fix nullref if input or output field is empty

Author: unitycoder

MainWindow.xaml.cs

@@ -30,7 +30,7 @@ namespace PointCloudConverter
 {
     public partial class MainWindow : Window
     {
-        static readonly string version = "05.04.2025";
+        static readonly string version = "08.04.2025";
         static readonly string appname = "PointCloud Converter - " + version;
         static readonly string rootFolder = AppDomain.CurrentDomain.BaseDirectory;
 
@@ -1865,11 +1865,8 @@ private void chkManualOffset_Checked(object sender, RoutedEventArgs e)
 
         private void btnCopyToClipboard_Click(object sender, RoutedEventArgs e)
         {
-            // copy console to clipboard
-            System.Windows.Clipboard.SetText(txtConsole.Text);
-            // focus
+            Clipboard.SetText(txtConsole.Text);
             txtConsole.Focus();
-            // select all text
             txtConsole.SelectAll();
             e.Handled = true;
         }

Tools/ArgParser.cs

@@ -227,6 +227,12 @@ public static ImportSettings Parse(string[] args, string rootFolder, ILogger log
                             case "-input":
                                 Log.Write("input = " + param);
 
+                                if (string.IsNullOrEmpty(param.Trim()))
+                                {
+                                    importSettings.errors.Add("Input file not defined: " + param);
+                                    break;
+                                }
+
                                 // remove quotes (needed for paths with spaces)
                                 param = param.Trim('"');
 
@@ -291,6 +297,14 @@ public static ImportSettings Parse(string[] args, string rootFolder, ILogger log
                             case "-output":
                                 Log.Write("output = " + param);
 
+                                if (string.IsNullOrEmpty(param.Trim()))
+                                {
+                                    importSettings.errors.Add("Output not defined: " + param);
+                                    break;
+                                }
+
+                                param = param.Trim('"');
+
                                 // check if relative or not
                                 if (Path.IsPathRooted(param) == false)
                                 {
@@ -663,7 +677,7 @@ public static ImportSettings Parse(string[] args, string rootFolder, ILogger log
                                     }
                                     else
                                     {
-                                        importSettings.errors.Add("Invalid offset parameter: " + param);
+                                        importSettings.errors.Add("Invalid offset parameter (Use: min or legacy): " + param);
                                     }
                                 }
                                 else // autooffset
@@ -784,7 +798,7 @@ public static ImportSettings Parse(string[] args, string rootFolder, ILogger log
 
                                 if (param != "legacy" && param != "min")
                                 {
-                                    importSettings.errors.Add("Invalid offsetmode parameter: " + param);
+                                    importSettings.errors.Add("Invalid offset parameter:  (Use: min or legacy)" + param);
                                 }
                                 else
                                 {
@@ -847,6 +861,9 @@ public static ImportSettings Parse(string[] args, string rootFolder, ILogger log
                 Tools.PrintHelpAndExit(argValueSeparator, waitEnter: true);
             }
 
+
+            // *** VALIDATE SETTINGS ***
+
             // check that we had input
             if (importSettings.inputFiles.Count == 0 || string.IsNullOrEmpty(importSettings.inputFiles[0]) == true)
             {
@@ -916,6 +933,7 @@ public static ImportSettings Parse(string[] args, string rootFolder, ILogger log
                 }
             } // have input
 
+
             // check required settings
             if (importSettings.exportFormat == ExportFormat.Unknown)
             {