangeException(nameof(bits), "Audio depth must be 16 bit!");
 			this.sampleRate = sampleRate;
 			this.channels = channels;
 		}

BizHawk.Client.EmuHawk/AVOut/Quantize/OctreeQuantizer.cs

@@ -51,10 +51,10 @@ namespace BizHawk.Client.EmuHawk
 					: base(false)
         {
             if (maxColors > 255)
-                throw new ArgumentOutOfRangeException("maxColors", maxColors, "The number of colors should be less than 256");
+                throw new ArgumentOutOfRangeException(nameof(maxColors), maxColors, "The number of colors should be less than 256");
 
             if ((maxColorBits < 1) |(maxColorBits > 8))
-                throw new ArgumentOutOfRangeException("maxColorBits", maxColorBits, "This should be between 1 and 8");
+                throw new ArgumentOutOfRangeException(nameof(maxColorBits), maxColorBits, "This should be between 1 and 8");
 
             _octree = new Octree(maxColorBits);
             _maxColors = maxColors;

BizHawk.Client.EmuHawk/AVOut/SynclessRecorder.cs

@@ -107,7 +107,7 @@ namespace BizHawk.Client.EmuHawk
 		/// </summary>
 		static List<string> StringChunkSplit(string s, int len)
 		{
-			if (len == 0) throw new ArgumentException("Invalid len", "len");
+			if (len == 0) throw new ArgumentException("Invalid len", nameof(len));
 
 			int numChunks = (s.Length + len - 1) / len;
 			List<string> output = new List<string>(numChunks);

BizHawk.Client.EmuHawk/CustomControls/MsgBox.cs

@@ -136,7 +136,7 @@ namespace BizHawk.Client.EmuHawk.CustomControls
 		public void SetButtons(string[] names, DialogResult[] results, int def)
 		{
 			if (names == null)
-				throw new ArgumentNullException("names", "Button Text is null");
+				throw new ArgumentNullException(nameof(names), "Button Text is null");
 
 			int count = names.Length;
 

BizHawk.Emulation.Common/Base Implementations/BasicServiceProvider.cs

@@ -55,7 +55,7 @@ namespace BizHawk.Emulation.Common
 		{
 			if (provider == null)
 			{
-				throw new ArgumentNullException("provider");
+				throw new ArgumentNullException(nameof(provider));
 			}
 
 			Services[typeof(T)] = provider;

BizHawk.Emulation.Common/Base Implementations/MemoryDomainImpls.cs

@@ -69,7 +69,7 @@ namespace BizHawk.Emulation.Common
 			if ((ulong)addr < (ulong)Size)
 				return ((byte*)Data)[addr];
 			else
-				throw new ArgumentOutOfRangeException("addr");
+				throw new ArgumentOutOfRangeException(nameof(addr));
 		}
 
 		public override void PokeByte(long addr, byte val)
@@ -79,7 +79,7 @@ namespace BizHawk.Emulation.Common
 				if ((ulong)addr < (ulong)Size)
 					((byte*)Data)[addr] = val;
 				else
-					throw new ArgumentOutOfRangeException("addr");
+					throw new ArgumentOutOfRangeException(nameof(addr));
 			}
 		}
 
@@ -108,7 +108,7 @@ namespace BizHawk.Emulation.Common
 			if ((ulong)addr < (ulong)Size)
 				return ((byte*)Data)[addr ^ 1];
 			else
-				throw new ArgumentOutOfRangeException("addr");
+				throw new ArgumentOutOfRangeException(nameof(addr));
 		}
 
 		public override void PokeByte(long addr, byte val)
@@ -118,7 +118,7 @@ namespace BizHawk.Emulation.Common
 				if ((ulong)addr < (ulong)Size)
 					((byte*)Data)[addr ^ 1] = val;
 				else
-					throw new ArgumentOutOfRangeException("addr");
+					throw new ArgumentOutOfRangeException(nameof(addr));
 			}
 		}
 

BizHawk.Emulation.Common/Interfaces/Services/IDebuggable.cs

@@ -57,7 +57,7 @@ namespace BizHawk.Emulation.Common
 			}
 			else if (bitSize > 64 || bitSize == 0)
 			{
-				throw new System.ArgumentOutOfRangeException("bitSize", "BitSize must be in 1..64");
+				throw new System.ArgumentOutOfRangeException(nameof(bitSize), "BitSize must be in 1..64");
 			}
 			else
 			{

BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/Meteor.IGBAGPUViewable.cs

@@ -31,7 +31,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 		{
 			if (scanline < 0 || scanline > 227)
 			{
-				throw new ArgumentOutOfRangeException("scanline", "Scanline must be in [0, 227]!");
+				throw new ArgumentOutOfRangeException(nameof(scanline), "Scanline must be in [0, 227]!");
 			}
 
 			if (callback == null)

BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/VBANext.IGBAGPUViewable.cs

@@ -25,7 +25,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 		{
 			if (scanline < 0 || scanline > 227)
 			{
-				throw new ArgumentOutOfRangeException("scanline", "Scanline must be in [0, 227]!");
+				throw new ArgumentOutOfRangeException(nameof(scanline), "Scanline must be in [0, 227]!");
 			}
 			if (callback == null)
 			{

BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/Gambatte.cs

@@ -523,7 +523,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 			}
 			else
 			{
-				throw new ArgumentOutOfRangeException("line", "line must be in [0, 153]");
+				throw new ArgumentOutOfRangeException(nameof(line), "line must be in [0, 153]");
 			}
 		}
 

BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/DatachBarcode.cs

@@ -91,7 +91,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 		public static bool ValidString(string s, out string why)
 		{
 			if (s == null)
-				throw new ArgumentNullException("s");
+				throw new ArgumentNullException(nameof(s));
 			if (!s.Length.In(MIN_DIGITS, MAX_DIGITS))
 			{
 				why = string.Format("String must be {0} or {1} digits long!", MIN_DIGITS, MAX_DIGITS);

BizHawk.Emulation.Cores/MemoryBlock.cs

@@ -215,10 +215,10 @@ namespace BizHawk.Emulation.Cores
 		public Stream GetStream(ulong start, ulong length, bool writer)
 		{
 			if (start < Start)
-				throw new ArgumentOutOfRangeException("start");
+				throw new ArgumentOutOfRangeException(nameof(start));
 
 			if (start + length > End)
-				throw new ArgumentOutOfRangeException("length");
+				throw new ArgumentOutOfRangeException(nameof(length));
 
 			return new MemoryViewStream(!writer, writer, (long)start, (long)length, this);
 		}
@@ -232,7 +232,7 @@ namespace BizHawk.Emulation.Cores
 				case Protection.R: p = Kernel32.MemoryProtection.READONLY; break;
 				case Protection.RW: p = Kernel32.MemoryProtection.READWRITE; break;
 				case Protection.RX: p = Kernel32.MemoryProtection.EXECUTE_READ; break;
-				default: throw new ArgumentOutOfRangeException("prot");
+				default: throw new ArgumentOutOfRangeException(nameof(prot));
 			}
 			return p;
 		}

Bizware/BizHawk.Bizware.BizwareGL.GdiPlus/GdiPlusGuiRenderer.cs

@@ -34,7 +34,7 @@ namespace BizHawk.Bizware.BizwareGL.Drivers.GdiPlus
 		public void SetCornerColors(OpenTK.Graphics.Color4[] colors)
 		{
 			Flush(); //dont really need to flush with current implementation. we might as well roll modulate color into it too.
-			if (colors.Length != 4) throw new ArgumentException("array must be size 4", "colors");
+			if (colors.Length != 4) throw new ArgumentException("array must be size 4", nameof(colors));
 			for (int i = 0; i < 4; i++)
 				CornerColors[i] = colors[i];
 		}

Bizware/BizHawk.Bizware.BizwareGL/Borrowed/BitmapFontParser/BitmapFontLoader.cs

@@ -65,7 +65,7 @@ namespace Cyotek.Drawing.BitmapFont
       string[] lines;
 
       if (string.IsNullOrEmpty(fileName))
-        throw new ArgumentNullException("fileName", "File name not specified");
+        throw new ArgumentNullException(nameof(fileName), "File name not specified");
       else if (!File.Exists(fileName))
         throw new FileNotFoundException(string.Format("Cannot find file '{0}'", fileName), fileName);
 

Bizware/BizHawk.Bizware.BizwareGL/GuiRenderer.cs

@@ -67,7 +67,7 @@ namespace BizHawk.Bizware.BizwareGL
 		public void SetCornerColors(OpenTK.Graphics.Color4[] colors)
 		{
 			Flush(); //dont really need to flush with current implementation. we might as well roll modulate color into it too.
-			if (colors.Length != 4) throw new ArgumentException("array must be size 4", "colors");
+			if (colors.Length != 4) throw new ArgumentException("array must be size 4", nameof(colors));
 			for (int i = 0; i < 4; i++)
 				CornerColors[i] = colors[i];
 		}