diff --git a/sample c++/log.cpp b/sample c++/log.cpp
new file mode 100644
index 0000000..2e183b0
--- /dev/null
+++ b/sample c++/log.cpp	
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2017 rxi
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <time.h>
+
+#include "log.h"
+
+static struct {
+  void *udata;
+  log_LockFn lock;
+  FILE *fp;
+  int level;
+  int quiet;
+} L;
+
+
+static const char *level_names[] = {
+  "TRACE", "DEBUG", "INFO", "WARN", "ERROR", "FATAL"
+};
+
+#ifdef LOG_USE_COLOR
+static const char *level_colors[] = {
+  "\x1b[94m", "\x1b[36m", "\x1b[32m", "\x1b[33m", "\x1b[31m", "\x1b[35m"
+};
+#endif
+
+
+static void lock(void)   {
+  if (L.lock) {
+    L.lock(L.udata, 1);
+  }
+}
+
+
+static void unlock(void) {
+  if (L.lock) {
+    L.lock(L.udata, 0);
+  }
+}
+
+
+void log_set_udata(void *udata) {
+  L.udata = udata;
+}
+
+
+void log_set_lock(log_LockFn fn) {
+  L.lock = fn;
+}
+
+
+void log_set_fp(FILE *fp) {
+  L.fp = fp;
+}
+
+
+void log_set_level(int level) {
+  L.level = level;
+}
+
+
+void log_set_quiet(int enable) {
+  L.quiet = enable ? 1 : 0;
+}
+
+
+void log_log(int level, const char *file, int line, const char *fmt, ...) {
+  if (level < L.level) {
+    return;
+  }
+
+  /* Acquire lock */
+  lock();
+
+  /* Get current time */
+  time_t t = time(NULL);
+  struct tm *lt = localtime(&t);
+
+  /* Log to stderr */
+  if (!L.quiet) {
+    va_list args;
+    char buf[16];
+    buf[strftime(buf, sizeof(buf), "%H:%M:%S", lt)] = '\0';
+#ifdef LOG_USE_COLOR
+    fprintf(
+      stderr, "%s %s%-5s\x1b[0m \x1b[90m%s:%d:\x1b[0m ",
+      buf, level_colors[level], level_names[level], file, line);
+#else
+    fprintf(stderr, "%s %-5s %s:%d: ", buf, level_names[level], file, line);
+#endif
+    va_start(args, fmt);
+    vfprintf(stderr, fmt, args);
+    va_end(args);
+    fprintf(stderr, "\n");
+    fflush(stderr);
+  }
+
+  /* Log to file */
+  if (L.fp) {
+    va_list args;
+    char buf[32];
+    buf[strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", lt)] = '\0';
+    fprintf(L.fp, "%s %-5s %s:%d: ", buf, level_names[level], file, line);
+    va_start(args, fmt);
+    vfprintf(L.fp, fmt, args);
+    va_end(args);
+    fprintf(L.fp, "\n");
+    fflush(L.fp);
+  }
+
+  /* Release lock */
+  unlock();
+}
diff --git a/sample c++/log.h b/sample c++/log.h
new file mode 100644
index 0000000..b3df494
--- /dev/null
+++ b/sample c++/log.h	
@@ -0,0 +1,35 @@
+/**
+ * Copyright (c) 2017 rxi
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MIT license. See `log.c` for details.
