C # simple RSS reader

C # simple RSS reader. The modification was completed by the VB version. Thank you for your technical support!


Source code:
Using System;

Using System. Drawing;

Using System. Collections;

Using System. ComponentModel;

Using System. Windows. Forms;

Using System. Data;

Using System. Xml;

Using System. IO;

Using System. Threading;

Namespace YuLRSSReader

{

/// <Summary>

/// Summary of Form1.

/// </Summary>

Public class Form1: System. Windows. Forms. Form

{

Private System. Windows. Forms. Label label1;

Private System. Windows. Forms. Label label2;

Private System. Windows. Forms. Label label3;

Private System. Windows. Forms. TextBox textBox1;

Private System. Windows. Forms. Button button1;

Private System. Windows. Forms. Label BlogName;

Private System. Windows. Forms. Label BlogDescription;

Private System. Windows. Forms. ListBox listBox1;

Private System. Windows. Forms. StatusBar statusBar1;

Private AxSHDocVw. AxWebBrowser axWebBrowser1;

/// <Summary>

/// Required designer variables.

/// </Summary>

Private System. ComponentModel. Container components = null;

Public Form1 ()

{

//

// Required for Windows Form Designer support

//

InitializeComponent ();

//

// TODO: add Any constructor code after InitializeComponent calls

//

}

/// <Summary>

/// Clear all resources in use.

/// </Summary>

Protected override void Dispose (bool disposing)

{

If (disposing)

{

If (components! = Null)

{

Components. Dispose ();

}

}

Base. Dispose (disposing );

}

# Region code generated by Windows Form Designer

/// <Summary>

/// The designer supports the required methods-do not use the code editor to modify

/// Content of this method.

/// </Summary>

Private void InitializeComponent ()

{


System. Resources. ResourceManager resources = new
System. Resources. ResourceManager (typeof (Form1 ));

This. label1 = new System. Windows. Forms. Label ();

This. label2 = new System. Windows. Forms. Label ();

This. label3 = new System. Windows. Forms. Label ();

This. textBox1 = new System. Windows. Forms. TextBox ();

This. button1 = new System. Windows. Forms. Button ();

This. BlogName = new System. Windows. Forms. Label ();

This. BlogDescription = new System. Windows. Forms. Label ();

This. listBox1 = new System. Windows. Forms. ListBox ();

This. statusBar1 = new System. Windows. Forms. StatusBar ();

This. axWebBrowser1 = new AxSHDocVw. AxWebBrowser ();


(System. ComponentModel. ISupportInitialize) (this. axWebBrowser1). BeginInit ();

This. SuspendLayout ();

//

// Label1

//

This. label1.Location = new System. Drawing. Point (8, 8 );

This. label1.Name = "label1 ";

This. label1.Size = new System. Drawing. Size (64, 23 );

This. label1.TabIndex = 0;

This. label1.Text = "RSS address :";

//

// Label2

//

This. label2.Location = new System. Drawing. Point (8, 40 );

This. label2.Name = "label2 ";

This. label2.Size = new System. Drawing. Size (64, 23 );

This. label2.TabIndex = 1;

This. label2.Text = "BLOG :";

//

// Label3

//

This. label3.Location = new System. Drawing. Point (8, 72 );

This. label3.Name = "label3 ";

This. label3.Size = new System. Drawing. Size (64, 23 );

This. label3.TabIndex = 2;

This. label3.Text = "Description :";

//

// TextBox1

//

This. textBox1.Location = new System. Drawing. Point (72, 8 );

This. textBox1.Name = "textBox1 ";

This. textBox1.Size = new System. Drawing. Size (392, 21 );

This. textBox1.TabIndex = 3;

This. textBox1.Text = "";

//

// Button1

//

This. button1.Location = new System. Drawing. Point (472, 16 );

This. button1.Name = "button1 ";

This. button1.Size = new System. Drawing. Size (80, 64 );

This. button1.TabIndex = 4;

This. button1.Text = "read ";

This. button1.Click + = new System. EventHandler (this. button#click );

