1、添加2个自定义控件：chartTC、TreeViewTc； 2、修复了一些bug，完善了功能；3、更新了gitignore，将bin等目录忽略；

mainProgram/SaveAs.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace mainProgram
+{
+    public partial class SaveAsWindow : Form
+    {
+        private string mSource;
+        public SaveAsWindow(string source)
+        {
+            InitializeComponent();
+            mSource = source;
+        }
+
+        private void SelectPathBtn_Click(object sender, EventArgs e)
+        {
+            FolderBrowserDialog dialog = new FolderBrowserDialog();
+            dialog.Description = "请选择文件夹";
+            if (dialog.ShowDialog() == DialogResult.OK)
+            {
+                if (string.IsNullOrEmpty(dialog.SelectedPath))
+                {
+                    MessageBox.Show(this, "文件夹路径不能为空", "提示");
+                    return;
+                }
+                string savePath = dialog.SelectedPath;
+               PathTextBox.Text = savePath;
+
+            }
+        }
+
+        private void CancelBtn_Click(object sender, EventArgs e)
+        {
+            this.DialogResult = DialogResult.Cancel;
+            Close();
+        }
+
+        private void OkBtn_Click(object sender, EventArgs e)
+        {
+            if (!Directory.Exists(PathTextBox.Text))
+            {
+                Directory.CreateDirectory(PathTextBox.Text);
+            }
+
+            CopySubFun(mSource, PathTextBox.Text, true);
+            Close();
+        }
+
+        private void CopySubFun(string sourceName, string destFolderName, bool overwrite)//递归函数  
+        {
+            if (File.Exists(sourceName))//是文件,直接拷贝
+            {
+                string sourceFileName = Path.GetFileName(sourceName);//获取文件名
+                File.Copy(sourceName, Path.Combine(destFolderName, sourceFileName), overwrite);
+            }
+            else if (Directory.Exists(sourceName))//是文件夹,拷贝文件夹;并递归
+            {
+                string[] sourceFolders = sourceName.Split('\\');
+                string lastDirectory = sourceFolders[sourceFolders.Length - 1];
+                string dest = Path.Combine(destFolderName, lastDirectory);
+                Directory.CreateDirectory(dest);
+
+                string[] sourceFilesPath = Directory.GetFileSystemEntries(sourceName);
+                for (int i = 0; i < sourceFilesPath.Length; i++)
+                {
+                    string sourceFilePath = sourceFilesPath[i];
+
+                    CopySubFun(sourceFilePath, dest, overwrite);
+                }
+            }
+        }
+    }
+}