+ */
+
+#ifndef LOG_H
+#define LOG_H
+
+#include <stdio.h>
+#include <stdarg.h>
+
+#define LOG_VERSION "0.1.0"
+
+typedef void (*log_LockFn)(void *udata, int lock);
+
+enum { LOG_TRACE, LOG_DEBUG, LOG_INFO, LOG_WARN, LOG_ERROR, LOG_FATAL };
+
+#define log_trace(...) log_log(LOG_TRACE, __FILE__, __LINE__, __VA_ARGS__)
+#define log_debug(...) log_log(LOG_DEBUG, __FILE__, __LINE__, __VA_ARGS__)
+#define log_info(...)  log_log(LOG_INFO,  __FILE__, __LINE__, __VA_ARGS__)
+#define log_warn(...)  log_log(LOG_WARN,  __FILE__, __LINE__, __VA_ARGS__)
+#define log_error(...) log_log(LOG_ERROR, __FILE__, __LINE__, __VA_ARGS__)
+#define log_fatal(...) log_log(LOG_FATAL, __FILE__, __LINE__, __VA_ARGS__)
+
+void log_set_udata(void *udata);
+void log_set_lock(log_LockFn fn);
+void log_set_fp(FILE *fp);
+void log_set_level(int level);
+void log_set_quiet(int enable);
+
+void log_log(int level, const char *file, int line, const char *fmt, ...);
+
+#endif
diff --git a/sample c++/sample/Debug/sample.exe b/sample c++/sample/Debug/sample.exe
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diff --git a/sample c++/sample/Debug/sample.ilk b/sample c++/sample/Debug/sample.ilk
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diff --git a/sample c++/sample/Debug/sample.pdb b/sample c++/sample/Debug/sample.pdb
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index 0000000..1d3964c
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diff --git a/sample c++/sample/ipch/sample-7fe17b0a/sample-c6634e.ipch b/sample c++/sample/ipch/sample-7fe17b0a/sample-c6634e.ipch
new file mode 100644
index 0000000..134a9f6
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diff --git a/sample c++/sample/sample.sdf b/sample c++/sample/sample.sdf
new file mode 100644
index 0000000..a0d0fae
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diff --git a/sample c++/sample/sample.sln b/sample c++/sample/sample.sln
new file mode 100644
index 0000000..473bded
--- /dev/null
+++ b/sample c++/sample/sample.sln	
@@ -0,0 +1,20 @@
+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2010
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "sample", "sample\sample.vcxproj", "{2FA17684-60FD-4936-A07F-C7C551CB5521}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Release|Win32 = Release|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{2FA17684-60FD-4936-A07F-C7C551CB5521}.Debug|Win32.ActiveCfg = Debug|Win32
+		{2FA17684-60FD-4936-A07F-C7C551CB5521}.Debug|Win32.Build.0 = Debug|Win32
+		{2FA17684-60FD-4936-A07F-C7C551CB5521}.Release|Win32.ActiveCfg = Release|Win32
+		{2FA17684-60FD-4936-A07F-C7C551CB5521}.Release|Win32.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
diff --git a/sample c++/sample/sample.suo b/sample c++/sample/sample.suo
new file mode 100644
index 0000000..e481daf
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diff --git a/sample c++/sample/sample/Debug/CL.read.1.tlog b/sample c++/sample/sample/Debug/CL.read.1.tlog
new file mode 100644
index 0000000..764b8b3
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diff --git a/sample c++/sample/sample/Debug/CL.write.1.tlog b/sample c++/sample/sample/Debug/CL.write.1.tlog
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index 0000000..1a24e0b
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diff --git a/sample c++/sample/sample/Debug/cl.command.1.tlog b/sample c++/sample/sample/Debug/cl.command.1.tlog
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index 0000000..102b426
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diff --git a/sample c++/sample/sample/Debug/link.command.1.tlog b/sample c++/sample/sample/Debug/link.command.1.tlog
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index 0000000..49a012e
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diff --git a/sample c++/sample/sample/Debug/link.write.1.tlog b/sample c++/sample/sample/Debug/link.write.1.tlog
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diff --git a/sample c++/sample/sample/Debug/log.obj b/sample c++/sample/sample/Debug/log.obj
new file mode 100644
index 0000000..02ceec6
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diff --git a/sample c++/sample/sample/Debug/mt.command.1.tlog b/sample c++/sample/sample/Debug/mt.command.1.tlog
new file mode 100644
index 0000000..5dbc3c3
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diff --git a/sample c++/sample/sample/Debug/mt.read.1.tlog b/sample c++/sample/sample/Debug/mt.read.1.tlog
new file mode 100644
index 0000000..e622c96
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diff --git a/sample c++/sample/sample/Debug/mt.write.1.tlog b/sample c++/sample/sample/Debug/mt.write.1.tlog
new file mode 100644
index 0000000..882b5c5
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diff --git a/sample c++/sample/sample/Debug/sample.exe.intermediate.manifest b/sample c++/sample/sample/Debug/sample.exe.intermediate.manifest
new file mode 100644
index 0000000..ecea6f7
--- /dev/null
+++ b/sample c++/sample/sample/Debug/sample.exe.intermediate.manifest	
@@ -0,0 +1,10 @@
+<?xml version='1.0' encoding='UTF-8' standalone='yes'?>
+<assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+    <security>
+      <requestedPrivileges>
+        <requestedExecutionLevel level='asInvoker' uiAccess='false' />
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+</assembly>
diff --git a/sample c++/sample/sample/Debug/sample.lastbuildstate b/sample c++/sample/sample/Debug/sample.lastbuildstate
new file mode 100644
index 0000000..7593a57
--- /dev/null
+++ b/sample c++/sample/sample/Debug/sample.lastbuildstate	
@@ -0,0 +1,2 @@
+#v4.0:v100:false
+Debug|Win32|C:\Work\NED\comunity\log.c\src\sample\|
diff --git a/sample c++/sample/sample/Debug/sample.log b/sample c++/sample/sample/Debug/sample.log
new file mode 100644
index 0000000..95e7a8c
--- /dev/null
+++ b/sample c++/sample/sample/Debug/sample.log	
@@ -0,0 +1,31 @@
+Build started 25-May-19 4:01:16 PM.