//

// BlogName

//

This. BlogName. Location = new System. Drawing. Point (72, 40 );

This. BlogName. Name = "BlogName ";

This. BlogName. Size = new System. Drawing. Size (392, 23 );

This. BlogName. TabIndex = 5;

//

// BlogDescription

//

This. BlogDescription. Location = new System. Drawing. Point (72, 72 );

This. BlogDescription. Name = "BlogDescription ";

This. BlogDescription. Size = new System. Drawing. Size (392, 23 );

This. BlogDescription. TabIndex = 6;

//

// ListBox1

//

This. listBox1.ItemHeight = 12;

This. listBox1.Location = new System. Drawing. Point (0,104 );

This. listBox1.Name = "listBox1 ";

This. listBox1.Size = new System. Drawing. Size (560,112 );

This. listBox1.TabIndex = 7;


This. listBox1.SelectedIndexChanged + = new
System. EventHandler (this. listbox#selectedindexchanged );

//

// StatusBar1

//

This. statusBar1.Location = new System. Drawing. Point (0,591 );

This. statusBar1.Name = "statusBar1 ";

This. statusBar1.Size = new System. Drawing. Size (562, 22 );

This. statusBar1.TabIndex = 8;

//

// AxWebBrowser1

//

This. axWebBrowser1.Dock = System. Windows. Forms. DockStyle. Bottom;

This. axWebBrowser1.Enabled = true;

This. axWebBrowser1.Location = new System. Drawing. Point (0,223 );


This. axWebBrowser1.OcxState =
(System. Windows. Forms. AxHost. State) (resources. GetObject ("axWebBrowser1.OcxState ")));

This. axWebBrowser1.Size = new System. Drawing. Size (562,368 );

This. axWebBrowser1.TabIndex = 9;

//

// Form1

//

This. AutoScaleBaseSize = new System. Drawing. Size (6, 14 );

This. ClientSize = new System. Drawing. Size (562,613 );

This. Controls. Add (this. axWebBrowser1 );

This. Controls. Add (this. statusBar1 );

This. Controls. Add (this. listBox1 );

This. Controls. Add (this. BlogDescription );

This. Controls. Add (this. BlogName );

This. Controls. Add (this. button1 );

This. Controls. Add (this. textBox1 );

This. Controls. Add (this. label3 );

This. Controls. Add (this. label2 );

This. Controls. Add (this. label1 );


This. FormBorderStyle =
System. Windows. Forms. FormBorderStyle. FixedSingle;

This. Name = "Form1 ";


This. StartPosition =
System. Windows. Forms. FormStartPosition. CenterScreen;

This. Text = "YuL \'s RSS Reader ";

This. Load + = new System. EventHandler (this. form#load );


(System. ComponentModel. ISupportInitialize) (this. axWebBrowser1). EndInit ();

This. ResumeLayout (false );

}

# Endregion

/// <Summary>

/// Main entry point of the application.

/// </Summary>

[STAThread]

Static void Main ()

{

Application. Run (new Form1 ());

}

Private void Form1_Load (object sender, System. EventArgs e)

{

This. axWebBrowser1.Width = this. Width;

This. statusBar1.Text = "ready ";

}

Private Thread thread;

Private string fileFullPath = Application. StartupPath + "~ Tempdoc. xml ";

Private void LoadRss ()

{

This. statusBar1.Text = "reading" + this. textBox1.Text + "and verifying... ";

This. LoadXml2Coach (this. textBox1.Text );

This. statusBar1.Text = "reading BLOG information... ";

This. LoadTitle ();

This. statusBar1.Text = "reading RSS content... ";

This. LoadItem ();

This. statusBar1.Text = "finished ";

}

Private void LoadXml2Coach (String url)

{

XmlDocument doc = new XmlDocument ();

Doc. Load (url );

Doc. Save (this. fileFullPath );

}

Private void LoadTitle ()

{

XmlDocument doc = new XmlDocument ();

Doc. Load (this. fileFullPath );

XmlNodeList nodeList;

NodeList = doc. SelectNodes ("/rss/channel ");

