C# 操作文件夹、文件
Form
namespace FileProperties
{
public partial class Form1 : Form
{
private string currentFolderPath; public Form1()
{
InitializeComponent();
} protected void ClearAllFields()
{
listBoxFolders.Items.Clear();
listBoxFiles.Items.Clear();
textBoxFolder.Text = "";
textBoxFolder.Text = "";
textBoxFileName.Text = "";
textBoxCreationTime.Text = "";
textBoxLastAccessTime.Text = "";
textBoxLastWriteTime.Text = "";
textBoxFileSize.Text = "";
} protected void DisplayFileInfo(string fileFullName)
{
FileInfo theFile = new FileInfo(fileFullName);
if (!theFile.Exists)
throw new FileNotFoundException("File not found: " + fileFullName);
textBoxFileName.Text = theFile.Name;
textBoxCreationTime.Text = theFile.CreationTime.ToLongTimeString();
textBoxLastAccessTime.Text = theFile.LastAccessTime.ToLongDateString();
textBoxLastWriteTime.Text = theFile.LastWriteTime.ToLongDateString();
textBoxFileSize.Text = theFile.Length + " bytes"; // enable move, copy, delete buttons
textBoxNewPath.Text = theFile.FullName;
textBoxNewPath.Enabled = true;
buttonCopyTo.Enabled = true;
buttonDelete.Enabled = true;
buttonMoveTo.Enabled = true;
} protected void DisplayFolderList(string folderFullName)
{
DirectoryInfo theFolder = new DirectoryInfo(folderFullName);
if (!theFolder.Exists)
throw new DirectoryNotFoundException("Folder not found: "
+ folderFullName);
ClearAllFields();
DisableMoveFeatures();
textBoxFolder.Text = theFolder.FullName;
currentFolderPath = theFolder.FullName; // list all subfolders in folder foreach (DirectoryInfo nextFolder in theFolder.GetDirectories())
listBoxFolders.Items.Add(nextFolder.Name); // list all files in folder foreach (FileInfo nextFile in theFolder.GetFiles())
listBoxFiles.Items.Add(nextFile.Name);
} protected void OnDisplayButtonClick(object sender, EventArgs e)
{
try
{
string folderPath = textBoxInput.Text;
DirectoryInfo theFolder = new DirectoryInfo(folderPath);
if (theFolder.Exists)
{
DisplayFolderList(theFolder.FullName);
return;
}
FileInfo theFile = new FileInfo(folderPath);
if (theFile.Exists)
{
DisplayFolderList(theFile.Directory.FullName);
int index = listBoxFiles.Items.IndexOf(theFile.Name);
listBoxFiles.SetSelected(index, true);
return;
}
throw new FileNotFoundException("There is no file or folder with "
+ "this name: " + textBoxInput.Text);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
} void DisableMoveFeatures()
{
textBoxNewPath.Text = "";
textBoxNewPath.Enabled = false;
buttonCopyTo.Enabled = false;
buttonDelete.Enabled = false;
buttonMoveTo.Enabled = false;
} protected void OnListBoxFilesSelected(object sender, EventArgs e)
{
try
{
string selectedString = listBoxFiles.SelectedItem.ToString();
string fullFileName = Path.Combine(currentFolderPath, selectedString);
DisplayFileInfo(fullFileName);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
} protected void OnListBoxFoldersSelected(object sender, EventArgs e)
{
try
{
string selectedString = listBoxFolders.SelectedItem.ToString();
string fullPathName = Path.Combine(currentFolderPath, selectedString);
DisplayFolderList(fullPathName);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
} protected void OnUpButtonClick(object sender, EventArgs e)
{
try
{
string folderPath = new FileInfo(currentFolderPath).DirectoryName;
DisplayFolderList(folderPath);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
} protected void OnDeleteButtonClick(object sender, EventArgs e)
{
try
{
string filePath = Path.Combine(currentFolderPath,
textBoxFileName.Text);
string query = "Really delete the file\n" + filePath + "?";
if (MessageBox.Show(query,
"Delete File?", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
File.Delete(filePath);
DisplayFolderList(currentFolderPath);
}
}
catch (Exception ex)
{
MessageBox.Show("Unable to delete file. The following exception"
+ " occurred:\n" + ex.Message, "Failed");
}
} protected void OnMoveButtonClick(object sender, EventArgs e)
{
try
{
string filePath = Path.Combine(currentFolderPath,
textBoxFileName.Text);
string query = "Really move the file\n" + filePath + "\nto "
+ textBoxNewPath.Text + "?";
