select solution

src/SharpIDE.Godot/IdeRoot.cs

@@ -0,0 +1,20 @@
+using Godot;
+
+namespace SharpIDE.Godot;
+
+public partial class IdeRoot : Control
+{
+	private Button _openSlnButton = null!;
+	private FileDialog _fileDialog = null!;
+	public override void _Ready()
+	{
+		_openSlnButton = GetNode<Button>("%OpenSlnButton");
+		_fileDialog = GetNode<FileDialog>("%OpenSolutionDialog");
+		_fileDialog.FileSelected += OnFileSelected;
+	}
+
+	private void OnFileSelected(string path)
+	{
+		GD.Print($"Selected: {path}");
+	}
+}