拡大後にキャレットを移動させ、ホイールでスクロールさせると落ちることがあった

diff --git a/Metro/FooEditEngine/FooTextBox.cs b/Metro/FooEditEngine/FooTextBox.cs
index 9b782da..96a2a29 100644 (file)
--- a/Metro/FooEditEngine/FooTextBox.cs
+++ b/Metro/FooEditEngine/FooTextBox.cs
@@ -853,7 +853,8 @@ namespace FooEditEngine.Metro
                 else
                 {
                     TextPoint tp = this.View.GetTextPointFromPostion(p);
-                    this._Controller.MoveCaretAndSelect(tp);
+                    if(tp != TextPoint.Null)
+                        this._Controller.MoveCaretAndSelect(tp);
                 }
                 if (this.peer != null)
                     this.peer.OnNotifyCaretChanged();