Index: src/ch/MiniViewDlg.h
===================================================================
diff -u -N -rc5252ea6f56ae2094a1f46fce4900f4e7be61a17 -r8068e0c351055554340ac9755d1bc846893bf2b8
--- src/ch/MiniViewDlg.h	(.../MiniViewDlg.h)	(revision c5252ea6f56ae2094a1f46fce4900f4e7be61a17)
+++ src/ch/MiniViewDlg.h	(.../MiniViewDlg.h)	(revision 8068e0c351055554340ac9755d1bc846893bf2b8)
@@ -51,15 +51,15 @@
 
 // Construction
 public:
-	CMiniViewDlg(chcore::TTaskManager* pArray, bool* pbHide, CWnd* pParent = NULL);   // standard constructor
+	CMiniViewDlg(chcore::TTaskManager* pArray, bool* pbHide, CWnd* pParent = nullptr);   // standard constructor
 
 	void ShowWindow();
 	void HideWindow();
 	void ResizeDialog();
-	friend void OnRestartBtn(CMiniViewDlg* pDlg, UINT uiMsg, CMiniViewDlg::_BTNDATA_* pData, CDC* pDC=NULL);
-	friend void OnCancelBtn(CMiniViewDlg* pDlg, UINT uiMsg, CMiniViewDlg::_BTNDATA_* pData, CDC* pDC=NULL);
-	friend void OnResume(CMiniViewDlg* pDlg, UINT uiMsg, CMiniViewDlg::_BTNDATA_* pData, CDC* pDC=NULL);
-	friend void OnPause(CMiniViewDlg* pDlg, UINT uiMsg, CMiniViewDlg::_BTNDATA_* pData, CDC* pDC=NULL);
+	friend void OnRestartBtn(CMiniViewDlg* pDlg, UINT uiMsg, CMiniViewDlg::_BTNDATA_* pData, CDC* pDC=nullptr);
+	friend void OnCancelBtn(CMiniViewDlg* pDlg, UINT uiMsg, CMiniViewDlg::_BTNDATA_* pData, CDC* pDC=nullptr);
+	friend void OnResume(CMiniViewDlg* pDlg, UINT uiMsg, CMiniViewDlg::_BTNDATA_* pData, CDC* pDC=nullptr);
+	friend void OnPause(CMiniViewDlg* pDlg, UINT uiMsg, CMiniViewDlg::_BTNDATA_* pData, CDC* pDC=nullptr);
 	friend void OnCloseBtn(CMiniViewDlg* pDlg, UINT uiMsg, CMiniViewDlg::_BTNDATA_* pData, CDC* pDC);
 
 	void RefreshStatus();