diff --git a/SourceGen/AppForms/ProjectView.cs b/SourceGen/AppForms/ProjectView.cs
index b026445..60e2d46 100644
--- a/SourceGen/AppForms/ProjectView.cs
+++ b/SourceGen/AppForms/ProjectView.cs
@@ -263,6 +263,15 @@ namespace SourceGen.AppForms {
             UpdateRecentLinks();
 
             ShowNoProject();
+
+            ProcessCommandLine();
+        }
+
+        private void ProcessCommandLine() {
+            string[] args = Environment.GetCommandLineArgs();
+            if (args.Length == 2) {
+                DoOpenFile(Path.GetFullPath(args[1]));
+            }
         }
 
         private void InitCodeListView() {
diff --git a/SourceGen/PlatformSymbols.cs b/SourceGen/PlatformSymbols.cs
index 8a15605..5c07313 100644
--- a/SourceGen/PlatformSymbols.cs
+++ b/SourceGen/PlatformSymbols.cs
@@ -74,6 +74,7 @@ namespace SourceGen {
         /// Loads platform symbols.
         /// </summary>
         /// <param name="fileIdent">Relative pathname of file to open.</param>
+        /// <param name="projectDir">Full path to project directory.</param>
         /// <param name="report">Report of warnings and errors.</param>
         /// <returns>True on success (no errors), false on failure.</returns>
         public bool LoadFromFile(string fileIdent, string projectDir, out FileLoadReport report) {