diff --git a/uppsrc/CtrlLib/ArrayCtrl.cpp b/uppsrc/CtrlLib/ArrayCtrl.cpp
index ef54d914f..31a66504a 100644
--- a/uppsrc/CtrlLib/ArrayCtrl.cpp
+++ b/uppsrc/CtrlLib/ArrayCtrl.cpp
@@ -589,6 +589,7 @@ ArrayCtrl& ArrayCtrl::SetLineCy(int cy)
 	linecy = cy;
 	Reline(0, 0);
 	sb.SetLine(cy);
+	Refresh();
 	return *this;
 }
 
diff --git a/uppsrc/CtrlLib/TabCtrl.cpp b/uppsrc/CtrlLib/TabCtrl.cpp
index 3c2f6574a..7e79bcf96 100644
--- a/uppsrc/CtrlLib/TabCtrl.cpp
+++ b/uppsrc/CtrlLib/TabCtrl.cpp
@@ -229,6 +229,8 @@ void TabCtrl::SyncHot()
 		hot = h;
 		tabs.Refresh();
 	}
+	if(IsReadOnly())
+		hot = -1;
 }
 
 void TabCtrl::MouseMove(Point p, dword keyflags)
diff --git a/uppsrc/CtrlLib/src.tpp/TabCtrl$en-us.tpp b/uppsrc/CtrlLib/src.tpp/TabCtrl$en-us.tpp
index 148640b90..e1494984e 100644
--- a/uppsrc/CtrlLib/src.tpp/TabCtrl$en-us.tpp
+++ b/uppsrc/CtrlLib/src.tpp/TabCtrl$en-us.tpp
@@ -265,6 +265,9 @@ separate pages switched by clicking header tabs.&]
 widget (usually slave dialog pane).&]
 [s9; Value of TabCtrl (accessed by GetData() / SetData() or respective 
 shortcut operators) is the index of active tab.&]
+[s9; TabCtrl responds to SetReadOnly / SetEditable method calls by 
+locking / unlocking itself in currently active tab w.r.t. user 
+actions.&]
 [s3; &]
 [s0;%- &]
 [ {{10000F(128)G(128)@1 [s0; [* Public Member List]]}}&]