Controller Config - implement Gameboy power button

BizHawk.MultiClient/Config.cs

@@ -913,8 +913,9 @@ namespace BizHawk.MultiClient
 		public string Right;
 		public string A;
 		public string B;
-		public string Start;
 		public string Select;
+		public string Start;
+		public string Power = "";
 		public bool Enabled;
 		public GBControllerTemplate() { }
 		public GBControllerTemplate(bool defaults)
@@ -930,6 +931,7 @@ namespace BizHawk.MultiClient
 				B = "Z, X1 A";
 				Start = "Return, X1 Start";
 				Select = "Space, X1 Back";
+				Power = "";
 			}
 			else
 			{
@@ -942,6 +944,7 @@ namespace BizHawk.MultiClient
 				B = "";
 				Start = "";
 				Select = "";
+				Power = "";
 			}
 		}
 	}

BizHawk.MultiClient/MainForm.cs

@@ -877,6 +877,7 @@ namespace BizHawk.MultiClient
 			gbControls.BindMulti("B", Global.Config.GBController[0].B);
 			gbControls.BindMulti("Select", Global.Config.GBController[0].Select);
 			gbControls.BindMulti("Start", Global.Config.GBController[0].Start);
+			gbControls.BindMulti("Power", Global.Config.GBController[0].Power);
 			Global.GBControls = gbControls;
 
 			var agbControls = new AutofireController(Gameboy.GbController);

BizHawk.MultiClient/config/ControllerConfig/ControllerConfigPanel.cs

@@ -77,7 +77,15 @@ namespace BizHawk.MultiClient
 			{
 				FieldInfo buttonF = ControllerConfigObject.GetType().GetField(buttons[button]);
 				object field = ControllerConfigObject.GetType().GetField(buttons[button]).GetValue(ControllerConfigObject);
-				Inputs[button].SetBindings(field.ToString());
+
+				if (field == null)
+				{
+					Inputs[button].SetBindings("");
+				}
+				else
+				{
+					Inputs[button].SetBindings(field.ToString());
+				}
 			}
 		}