1 files changed, 10 insertions, 0 deletions
diff --git a/Xwt.Gtk/Xwt.GtkBackend/Conversion.cs b/Xwt.Gtk/Xwt.GtkBackend/Conversion.cs
index c576ae03..954688b4 100644
--- a/Xwt.Gtk/Xwt.GtkBackend/Conversion.cs
+++ b/Xwt.Gtk/Xwt.GtkBackend/Conversion.cs
@@ -176,6 +176,16 @@ namespace Xwt.GtkBackend
 			}
 			throw new InvalidOperationException("Invalid TreeViewGridLines value: " + value);
 		}
+
+		public static float ToGtkAlignment(this Alignment alignment)
+		{
+			switch(alignment) {
+				case Alignment.Start: return 0.0f;
+				case Alignment.Center: return 0.5f;
+				case Alignment.End: return 1.0f;
+			}
+			throw new InvalidOperationException("Invalid alignment value: " + alignment);
+		}
 	}
 }