This. BlogName. Text = nodeList [0]. SelectSingleNode ("title"). InnerText;


This. BlogDescription. Text =
NodeList [0]. SelectSingleNode ("description"). InnerText;

}

Private void LoadItem ()

{

XmlDocument doc = new XmlDocument ();

Doc. Load (this. fileFullPath );

XmlNodeList nodeList;

NodeList = doc. SelectNodes ("/rss/channel/item ");

This. listBox1.Items. Clear ();

XmlNamespaceManager ns = new XmlNamespaceManager (doc. NameTable );

Ns. AddNamespace ("dc", "http://purl.org/dc/elements/1.1 ");

Try

{

For (int I = 0; I <nodeList. Count; I ++)

{


This. listBox1.Items. Add ("[" +
NodeList [I]. SelectSingleNode ("dc: creator", ns). InnerText + "]" +
NodeList [I]. SelectSingleNode ("title"). InnerText );

}

}

Catch (Exception ex)

{

MessageBox. Show (ex. ToString ());

}

}

Private void LoadHtml ()

{

XmlDocument doc = new XmlDocument ();

Doc. Load (this. fileFullPath );

XmlNodeList nodeList;

NodeList = doc. SelectNodes ("/rss/channel/item ");

Bool flag;

String temp = "";

String content = "";

This. statusBar1.Text = "reading article content... ";

XmlNamespaceManager ns = new XmlNamespaceManager (doc. NameTable );

Ns. AddNamespace ("dc", "http://purl.org/dc/elements/1.1 ");

For (int I = 0; I <nodeList. Count; I ++)

{


Temp = "[" +
NodeList [I]. SelectSingleNode ("dc: creator", ns). InnerText + "]" +
NodeList [I]. SelectSingleNode ("title"). InnerText;



If (this. listBox1.SelectedItem. ToString (). Equals (temp ))

{


Content = content +
"<Html> Content = 'text/html; charset = UTF-8 '>

Content = content + "<table
Width = '000000' height = '80'
Bgcolor = '# eeeeee'> <tr> <td> <B> title: </B> <
Href = '";


Content = content +
NodeList [I]. SelectSingleNode ("link"). InnerText;


Content = content + "'
Target = '_ blank'> ";


Content = content +
NodeList [I]. SelectSingleNode ("title"). InnerText;


Content = content +
"</A> <br> <B> author: </B> ";


Content = content +
NodeList [I]. SelectSingleNode ("dc: creator", ns). InnerText;


Content = content +
"</Tb> </tr> </table> ";


Content = content +
NodeList [I]. SelectSingleNode ("description"). InnerText;


Content = content +
"</Body>

Flag =
SaveTextFile (Application. StartupPath + "~ Temp.html ", content );



Object flags = 0;


Object targetFrame =
String. Empty;

Object postData = String. Empty;

Object headers = String. Empty;



This. axWebBrowser1.Navigate (Application. StartupPath + "~ Temp.html ", ref
Flags, ref targetFrame, ref postData, ref headers );

Break;

}

}

This. statusBar1.Text = "finished ";

}

Private bool SaveTextFile (string filePath, string fileContent)

{

System. IO. StreamWriter sw = null;

Try

{

Sw = new StreamWriter (filePath, false );

Sw. Write (fileContent );

Return true;

}

Catch (Exception ex)

{

MessageBox. Show (ex. ToString ());

Return false;

}

Finally

{

If (sw! = Null)

Sw. Close ();

}

}

Private void button#click (object sender, System. EventArgs e)

{

Try

{


This. thread = new Thread (new
ThreadStart (this. LoadRss ));

This. thread. Start ();

}

Catch (Exception ex)

{

MessageBox. Show (ex. ToString ());

}

}

Private void listBox1_SelectedIndexChanged (object sender, System. EventArgs e)

{

Try

{


This. thread = new Thread (new
ThreadStart (this. LoadHtml ));

This. thread. Start ();

}

Catch (Exception ex)

{

MessageBox. Show (ex. ToString ());

}

}

}

}