Optimize config not set error on windows (#518)

* Optimize config not set error on windows

* Change version to 1.19.0-rc1

package.json

@@ -2,7 +2,7 @@
   "name": "azure-iot-edge",
   "displayName": "Azure IoT Edge",
   "description": "Develop, deploy, debug, and manage your IoT Edge solution",
-  "version": "1.19.0-rc",
+  "version": "1.19.0-rc1",
   "publisher": "vsciot-vscode",
   "aiKey": "95b20d64-f54f-4de3-8ad5-165a75a6c6fe",
   "icon": "logo.png",

src/common/constants.ts

@@ -196,6 +196,7 @@ export class Constants {
     public static dockerNotRunningErrorMsgPatternOnWindows = "This error may also indicate that the docker daemon is not running";
     public static dockerNotRunningErrorMsgPatternOnLinux = "Is the docker daemon running";
     public static permissionDeniedErrorMsgPatternOnLinux = "permission denied";
+    public static connectionStringNotSetErrorMsgOnWindows = "Cannot find config file. You can press Ctrl + Shift + P to open command palette and run `Azure IoT Edge: Setup IoT Edge Simulator` to setup IoT Edge simulator first.\r\n";
     public static skipForNow = "Skip for Now";
     public static learnMore = "Learn More";
     public static install = "Install";

src/edge/simulator.ts

@@ -334,7 +334,11 @@ export class Simulator {
             try {
                 await Executor.executeCMD(null, this.getAdjustedSimulatorExecutorPath(true), { shell: true }, "validateconfig");
             } catch (error) {
-                throw new ConfigNotSetError(error.message);
+                let errorMsg = error.message;
+                if (error.errorCode === 2 && Simulator.currentPlatform === "win32") {
+                    errorMsg = Constants.connectionStringNotSetErrorMsgOnWindows;
+                }
+                throw new ConfigNotSetError(errorMsg);
             }
         }
     }