Application simple pour modifier les attributs d'un fichier (date de création, de modification, d'accès)

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Description

Tout est dit dans le titre, c'est une première version donc surement incomplète et à améliorer.

Source / Exemple : 


using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace FilesManager
{
	/* Available actions : modify created, last modified and last accessed dates */
	public enum ACTION : int
	{
		CREATED		= 1,
		MODIFIED	= 2,
		ACCESSED	= 3
	}
	/// <summary>
	/// A simple windows form application to update file attributes
	/// </summary>
	public class FilesManagerUI : System.Windows.Forms.Form
	{
		/* date format used */
		private const string FORMATDATE = "dddd dd MMMM yyyy, hh:mm:ss";
		
		/* all dates used */
		private DateTime dCreated = DateTime.Now;
		private DateTime dAccessed = DateTime.Now;
		private DateTime dModified = DateTime.Now;

		/* file path */
		private string sPath;

		/* action selected by the user */
		private ACTION action;

		private System.Windows.Forms.Label lblAccessed;
		private System.Windows.Forms.Label lblModified;
		private System.Windows.Forms.Label lblCreated;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Label lblModifiedDate;
		private System.Windows.Forms.Label lblAccessedDate;
		private System.Windows.Forms.Label lblCreatedDate;
		private System.Windows.Forms.NumericUpDown Date;
		private System.Windows.Forms.NumericUpDown Month;
		private System.Windows.Forms.NumericUpDown Year;
		private System.Windows.Forms.RadioButton Modified;
		private System.Windows.Forms.RadioButton Accessed;
		private System.Windows.Forms.RadioButton FCreated;
		private System.Windows.Forms.Button bModify;
		private System.Windows.Forms.Button bQuit;
		private System.Windows.Forms.Button bBrowse;
		private System.Windows.Forms.StatusBar statusBar;

