diff --git a/Min_quadrilateral_2/demo/Min_quadrilateral_2/min_quadrilateral_2.vcproj b/Min_quadrilateral_2/demo/Min_quadrilateral_2/min_quadrilateral_2.vcproj
index 67ed1d72f1d..a9dc5228efa 100644
--- a/Min_quadrilateral_2/demo/Min_quadrilateral_2/min_quadrilateral_2.vcproj
+++ b/Min_quadrilateral_2/demo/Min_quadrilateral_2/min_quadrilateral_2.vcproj
@@ -1,7 +1,7 @@
-<?xml version="1.0" encoding = "Windows-1252"?>
+<?xml version="1.0" encoding="Windows-1252"?>
 <VisualStudioProject
 	ProjectType="Visual C++"
-	Version="7.00"
+	Version="7.10"
 	Name="min_quadrilateral_2"
 	ProjectGUID="{911AD9EE-7B9A-4416-8C68-B43A1337E577}"
 	Keyword="Win32Proj">
@@ -20,11 +20,12 @@
 				Name="VCCLCompilerTool"
 				AdditionalOptions="/GR /Zm900"
 				Optimization="0"
-				AdditionalIncludeDirectories="&quot;$(CGALROOT)/include/CGAL/config/msvc7&quot;;&quot;$(CGALROOT)/include&quot;;&quot;$(QTDIR)\include&quot;;&quot;$(QTDIR)\mkspecs\win32-msvc&quot;"
+				AdditionalIncludeDirectories="&quot;../../include/CGAL/config/msvc7&quot;;&quot;../../include&quot;;&quot;$(QTDIR)\include&quot;"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;CGAL_USE_GMP;CGAL_USE_QT"
 				MinimalRebuild="TRUE"
 				BasicRuntimeChecks="3"
-				RuntimeLibrary="5"
+				RuntimeLibrary="2"
+				RuntimeTypeInfo="TRUE"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				Detect64BitPortabilityProblems="FALSE"
@@ -33,10 +34,10 @@
 				Name="VCCustomBuildTool"/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalOptions="$(CGALROOT)\lib\msvc7\CGAL.lib $(CGALROOT)\lib\msvc7\CGALQt.lib $(QTDIR)\lib\qt.lib $(QTDIR)\lib\qtmain.lib  $(CGALROOT)\lib\msvc7\gmp.lib wsock32.lib winmm.lib imm32.lib opengl32.lib glu32.lib"
+				AdditionalDependencies="cgal.lib cgalqt.lib qt-mt.lib qtmain.lib wsock32.lib winmm.lib imm32.lib"
 				OutputFile="$(OutDir)/min_quadrilateral_2.exe"
 				LinkIncremental="2"
-				IgnoreDefaultLibraryNames="LIBC"
+				IgnoreDefaultLibraryNames=""
 				GenerateDebugInformation="TRUE"
 				ProgramDatabaseFile="$(OutDir)/min_quadrilateral_2.pdb"
 				SubSystem="2"
@@ -53,8 +54,14 @@
 				Name="VCResourceCompilerTool"/>
 			<Tool
 				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
 			<Tool
 				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
 		<Configuration
 			Name="Release|Win32"
@@ -67,11 +74,12 @@
 				Optimization="2"
 				InlineFunctionExpansion="1"
 				OmitFramePointers="TRUE"
-				AdditionalIncludeDirectories="&quot;$(CGALROOT)/include/CGAL/config/msvc7&quot;;&quot;$(CGALROOT)/include&quot;;&quot;$(QTDIR)\include&quot;;&quot;$(QTDIR)\mkspecs\win32-msvc&quot;"
+				AdditionalIncludeDirectories="&quot;../../include/CGAL/config/msvc7&quot;;&quot;../../include&quot;;&quot;$(QTDIR)\include&quot;"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;CGAL_USE_QT;CGAL_USE_GMP"
 				StringPooling="TRUE"
-				RuntimeLibrary="4"
+				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="TRUE"
+				RuntimeTypeInfo="TRUE"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				Detect64BitPortabilityProblems="FALSE"
@@ -80,7 +88,7 @@