if (MessageBox.Show(query,
"Move File?", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
File.Move(filePath, textBoxNewPath.Text);
DisplayFolderList(currentFolderPath);
}
}
catch (Exception ex)
{
MessageBox.Show("Unable to move file. The following exception"
+ " occurred:\n" + ex.Message, "Failed");
}
}
protected void OnCopyButtonClick(object sender, EventArgs e)
{
try
{
string filePath = Path.Combine(currentFolderPath,
textBoxFileName.Text);
string query = "Really copy the file\n" + filePath + "\nto "
+ textBoxNewPath.Text + "?";
if (MessageBox.Show(query,
"Copy File?", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
File.Copy(filePath, textBoxNewPath.Text);
DisplayFolderList(currentFolderPath);
}
}
catch (Exception ex)
{
MessageBox.Show("Unable to copy file. The following exception"
+ " occurred:\n" + ex.Message, "Failed");
}
}
}
}
Designer
namespace FileProperties
{ partial class Form1
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null; /// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (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.groupBox5 = new System.Windows.Forms.GroupBox();
this.label14 = new System.Windows.Forms.Label();
this.textBoxNewPath = new System.Windows.Forms.TextBox();
this.buttonDelete = new System.Windows.Forms.Button();
this.buttonCopyTo = new System.Windows.Forms.Button();
this.buttonMoveTo = new System.Windows.Forms.Button();
this.label3 = new System.Windows.Forms.Label();
this.textBoxLastAccessTime = new System.Windows.Forms.TextBox();
this.textBoxLastWriteTime = new System.Windows.Forms.TextBox();
this.label6 = new System.Windows.Forms.Label();
this.label1 = new System.Windows.Forms.Label();
this.label5 = new System.Windows.Forms.Label();
this.textBoxCreationTime = new System.Windows.Forms.TextBox();
this.textBoxFileSize = new System.Windows.Forms.TextBox();
this.label7 = new System.Windows.Forms.Label();
this.label8 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.buttonDisplay = new System.Windows.Forms.Button();
this.textBoxFolder = new System.Windows.Forms.TextBox();
this.buttonUp = new System.Windows.Forms.Button();
this.textBoxInput = new System.Windows.Forms.TextBox();
this.textBoxFileName = new System.Windows.Forms.TextBox();
this.groupBox2 = new System.Windows.Forms.GroupBox();
this.listBoxFiles = new System.Windows.Forms.ListBox();
this.listBoxFolders = new System.Windows.Forms.ListBox();
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.groupBox5.SuspendLayout();
this.groupBox2.SuspendLayout();
this.groupBox1.SuspendLayout();
this.SuspendLayout();
//
// groupBox5
//
this.groupBox5.Controls.Add(this.label14);
this.groupBox5.Controls.Add(this.textBoxNewPath);
this.groupBox5.Controls.Add(this.buttonDelete);
this.groupBox5.Controls.Add(this.buttonCopyTo);
this.groupBox5.Controls.Add(this.buttonMoveTo);
this.groupBox5.Location = new System.Drawing.Point(, );
this.groupBox5.Name = "groupBox5";
this.groupBox5.Size = new System.Drawing.Size(, );
this.groupBox5.TabIndex = ;
this.groupBox5.TabStop = false;
this.groupBox5.Text = "Move, Delete or Copy File";
//
// label14
//
this.label14.Location = new System.Drawing.Point(, );
this.label14.Name = "label14";
this.label14.Size = new System.Drawing.Size(, );
this.label14.TabIndex = ;
this.label14.Text = "New Location";
//
// textBoxNewPath
//
this.textBoxNewPath.Location = new System.Drawing.Point(, );
this.textBoxNewPath.Name = "textBoxNewPath";
this.textBoxNewPath.Size = new System.Drawing.Size(, );
this.textBoxNewPath.TabIndex = ;
//
// buttonDelete
//
this.buttonDelete.Location = new System.Drawing.Point(, );
this.buttonDelete.Name = "buttonDelete";
this.buttonDelete.Size = new System.Drawing.Size(, );
this.buttonDelete.TabIndex = ;
this.buttonDelete.Text = "Delete";
this.buttonDelete.Click += new System.EventHandler(this.OnDeleteButtonClick);
//
// buttonCopyTo
//
this.buttonCopyTo.Location = new System.Drawing.Point(, );
this.buttonCopyTo.Name = "buttonCopyTo";
this.buttonCopyTo.Size = new System.Drawing.Size(, );
this.buttonCopyTo.TabIndex = ;
this.buttonCopyTo.Text = "Copy To";