		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public FilesManagerUI()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.bBrowse = new System.Windows.Forms.Button();
			this.lblAccessed = new System.Windows.Forms.Label();
			this.lblModified = new System.Windows.Forms.Label();
			this.lblCreated = new System.Windows.Forms.Label();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.lblCreatedDate = new System.Windows.Forms.Label();
			this.lblModifiedDate = new System.Windows.Forms.Label();
			this.lblAccessedDate = new System.Windows.Forms.Label();
			this.Date = new System.Windows.Forms.NumericUpDown();
			this.Month = new System.Windows.Forms.NumericUpDown();
			this.Year = new System.Windows.Forms.NumericUpDown();
			this.Modified = new System.Windows.Forms.RadioButton();
			this.Accessed = new System.Windows.Forms.RadioButton();
			this.FCreated = new System.Windows.Forms.RadioButton();
			this.bModify = new System.Windows.Forms.Button();
			this.bQuit = new System.Windows.Forms.Button();
			this.statusBar = new System.Windows.Forms.StatusBar();
			this.groupBox1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.Date)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.Month)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.Year)).BeginInit();
			this.SuspendLayout();
			// 
			// bBrowse
			// 
			this.bBrowse.Location = new System.Drawing.Point(16, 216);
			this.bBrowse.Name = "bBrowse";
			this.bBrowse.TabIndex = 0;
			this.bBrowse.Text = "&Browse";
			this.bBrowse.Click += new System.EventHandler(this.bBrowse_Click);
			// 
			// lblAccessed
			// 
			this.lblAccessed.Location = new System.Drawing.Point(16, 24);
			this.lblAccessed.Name = "lblAccessed";
			this.lblAccessed.Size = new System.Drawing.Size(64, 23);
			this.lblAccessed.TabIndex = 1;
			this.lblAccessed.Text = "Accessed :";
			// 
			// lblModified
			// 
			this.lblModified.Location = new System.Drawing.Point(16, 56);
			this.lblModified.Name = "lblModified";
			this.lblModified.Size = new System.Drawing.Size(64, 23);
			this.lblModified.TabIndex = 2;
			this.lblModified.Text = "Modified :";
			// 
			// lblCreated
			// 
			this.lblCreated.Location = new System.Drawing.Point(16, 88);
			this.lblCreated.Name = "lblCreated";
			this.lblCreated.Size = new System.Drawing.Size(64, 23);
			this.lblCreated.TabIndex = 3;
			this.lblCreated.Text = "Created :";
			// 
			// groupBox1
			// 
			this.groupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.groupBox1.Controls.Add(this.lblCreatedDate);
			this.groupBox1.Controls.Add(this.lblModifiedDate);
			this.groupBox1.Controls.Add(this.lblAccessedDate);
			this.groupBox1.Controls.Add(this.lblAccessed);
			this.groupBox1.Controls.Add(this.lblCreated);
			this.groupBox1.Controls.Add(this.lblModified);
			this.groupBox1.Location = new System.Drawing.Point(16, 48);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(368, 128);
			this.groupBox1.TabIndex = 4;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "Files Attributes";
			// 
			// lblCreatedDate
			// 
			this.lblCreatedDate.Location = new System.Drawing.Point(96, 88);
			this.lblCreatedDate.Name = "lblCreatedDate";
			this.lblCreatedDate.Size = new System.Drawing.Size(264, 23);
			this.lblCreatedDate.TabIndex = 6;
			// 
			// lblModifiedDate
			// 
			this.lblModifiedDate.Location = new System.Drawing.Point(96, 56);
			this.lblModifiedDate.Name = "lblModifiedDate";
			this.lblModifiedDate.Size = new System.Drawing.Size(264, 23);
			this.lblModifiedDate.TabIndex = 5;
			// 
			// lblAccessedDate
			// 
			this.lblAccessedDate.Location = new System.Drawing.Point(96, 24);
			this.lblAccessedDate.Name = "lblAccessedDate";
			this.lblAccessedDate.Size = new System.Drawing.Size(264, 23);
			this.lblAccessedDate.TabIndex = 4;
			// 
			// Date
			// 
			this.Date.Location = new System.Drawing.Point(16, 184);
			this.Date.Maximum = new System.Decimal(new int[] {
																 31,
																 0,
																 0,
																 0});
			this.Date.Name = "Date";
			this.Date.Size = new System.Drawing.Size(48, 20);
			this.Date.TabIndex = 5;
			// 
			// Month
			// 
			this.Month.Location = new System.Drawing.Point(80, 184);
			this.Month.Maximum = new System.Decimal(new int[] {
																  31,
																  0,
																  0,
																  0});
			this.Month.Name = "Month";
			this.Month.Size = new System.Drawing.Size(48, 20);
			this.Month.TabIndex = 6;
			this.Month.ValueChanged += new System.EventHandler(this.Month_ValueChanged);
			// 
			// Year
			// 
			this.Year.Location = new System.Drawing.Point(144, 184);
			this.Year.Maximum = new System.Decimal(new int[] {
																 2500,
																 0,
																 0,
																 0});
			this.Year.Minimum = new System.Decimal(new int[] {
																 1900,
																 0,
																 0,
																 0});
			this.Year.Name = "Year";
			this.Year.Size = new System.Drawing.Size(48, 20);
			this.Year.TabIndex = 7;
			this.Year.Value = new System.Decimal(new int[] {
															   1900,
															   0,
															   0,
															   0});
			// 
			// Modified
			// 
			this.Modified.Appearance = System.Windows.Forms.Appearance.Button;
			this.Modified.Location = new System.Drawing.Point(128, 8);
			this.Modified.Name = "Modified";
			this.Modified.TabIndex = 9;
			this.Modified.Text = "Modified";
			this.Modified.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			this.Modified.CheckedChanged += new System.EventHandler(this.Type_CheckedChanged);
			// 
			// Accessed
			// 
			this.Accessed.Appearance = System.Windows.Forms.Appearance.Button;
			this.Accessed.Location = new System.Drawing.Point(16, 8);
			this.Accessed.Name = "Accessed";
			this.Accessed.TabIndex = 10;
			this.Accessed.Text = "Accessed";
			this.Accessed.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			this.Accessed.CheckedChanged += new System.EventHandler(this.Type_CheckedChanged);
			// 
			// FCreated
			// 
			this.FCreated.Appearance = System.Windows.Forms.Appearance.Button;
			this.FCreated.Location = new System.Drawing.Point(240, 8);
			this.FCreated.Name = "FCreated";
			this.FCreated.TabIndex = 11;
			this.FCreated.Text = "&Created";
			this.FCreated.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			this.FCreated.CheckedChanged += new System.EventHandler(this.Type_CheckedChanged);
			// 
			// bModify
			// 
			this.bModify.Location = new System.Drawing.Point(104, 216);
			this.bModify.Name = "bModify";
			this.bModify.TabIndex = 12;
			this.bModify.Text = "&Update";
			this.bModify.Click += new System.EventHandler(this.bModify_Click);
			// 
			// bQuit
			// 
			this.bQuit.Location = new System.Drawing.Point(192, 216);
			this.bQuit.Name = "bQuit";
			this.bQuit.TabIndex = 13;
			this.bQuit.Text = "&Quit";
			this.bQuit.Click += new System.EventHandler(this.bQuit_Click);
			// 
			// statusBar
			// 
			this.statusBar.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.statusBar.Location = new System.Drawing.Point(0, 252);
			this.statusBar.Name = "statusBar";
			this.statusBar.Size = new System.Drawing.Size(392, 22);
			this.statusBar.TabIndex = 14;
			// 
			// FilesManagerUI
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(392, 274);
			this.Controls.Add(this.statusBar);
			this.Controls.Add(this.bQuit);
			this.Controls.Add(this.bModify);
			this.Controls.Add(this.FCreated);
			this.Controls.Add(this.Accessed);
			this.Controls.Add(this.Modified);
			this.Controls.Add(this.Year);
			this.Controls.Add(this.Month);
			this.Controls.Add(this.Date);
			this.Controls.Add(this.groupBox1);
			this.Controls.Add(this.bBrowse);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
			this.Name = "FilesManagerUI";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "Files Manager";
			this.Load += new System.EventHandler(this.FilesManagerUI_Load);
			this.groupBox1.ResumeLayout(false);
			((System.ComponentModel.ISupportInitialize)(this.Date)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.Month)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.Year)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new FilesManagerUI());
		}