 				Name="VCCustomBuildTool"/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalOptions="$(CGALROOT)\lib\msvc7\CGAL.lib $(CGALROOT)\lib\msvc7\CGALQt.lib $(QTDIR)\lib\qt.lib $(QTDIR)\lib\qtmain.lib  $(CGALROOT)\lib\msvc7\gmp.lib wsock32.lib winmm.lib imm32.lib opengl32.lib glu32.lib"
+				AdditionalDependencies="cgal.lib cgalqt.lib qt-mt.lib qtmain.lib wsock32.lib winmm.lib imm32.lib"
 				OutputFile="$(OutDir)/min_quadrilateral_2.exe"
 				LinkIncremental="1"
 				IgnoreDefaultLibraryNames=""
@@ -101,14 +109,37 @@
 				Name="VCResourceCompilerTool"/>
 			<Tool
 				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
 			<Tool
 				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
 		</Configuration>
 	</Configurations>
+	<References>
+	</References>
 	<Files>
 		<Filter
 			Name="Source Files"
 			Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm">
+			<File
+				RelativePath="min_quadrilateral_2.C">
+				<FileConfiguration
+					Name="Debug|Win32">
+					<Tool
+						Name="VCCLCompilerTool"
+						CompileAs="2"/>
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
+					<Tool
+						Name="VCCLCompilerTool"
+						CompileAs="2"/>
+				</FileConfiguration>
+			</File>
 			<File
 				RelativePath="Qt_widget_move_list_point.C">
 				<FileConfiguration
@@ -154,25 +185,32 @@
 						CompileAs="2"/>
 				</FileConfiguration>
 			</File>
-			<File
-				RelativePath="min_quadrilateral_2.C">
-				<FileConfiguration
-					Name="Debug|Win32">
-					<Tool
-						Name="VCCLCompilerTool"
-						CompileAs="2"/>
-				</FileConfiguration>
-				<FileConfiguration
-					Name="Release|Win32">
-					<Tool
-						Name="VCCLCompilerTool"
-						CompileAs="2"/>
-				</FileConfiguration>
-			</File>
 		</Filter>
 		<Filter
 			Name="Header Files"
 			Filter="h;hpp;hxx;hm;inl;inc">
+			<File
+				RelativePath="min_quadrilateral_2.h">
+				<FileConfiguration
+					Name="Debug|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						CommandLine="$(QTDIR)/bin/moc.exe -o min_quadrilateral_2.moc min_quadrilateral_2.C
+"
+						Outputs="min_quadrilateral_2.moc"/>
+				</FileConfiguration>
+				<FileConfiguration
+					Name="Release|Win32">
+					<Tool
+						Name="VCCustomBuildTool"
+						CommandLine="$(QTDIR)/bin/moc.exe -o min_quadrilateral_2.moc min_quadrilateral_2.C
+"
+						Outputs="min_quadrilateral_2.moc"/>
+				</FileConfiguration>
+			</File>
+			<File
+				RelativePath="min_quadrilateral_layers.h">
+			</File>
 			<File
 				RelativePath="Qt_widget_move_list_point.h">
 				<FileConfiguration
@@ -230,28 +268,6 @@
 						Outputs="Qt_widget_toolbar_layers.moc"/>
 				</FileConfiguration>
 			</File>
-			<File
-				RelativePath="min_quadrilateral_2.h">
-				<FileConfiguration
-					Name="Debug|Win32">
-					<Tool
-						Name="VCCustomBuildTool"
-						CommandLine="$(QTDIR)/bin/moc.exe -o min_quadrilateral_2.moc min_quadrilateral_2.C
-"
-						Outputs="min_quadrilateral_2.moc"/>
-				</FileConfiguration>
-				<FileConfiguration
-					Name="Release|Win32">
-					<Tool
-						Name="VCCustomBuildTool"
-						CommandLine="$(QTDIR)/bin/moc.exe -o min_quadrilateral_2.moc min_quadrilateral_2.C
-"
-						Outputs="min_quadrilateral_2.moc"/>
-				</FileConfiguration>
-			</File>
-			<File
-				RelativePath="min_quadrilateral_layers.h">
-			</File>
 		</Filter>
 		<Filter
 			Name="Resource Files"