this.buttonCopyTo.Click += new System.EventHandler(this.OnCopyButtonClick);
//
// buttonMoveTo
//
this.buttonMoveTo.Location = new System.Drawing.Point(, );
this.buttonMoveTo.Name = "buttonMoveTo";
this.buttonMoveTo.Size = new System.Drawing.Size(, );
this.buttonMoveTo.TabIndex = ;
this.buttonMoveTo.Text = "Move To";
this.buttonMoveTo.Click += new System.EventHandler(this.OnMoveButtonClick);
//
// label3
//
this.label3.Location = new System.Drawing.Point(, );
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(, );
this.label3.TabIndex = ;
this.label3.Text = "Creation time";
//
// textBoxLastAccessTime
//
this.textBoxLastAccessTime.Enabled = false;
this.textBoxLastAccessTime.Location = new System.Drawing.Point(, );
this.textBoxLastAccessTime.Name = "textBoxLastAccessTime";
this.textBoxLastAccessTime.Size = new System.Drawing.Size(, );
this.textBoxLastAccessTime.TabIndex = ;
//
// textBoxLastWriteTime
//
this.textBoxLastWriteTime.Enabled = false;
this.textBoxLastWriteTime.Location = new System.Drawing.Point(, );
this.textBoxLastWriteTime.Name = "textBoxLastWriteTime";
this.textBoxLastWriteTime.Size = new System.Drawing.Size(, );
this.textBoxLastWriteTime.TabIndex = ;
//
// label6
//
this.label6.Location = new System.Drawing.Point(, );
this.label6.Name = "label6";
this.label6.Size = new System.Drawing.Size(, );
this.label6.TabIndex = ;
this.label6.Text = "Last modification time";
//
// label1
//
this.label1.Location = new System.Drawing.Point(, );
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(, );
this.label1.TabIndex = ;
this.label1.Text = "Enter name of folder to be examined and click Display";
//
// label5
//
this.label5.Location = new System.Drawing.Point(, );
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(, );
this.label5.TabIndex = ;
this.label5.Text = "Last access time";
//
// textBoxCreationTime
//
this.textBoxCreationTime.Enabled = false;
this.textBoxCreationTime.Location = new System.Drawing.Point(, );
this.textBoxCreationTime.Name = "textBoxCreationTime";
this.textBoxCreationTime.Size = new System.Drawing.Size(, );
this.textBoxCreationTime.TabIndex = ;
//
// textBoxFileSize
//
this.textBoxFileSize.Enabled = false;
this.textBoxFileSize.Location = new System.Drawing.Point(, );
this.textBoxFileSize.Name = "textBoxFileSize";
this.textBoxFileSize.Size = new System.Drawing.Size(, );
this.textBoxFileSize.TabIndex = ;
//
// label7
//
this.label7.Location = new System.Drawing.Point(, );
this.label7.Name = "label7";
this.label7.Size = new System.Drawing.Size(, );
this.label7.TabIndex = ;
this.label7.Text = "File Size";
//
// label8
//
this.label8.Location = new System.Drawing.Point(, );
this.label8.Name = "label8";
this.label8.Size = new System.Drawing.Size(, );
this.label8.TabIndex = ;
this.label8.Text = "Folders";
//
// label2
//
this.label2.Location = new System.Drawing.Point(, );
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(, );
this.label2.TabIndex = ;
this.label2.Text = "Files";
//
// label4
//
this.label4.Location = new System.Drawing.Point(, );
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(, );
this.label4.TabIndex = ;
this.label4.Text = "File name";
//
// buttonDisplay
//
this.buttonDisplay.Location = new System.Drawing.Point(, );
this.buttonDisplay.Name = "buttonDisplay";
this.buttonDisplay.Size = new System.Drawing.Size(, );
this.buttonDisplay.TabIndex = ;
this.buttonDisplay.Text = "Display";
this.buttonDisplay.Click += new System.EventHandler(this.OnDisplayButtonClick);
//
// textBoxFolder
//
this.textBoxFolder.Enabled = false;
this.textBoxFolder.Location = new System.Drawing.Point(, );
this.textBoxFolder.Name = "textBoxFolder";
this.textBoxFolder.Size = new System.Drawing.Size(, );
this.textBoxFolder.TabIndex = ;
//
// buttonUp
//
this.buttonUp.Location = new System.Drawing.Point(, );
this.buttonUp.Name = "buttonUp";
this.buttonUp.Size = new System.Drawing.Size(, );
this.buttonUp.TabIndex = ;
this.buttonUp.Text = "Up";
this.buttonUp.Click += new System.EventHandler(this.OnUpButtonClick);
//
// textBoxInput
//
this.textBoxInput.Location = new System.Drawing.Point(, );
