First commit.

ButtonWindow.cpp

@@ -0,0 +1,90 @@
+// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
+// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
+// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
+// PARTICULAR PURPOSE.
+//
+// Copyright (c) Microsoft Corporation. All rights reserved
+
+#include "Private.h"
+#include "BaseWindow.h"
+#include "ButtonWindow.h"
+
+//+---------------------------------------------------------------------------
+//
+// CButtonWindow
+//
+//----------------------------------------------------------------------------
+
+CButtonWindow::CButtonWindow()
+{
+    typeOfControl = 0;
+}
+
+//+---------------------------------------------------------------------------
+//
+// ~CButtonWindow
+//
+//----------------------------------------------------------------------------
+
+CButtonWindow::~CButtonWindow()
+{
+}
+
+//+---------------------------------------------------------------------------
+//
+// _OnPaint
+//
+//----------------------------------------------------------------------------
+
+void CButtonWindow::_OnPaint(_In_ HDC dcHandle, _In_ PAINTSTRUCT *pps)
+{
+    dcHandle;
+    pps;
+}
+
+//+---------------------------------------------------------------------------
+//
+// _OnLButtonDown
+//
+//----------------------------------------------------------------------------
+
+void CButtonWindow::_OnLButtonDown(POINT pt)
+{
+    pt;
+
+    typeOfControl = DFCS_PUSHED;
+    _StartCapture();
+}
+
+//+---------------------------------------------------------------------------
+//
+// _WindowProcCallback
+//
+//----------------------------------------------------------------------------
+LRESULT CALLBACK CButtonWindow::_WindowProcCallback(_In_ HWND wndHandle, UINT uMsg, _In_ WPARAM wParam, _In_ LPARAM lParam) 
+{ 
+    wndHandle;
+    uMsg;
+    wParam;
+    lParam;
+
+    return 0; 
+}
+
+//+---------------------------------------------------------------------------
+//
+// _OnLButtonUp
+//
+//----------------------------------------------------------------------------
+
+void CButtonWindow::_OnLButtonUp(POINT pt)
+{
+    pt;
+
+    if (_IsCapture())
+    {
+        _EndCapture();
+    }
+
+    typeOfControl = 0;
+}