+     1>Project "C:\Work\NED\comunity\log.c\src\sample\sample\sample.vcxproj" on node 2 (build target(s)).
+     1>PrepareForBuild:
+         Creating directory "C:\Work\NED\comunity\log.c\src\sample\Debug\".
+       InitializeBuildStatus:
+         Creating "Debug\sample.unsuccessfulbuild" because "AlwaysCreate" was specified.
+       ClCompile:
+         C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\CL.exe /c /ZI /nologo /W3 /WX- /Od /Oy- /D _MBCS /Gm /EHsc /RTC1 /MDd /GS /fp:precise /Zc:wchar_t /Zc:forScope /Fo"Debug\\" /Fd"Debug\vc100.pdb" /Gd /TP /analyze- /errorReport:prompt ..\..\log.cpp sample.cpp
+         sample.cpp
+     1>c:\work\ned\comunity\log.c\src\sample\sample\sample.cpp(8): warning C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
+                 c:\program files (x86)\microsoft visual studio 10.0\vc\include\stdio.h(234) : see declaration of 'fopen'
+     1>c:\work\ned\comunity\log.c\src\sample\sample\sample.cpp(16): warning C4996: 'getch': The POSIX name for this item is deprecated. Instead, use the ISO C++ conformant name: _getch. See online help for details.
+                 c:\program files (x86)\microsoft visual studio 10.0\vc\include\conio.h(128) : see declaration of 'getch'
+         log.cpp
+     1>c:\work\ned\comunity\log.c\src\log.cpp(100): warning C4996: 'localtime': This function or variable may be unsafe. Consider using localtime_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
+                 c:\program files (x86)\microsoft visual studio 10.0\vc\include\time.inl(112) : see declaration of 'localtime'
+         Generating Code...
+       Link:
+         C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\link.exe /ERRORREPORT:PROMPT /OUT:"C:\Work\NED\comunity\log.c\src\sample\Debug\sample.exe" /NOLOGO kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /MANIFEST /ManifestFile:"Debug\sample.exe.intermediate.manifest" /MANIFESTUAC:"level='asInvoker' uiAccess='false'" /DEBUG /PDB:"C:\Work\NED\comunity\log.c\src\sample\Debug\sample.pdb" /TLBID:1 /DYNAMICBASE /NXCOMPAT /IMPLIB:"C:\Work\NED\comunity\log.c\src\sample\Debug\sample.lib" /MACHINE:X86 Debug\log.obj
+         Debug\sample.obj
+         sample.vcxproj -> C:\Work\NED\comunity\log.c\src\sample\Debug\sample.exe
+       Manifest:
+         C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\bin\mt.exe /nologo /verbose /outputresource:"C:\Work\NED\comunity\log.c\src\sample\Debug\sample.exe;#1" /manifest Debug\sample.exe.intermediate.manifest
+       FinalizeBuildStatus:
+         Deleting file "Debug\sample.unsuccessfulbuild".
+         Touching "Debug\sample.lastbuildstate".
