How Do I Return String With Id Special

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How do i return string with ID i want check folder is Exists or not but i use global static string must use internal variable in void what you suggested

C#

namespace vc
{
    public partial class Form1 : Form
    {
      public static string path_program;
        public static string path_program_log;
        public static string path_log;

   private void Form1_Load(object sender, EventArgs e)
        {
            creat_folder_log("//log"); // its promlem
            creat_folder("//image");
        }


      void creat_folder(string name_folder)
        {
            string n = System.IO.Path.GetDirectoryName(Application.ExecutablePath.ToString()).ToString() + name_folder;
            if (Directory.Exists(n) == false)
            {
                System.IO.Directory.CreateDirectory(n);
            }
            path_program = n;
        }

   void creat_folder_log(string name_folder)
        {
            string n = System.IO.Path.GetDirectoryName(Application.ExecutablePath.ToString()).ToString() + name_folder;
            if (Directory.Exists(n) == false)
            {
                System.IO.Directory.CreateDirectory(n);
            }
            path_program_log = n;
        }
    }
}

Posted 16-Oct-14 0:10am

majid torfi

Updated 16-Oct-14 0:13am

v2

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2 solutions

Solution 1

Try this;

C#

namespace vc
{
    public partial class Form1 : Form
    {
        public string path_program;
        public string path_program_log;
        public string path_log;

   private void Form1_Load(object sender, EventArgs e)
        {
            path_program = creat_folder_log("//log"); // its promlem
            path_program_log = creat_folder("//image");
        }


      string creat_folder(string name_folder)
        {
            string n = System.IO.Path.GetDirectoryName(Application.ExecutablePath.ToString()).ToString() + name_folder;
            if (Directory.Exists(n) == false)
            {
                System.IO.Directory.CreateDirectory(n);
            }
            return n;
        }

   string creat_folder_log(string name_folder)
        {
            string n = System.IO.Path.GetDirectoryName(Application.ExecutablePath.ToString()).ToString() + name_folder;
            if (Directory.Exists(n) == false)
            {
                System.IO.Directory.CreateDirectory(n);
            }
            return n;
        }
    }
}

Hope this helps,
Fredrik

Posted 16-Oct-14 0:43am

Fredrik Bornander

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George Jonsson · Accepted Answer · 2014-10-16T01:29:00

An alternative solution could be this.

C#

using System.IO;

namespace vc
{
    public partial class Form1 : Form
    {
        // The use of properties instead of fields encapsulates the data
        // the private set means that the property can't be changed outside the class
        public string path_program { get; private set; }
        public string path_program_log { get; private set; }
        public string path_log { get; private set; }
        
        private void Form1_Load(object sender, EventArgs e)
        {
            // By using Path.Combine inside create_folder the need
            // of slashes in the parameter is eliminated
            path_program = create_folder("log");
            path_program_log = create_folder("image");
        }
        
        // Only one method is necessary as you have the folder name as a parameter
        private string create_folder(string name_folder)
        {
            string n = Path.Combine(
                Path.GetDirectoryName(Application.ExecutablePath), 
                name_folder));
            if (!Directory.Exists(n))    // Using the ! (not) operator
            {
                Directory.CreateDirectory(n);
            }
            return n;
        }
        
    }
}