this.textBoxInput.Name = "textBoxInput";
this.textBoxInput.Size = new System.Drawing.Size(, );
this.textBoxInput.TabIndex = ;
//
// textBoxFileName
//
this.textBoxFileName.Enabled = false;
this.textBoxFileName.Location = new System.Drawing.Point(, );
this.textBoxFileName.Name = "textBoxFileName";
this.textBoxFileName.Size = new System.Drawing.Size(, );
this.textBoxFileName.TabIndex = ;
//
// groupBox2
//
this.groupBox2.Controls.Add(this.textBoxLastAccessTime);
this.groupBox2.Controls.Add(this.textBoxCreationTime);
this.groupBox2.Controls.Add(this.textBoxLastWriteTime);
this.groupBox2.Location = new System.Drawing.Point(, );
this.groupBox2.Name = "groupBox2";
this.groupBox2.Size = new System.Drawing.Size(, );
this.groupBox2.TabIndex = ;
this.groupBox2.TabStop = false;
this.groupBox2.Text = "Details of Selected File";
//
// listBoxFiles
//
this.listBoxFiles.Location = new System.Drawing.Point(, );
this.listBoxFiles.Name = "listBoxFiles";
this.listBoxFiles.Size = new System.Drawing.Size(, );
this.listBoxFiles.TabIndex = ;
this.listBoxFiles.SelectedIndexChanged += new System.EventHandler(this.OnListBoxFilesSelected);
//
// listBoxFolders
//
this.listBoxFolders.Location = new System.Drawing.Point(, );
this.listBoxFolders.Name = "listBoxFolders";
this.listBoxFolders.Size = new System.Drawing.Size(, );
this.listBoxFolders.TabIndex = ;
this.listBoxFolders.SelectedIndexChanged += new System.EventHandler(this.OnListBoxFoldersSelected);
//
// groupBox1
//
this.groupBox1.Controls.Add(this.groupBox5);
this.groupBox1.Controls.Add(this.label6);
this.groupBox1.Controls.Add(this.label5);
this.groupBox1.Controls.Add(this.label3);
this.groupBox1.Controls.Add(this.textBoxFileSize);
this.groupBox1.Controls.Add(this.label7);
this.groupBox1.Controls.Add(this.textBoxFileName);
this.groupBox1.Controls.Add(this.label4);
this.groupBox1.Controls.Add(this.textBoxFolder);
this.groupBox1.Controls.Add(this.groupBox2);
this.groupBox1.Location = new System.Drawing.Point(, );
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(, );
this.groupBox1.TabIndex = ;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "Contents of folder";
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(, );
this.Controls.Add(this.label1);
this.Controls.Add(this.label8);
this.Controls.Add(this.label2);
this.Controls.Add(this.buttonDisplay);
this.Controls.Add(this.buttonUp);
this.Controls.Add(this.textBoxInput);
this.Controls.Add(this.listBoxFiles);
this.Controls.Add(this.listBoxFolders);
this.Controls.Add(this.groupBox1);
this.Name = "Form1";
this.Text = "FilePropertiesAndMovement Sample";
this.groupBox5.ResumeLayout(false);
this.groupBox5.PerformLayout();
this.groupBox2.ResumeLayout(false);
this.groupBox2.PerformLayout();
this.groupBox1.ResumeLayout(false);
this.groupBox1.PerformLayout();
this.ResumeLayout(false);
this.PerformLayout(); } #endregion private System.Windows.Forms.GroupBox groupBox5;
private System.Windows.Forms.Label label14;
private System.Windows.Forms.TextBox textBoxNewPath;
private System.Windows.Forms.Button buttonDelete;
private System.Windows.Forms.Button buttonCopyTo;
private System.Windows.Forms.Button buttonMoveTo;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox textBoxLastAccessTime;
private System.Windows.Forms.TextBox textBoxLastWriteTime;
private System.Windows.Forms.Label label6;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.TextBox textBoxCreationTime;
private System.Windows.Forms.TextBox textBoxFileSize;
private System.Windows.Forms.Label label7;
private System.Windows.Forms.Label label8;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.Button buttonDisplay;
private System.Windows.Forms.TextBox textBoxFolder;
private System.Windows.Forms.Button buttonUp;
private System.Windows.Forms.TextBox textBoxInput;
private System.Windows.Forms.TextBox textBoxFileName;
private System.Windows.Forms.GroupBox groupBox2;
private System.Windows.Forms.ListBox listBoxFiles;
private System.Windows.Forms.ListBox listBoxFolders;
private System.Windows.Forms.GroupBox groupBox1; }
}
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