+     1>Done Building Project "C:\Work\NED\comunity\log.c\src\sample\sample\sample.vcxproj" (build target(s)).
+
+Build succeeded.
+
+Time Elapsed 00:00:02.06
diff --git a/sample c++/sample/sample/Debug/sample.obj b/sample c++/sample/sample/Debug/sample.obj
new file mode 100644
index 0000000..623d868
Binary files /dev/null and b/sample c++/sample/sample/Debug/sample.obj differ
diff --git a/sample c++/sample/sample/Debug/sample.write.1.tlog b/sample c++/sample/sample/Debug/sample.write.1.tlog
new file mode 100644
index 0000000..e69de29
diff --git a/sample c++/sample/sample/Debug/vc100.idb b/sample c++/sample/sample/Debug/vc100.idb
new file mode 100644
index 0000000..e13787c
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diff --git a/sample c++/sample/sample/Debug/vc100.pdb b/sample c++/sample/sample/Debug/vc100.pdb
new file mode 100644
index 0000000..cd0b0b2
Binary files /dev/null and b/sample c++/sample/sample/Debug/vc100.pdb differ
diff --git a/sample c++/sample/sample/log.bin b/sample c++/sample/sample/log.bin
new file mode 100644
index 0000000..7757dc0
--- /dev/null
+++ b/sample c++/sample/sample/log.bin	
@@ -0,0 +1,6 @@
+2019-05-25 16:01:19 TRACE c:\work\ned\comunity\log.c\src\sample\sample\sample.cpp:10: hello world
+2019-05-25 16:01:19 DEBUG c:\work\ned\comunity\log.c\src\sample\sample\sample.cpp:11: this is a debug message
+2019-05-25 16:01:19 INFO  c:\work\ned\comunity\log.c\src\sample\sample\sample.cpp:12: passing information
+2019-05-25 16:01:19 WARN  c:\work\ned\comunity\log.c\src\sample\sample\sample.cpp:13: this is a warning message
+2019-05-25 16:01:19 ERROR c:\work\ned\comunity\log.c\src\sample\sample\sample.cpp:14: this is an error message
+2019-05-25 16:01:19 FATAL c:\work\ned\comunity\log.c\src\sample\sample\sample.cpp:15: this is a fatal message
diff --git a/sample c++/sample/sample/sample.cpp b/sample c++/sample/sample/sample.cpp
new file mode 100644
index 0000000..44ce8cc
--- /dev/null
+++ b/sample c++/sample/sample/sample.cpp	
@@ -0,0 +1,19 @@
+#include<stdio.h>
+#include<conio.h>
+#include"..\..\log.h"
+
+void main(void)
+{
+	//if you want to save logs in a file
+	FILE *fp;
+	fp = fopen("log.bin","wb+");
+	log_set_fp(fp);
+	//sample log messages
+	log_trace("hello %s", "world");
+	log_debug("this is a debug message");
+	log_info("passing information");
+	log_warn("this is a warning message");
+	log_error("this is an error message");
+	log_fatal("this is a fatal message");
+	getch();
+}
\ No newline at end of file
diff --git a/sample c++/sample/sample/sample.vcxproj b/sample c++/sample/sample/sample.vcxproj
new file mode 100644
index 0000000..cc4fdcc
--- /dev/null
+++ b/sample c++/sample/sample/sample.vcxproj	
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{2FA17684-60FD-4936-A07F-C7C551CB5521}</ProjectGuid>
+    <RootNamespace>sample</RootNamespace>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup />
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\log.cpp" />
+    <ClCompile Include="sample.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\log.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git a/sample c++/sample/sample/sample.vcxproj.filters b/sample c++/sample/sample/sample.vcxproj.filters
new file mode 100644
index 0000000..68695a3
--- /dev/null
+++ b/sample c++/sample/sample/sample.vcxproj.filters	
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="sample.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\log.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\log.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/sample c++/sample/sample/sample.vcxproj.user b/sample c++/sample/sample/sample.vcxproj.user
new file mode 100644
index 0000000..ace9a86
--- /dev/null
+++ b/sample c++/sample/sample/sample.vcxproj.user	
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+</Project>
\ No newline at end of file