diff --git a/Gtkmm3/cfgfile/cfgfile.cc b/Gtkmm3/cfgfile/cfgfile.cc
new file mode 100644
index 0000000..49fcb68
--- /dev/null
+++ b/Gtkmm3/cfgfile/cfgfile.cc
@@ -0,0 +1,70 @@
+// A Test to read Config files
+// This is a modified version
+// The Config File Should be a text file 
+// and the content as follows
+// key=value
+
+#include "cfgfile.hh"
+
+static void Trim(std::string &str){
+    if(str.empty()){//String is empty
+        return;
+    }
+
+    size_t i,start_pos,end_pos;
+
+    for(i=0;i<str.size();i++){//Get Start Position
+        if(!isspace(str[i])){
+            break;
+        }
+    }
+
+    if(i==str.size()){//Only Space and Tabs in string
+        return;
+    }
+
+    start_pos=i;
+
+    for(i=str.size()-1;i>=0;i--){//Get End Position
+        if(!isspace(str[i])){
+            break;
+        }
+    }
+
+    end_pos=i;
+
+    str=str.substr(start_pos,end_pos+1);
+}
+
+bool readCfgFile(const char * cfgfilePath,const std::string &key,std::string &value){
+    //Open The Config File
+    std::fstream cfgfile;
+    cfgfile.open(cfgfilePath);
+    if(!cfgfile.is_open()){
+        std::cout<<"Failed to open the file!"<<std::endl;
+        return false;
+    }
+
+    //Read each line of config file and get value
+    char tmp[1000];
+    while(!cfgfile.eof()){
+        cfgfile.getline(tmp,1000);
+        std::string line(tmp);
+        std::size_t pos = line.find('=');//Get the position of '='
+
+        if(pos == std::string::npos){
+            continue;
+        }
+
+        std::string tmpkey=line.substr(0,pos);
+        if(tmpkey == key){
+            value=line.substr(pos+1);
+            Trim(value);
+            cfgfile.close();
+            return true;
+        }
+    }
+
+    cfgfile.close();
+    return false;
+}
diff --git a/Gtkmm3/cfgfile/cfgfile.hh b/Gtkmm3/cfgfile/cfgfile.hh
new file mode 100644
index 0000000..342bbf3
--- /dev/null
+++ b/Gtkmm3/cfgfile/cfgfile.hh
@@ -0,0 +1,7 @@
+#pragma once
+
+#include <iostream>
+#include <fstream>
+#include <string>
+
+bool readCfgFile(const char * cfgfilePath,const std::string &key,std::string &value);
diff --git a/Gtkmm3/gtk123_backprefs2/CMakeLists.txt b/Gtkmm3/gtk123_backprefs2/CMakeLists.txt
index c55d4aa..1f67ea3 100644
--- a/Gtkmm3/gtk123_backprefs2/CMakeLists.txt
+++ b/Gtkmm3/gtk123_backprefs2/CMakeLists.txt
@@ -20,6 +20,9 @@ pkg_check_modules (GTKMM3 REQUIRED gtkmm-3.0)
 include_directories (${GTKMM3_INCLUDE_DIRS})
 link_directories (${GTKMM3_LIBRARY_DIRS})
 
+#Source files
+set(SOURCE_FILE src/main.cc src/MyWin.cc src/MyPrefs.cc ../cfgfile/cfgfile.cc)
+
 #Compile Resource
 
 set(RESOURCE_LIST
@@ -48,9 +51,9 @@ if(WIN32)
 	set_property(SOURCE ../icon.rc APPEND PROPERTY
         OBJECT_DEPENDS ${PROJECT_SOURCE_DIR}/../icon.ico
         )
-	add_executable(${PROJECT_NAME} WIN32 ${app_WINRC} src/main.cc src/MyWin.cc src/MyPrefs.cc ${RESOURCE_FILE})
+	add_executable(${PROJECT_NAME} WIN32 ${app_WINRC} ${SOURCE_FILE} ${RESOURCE_FILE})
 else()
-	add_executable(${PROJECT_NAME} src/main.cc src/MyWin.cc src/MyPrefs.cc ${RESOURCE_FILE})
+	add_executable(${PROJECT_NAME} ${SOURCE_FILE} ${RESOURCE_FILE})
 
 endif(WIN32)
 
diff --git a/Gtkmm3/gtk123_backprefs2/src/MyPrefs.cc b/Gtkmm3/gtk123_backprefs2/src/MyPrefs.cc
index ca52bec..7ef1329 100644
--- a/Gtkmm3/gtk123_backprefs2/src/MyPrefs.cc
+++ b/Gtkmm3/gtk123_backprefs2/src/MyPrefs.cc
@@ -2,6 +2,7 @@
 #include "winpe.xpm"
 #include "../Gtk4/img7.xpm"
 #include "image_types.hh"
+#include "cfgfile/cfgfile.hh"
 #include <iostream>
 
 MyPrefs::MyPrefs()