Avoid nullref when clearing TextBox that has not yet been displayed

diff --git a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/TextBoxBase.cs b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/TextBoxBase.cs
index 72fd50ae624ee0fdc197fc5ffeec882464bbaf7b..14d549e9c139aa1c4c21cfde665bc4bc9613ef7f 100644 (file)
--- a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/TextBoxBase.cs
+++ b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/TextBoxBase.cs
@@ -667,9 +667,10 @@ namespace System.Windows.Forms
                                } else {
                                        document.Empty();
 
-                                       document.SetSelectionToCaret (true);
-                                       if (IsHandleCreated)
+                                       if (IsHandleCreated) {
+                                               document.SetSelectionToCaret (true);
                                                CalculateDocument ();
+                                       }
                                }
 
                                OnTextChanged(EventArgs.Empty);