Add copy to clipboard command for material

StructureHelperLogics/NdmCalculations/Analyses/ExportToCSVLogicBase.cs

@@ -0,0 +1,29 @@
+using System.Text;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses
+{
+    public abstract class ExportToCSVLogicBase : IExportResultLogic
+    {
+        public string separator => ";";
+        public StringBuilder output { get; } = new();
+        public string FileName { get; set; }
+
+        public void Export()
+        {
+            ExportHeadings();
+            ExportBoby();
+            try
+            {
+                File.AppendAllText(FileName, output.ToString());
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine("Data could not be written to the CSV file.");
+                return;
+            }
+        }
+
+        public abstract void ExportBoby();
+        public abstract void ExportHeadings();
+    }
+}