		private void bBrowse_Click(object sender, System.EventArgs e)
		{
			/* clear all information for the new selected file */
			lblAccessedDate.Text = null;
			lblCreatedDate.Text = null;
			lblModifiedDate.Text = null;

			OpenFileDialog oFileDialog = new OpenFileDialog();
			
			oFileDialog.InitialDirectory = @"C:\";
			oFileDialog.Filter = "All Files (*.*)|*.*"; 
			oFileDialog.RestoreDirectory = true;

			if(oFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
			{
				sPath = oFileDialog.FileName;
			
				statusBar.Text = sPath;

				/* only after the very first file has been choosen */
				Accessed.Enabled = true;
				Modified.Enabled = true;
				FCreated.Enabled = true;
				
				/* return all attributes information */
				GetAllDates();

				if(FCreated.Checked == false)
				{
					FCreated.Checked = true;
				}
				else
				{
					Date.Value = dCreated.Day;
					Month.Value = dCreated.Month;
					Year.Value = dCreated.Year;
				}
			}
		}

		private void FilesManagerUI_Load(object sender, System.EventArgs e)
		{
			FCreated.Checked = true;
			
			if(sPath == "" || sPath == null)
			{
				FCreated.Enabled = false;
				Accessed.Enabled = false;
				Modified.Enabled = false;
			}
		}

		private void Type_CheckedChanged(object sender, System.EventArgs e)
		{
			RadioButton button = (RadioButton)sender;
			
			if(button.Checked)
			{
				switch(button.Name)
				{
					case "FCreated" :
						action = ACTION.CREATED ;
						Date.Value = dCreated.Day;
						Month.Value = dCreated.Month;
						Year.Value = dCreated.Year;
						break;
					case "Modified" :
						action = ACTION.MODIFIED;
						Date.Value = dModified.Day;
						Month.Value = dModified.Month;
						Year.Value = dModified.Year;
						break;
					case "Accessed" :
						action = ACTION.ACCESSED;
						Date.Value = dAccessed.Day;
						Month.Value = dAccessed.Month;
						Year.Value = dAccessed.Year;
						break;
				}
			}
		}

