diff --git a/src/AutoHideDockContainer.h b/src/AutoHideDockContainer.h
index 6ecf7db..7bd3e92 100644
--- a/src/AutoHideDockContainer.h
+++ b/src/AutoHideDockContainer.h
@@ -47,9 +47,9 @@ class CSideTabBar;
 class CDockAreaWidget;
 class CDockingStateReader;
 
-// Note: This widget must be a QSplitter, inheriting from QWidget and keeping an
-// internal splitter breaks ActiveX widgets
-// likely due to layout issues between this widget and the internal splitter
+/**
+ * Auto hide container for hosting an auto hide dock widget
+ */
 class ADS_EXPORT CAutoHideDockContainer : public QFrame
 {
 	Q_OBJECT
diff --git a/src/PushButton.h b/src/PushButton.h
index 2d36961..e375d20 100644
--- a/src/PushButton.h
+++ b/src/PushButton.h
@@ -10,15 +10,17 @@
 //============================================================================
 //                                   INCLUDES
 //============================================================================
+#include "ads_globals.h"
+
 #include <QPushButton>
 
 namespace ads
 {
 
 /**
- * ADS specific push button class
+ * ADS specific push button class with orientation support
  */
-class CPushButton : public QPushButton
+class ADS_EXPORT CPushButton : public QPushButton
 {
     Q_OBJECT
 public:
@@ -32,7 +34,14 @@ public:
 
     virtual QSize sizeHint() const override;
 
+    /**
+     * Returns the current orientation
+     */
     Orientation orientation() const;
+
+    /**
+     * Set the orientation of this button
+     */
     void setOrientation(Orientation orientation);
 
 protected:
diff --git a/src/ResizeHandle.h b/src/ResizeHandle.h
index a7a1360..7031306 100644
--- a/src/ResizeHandle.h
+++ b/src/ResizeHandle.h
@@ -10,6 +10,7 @@
 //============================================================================
 //                                   INCLUDES
 //============================================================================
+#include "ads_globals.h"
 #include <QFrame>
 
 namespace ads
@@ -19,7 +20,7 @@ struct ResizeHandlePrivate;
 /**
  * Resize handle for resizing its parent widget
  */
-class CResizeHandle : public QFrame
+class ADS_EXPORT CResizeHandle : public QFrame
 {
 	Q_OBJECT
 	Q_DISABLE_COPY(CResizeHandle)