diff --git a/src/ce_dockoptions.pas b/src/ce_dockoptions.pas
index 60ccbca8..dd2d360a 100644
--- a/src/ce_dockoptions.pas
+++ b/src/ce_dockoptions.pas
@@ -48,8 +48,8 @@ begin
   //
   ShowHeaderCaptionCheckBox.OnChange := @doChanged;
   HideHeaderCaptionForFloatingCheckBox.OnChange := @doChanged;
-  //FlattenHeaders.OnChange := @doChanged;
-  //FilledHeaders.OnChange := @doChanged;
+  FlattenHeadersCheckBox.OnChange := @doChanged;
+  FilledHeadersCheckBox.OnChange := @doChanged;
   //
   HeaderStyleComboBox.OnChange := @doChanged;
   //
@@ -133,11 +133,11 @@ begin
   hasHeaders:=ShowHeaderCheckBox.Checked;
   ShowHeaderCaptionCheckBox.Enabled:=HasHeaders;
   HideHeaderCaptionForFloatingCheckBox.Enabled:=HasHeaders;
-  //FlattenHeaders.Enabled:=HasHeaders;
-  //FilledHeaders.Enabled:=HasHeaders;
+  FlattenHeadersCheckBox.Enabled:=HasHeaders;
+  FilledHeadersCheckBox.Enabled:=HasHeaders;
   //
-  //DockMaster.HeaderFilled := FilledHeaders.Checked;
-  //DockMaster.HeaderFlatten:= FlattenHeaders.Checked;
+  DockMaster.HeaderFilled := FilledHeadersCheckBox.Checked;
+  DockMaster.HeaderFlatten:= FlattenHeadersCheckBox.Checked;
   DockMaster.ShowHeaderCaption:= ShowHeaderCaptionCheckBox.Checked;
   DockMaster.HideHeaderCaptionFloatingControl:= HideHeaderCaptionForFloatingCheckBox.Checked;
   //