Projektdateien hinzufügen.

FileinterfaceCronScheduler/Scheduler/CustomFunctionInvoker.cs

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+using System;
+
+namespace FileInterface.Scheduler
+{
+    public sealed class CustomFunctionCallResult
+    {
+        public bool Success { get; set; }
+        public string Message { get; set; }
+
+        public static CustomFunctionCallResult Ok(string message)
+        {
+            return new CustomFunctionCallResult { Success = true, Message = message ?? "OK" };
+        }
+
+        public static CustomFunctionCallResult Fail(string message)
+        {
+            return new CustomFunctionCallResult { Success = false, Message = message ?? "CustomFunction failed" };
+        }
+    }
+
+    public interface ICustomFunctionInvoker
+    {
+        CustomFunctionCallResult Invoke(string customFunctionName, string[] inArgs);
+    }
+
+    /// <summary>
+    /// Lets the existing FileInterface IMS code remain untouched. Wire the current
+    /// IMS CustomFunction call into this delegate in Program.cs / service startup.
+    /// </summary>
+    public sealed class DelegateCustomFunctionInvoker : ICustomFunctionInvoker
+    {
+        private readonly Func<string, string[], CustomFunctionCallResult> _handler;
+
+        public DelegateCustomFunctionInvoker(Func<string, string[], CustomFunctionCallResult> handler)
+        {
+            if (handler == null) throw new ArgumentNullException("handler");
+            _handler = handler;
+        }
+
+        public CustomFunctionCallResult Invoke(string customFunctionName, string[] inArgs)
+        {
+            return _handler(customFunctionName, inArgs);
+        }
+    }
+}