		/* As soon as the month is selected, the max number of days is updated based on the month and year */
		private void Month_ValueChanged(object sender, System.EventArgs e)
		{
			Date.Maximum = DateTime.DaysInMonth(Convert.ToInt32(Year.Value), Convert.ToInt32(Month.Value));
		}

		private void bModify_Click(object sender, System.EventArgs e)
		{
			if(sPath == "" || sPath == null)
			{
				MessageBox.Show("You must choose a file first please.","Failure",MessageBoxButtons.OK, MessageBoxIcon.Information);
				return;
			}
		
			DateTime dNewDate = DateTime.Now;

			switch(action)
			{
				case ACTION.CREATED		:
					dNewDate = new DateTime(Convert.ToInt32(Year.Value),Convert.ToInt32(Month.Value),Convert.ToInt32(Date.Value),dCreated.Hour,dCreated.Minute,dCreated.Second,dCreated.Millisecond);
					break;
				case ACTION.MODIFIED		:
					dNewDate = new DateTime(Convert.ToInt32(Year.Value),Convert.ToInt32(Month.Value),Convert.ToInt32(Date.Value),dModified.Hour,dModified.Minute,dModified.Second,dModified.Millisecond);
					break;
				case ACTION.ACCESSED		:
					dNewDate = new DateTime(Convert.ToInt32(Year.Value),Convert.ToInt32(Month.Value),Convert.ToInt32(Date.Value),dAccessed.Hour,dAccessed.Minute,dAccessed.Second,dAccessed.Millisecond);
					break;
			}
		
			/* we can set any date we want for the creation but we can't 


    			 
  •  set a date older than the creation date for the other cases */

			if(action != ACTION.CREATED)
			{
				if(DateTime.Compare(dNewDate, dCreated) < 0)
				{
					MessageBox.Show("You can't set this attribute" + ((action == ACTION.ACCESSED)? " Accessed" : " Modified ") + 
					" to an earlier datetime than the Created datetime!",
					"Failure",MessageBoxButtons.OK, MessageBoxIcon.Information);
					return;
				}
			}
			else
			{
				if((DateTime.Compare(dNewDate, dModified) > 0)||(DateTime.Compare(dNewDate, dAccessed) > 0))
				{
					MessageBox.Show("You can't set this attribute Created " +
					" to an later datetime than the other datetimes!",
					"Failure",MessageBoxButtons.OK, MessageBoxIcon.Information);
					return;
				}

			}
			/* Attributes update */
			switch(action)
			{ 
				case ACTION.CREATED		:
					System.IO.File.SetCreationTime(sPath, dNewDate);
					break;
				case ACTION.MODIFIED		:
					System.IO.File.SetLastWriteTime(sPath, dNewDate);
					break;
				case ACTION.ACCESSED		:
					System.IO.File.SetLastAccessTime(sPath, dNewDate);
					break;
			}
			
			lblAccessedDate.Text = null;
			lblCreatedDate.Text = null;
			lblModifiedDate.Text = null;
			
			GetAllDates();
		}

		private void bQuit_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void GetAllDates()
		{
			/* string used to display the date */
			string sDate = "";

			/* return all information about the file attributes */
				
			dAccessed = System.IO.File.GetLastAccessTime(sPath);
			sDate = dAccessed.ToString(FORMATDATE);
			lblAccessedDate.Text = lblAccessedDate.Text + sDate;

			dModified = System.IO.File.GetLastWriteTime(sPath);
			sDate = dModified.ToString(FORMATDATE);
			lblModifiedDate.Text = lblModifiedDate.Text + sDate;
				
			dCreated = System.IO.File.GetCreationTime(sPath);
			sDate = dCreated.ToString(FORMATDATE);
			lblCreatedDate.Text = lblCreatedDate.Text + sDate;
		}
	}
}

Conclusion :


Je ferais une mise à jour lors de ma prochaine pause entre deux projets au boulot :) c'est pour passer le temps et apprendre des nouvelles choses !
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