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Heath and Nick:
Thanks very much for your quick and even more importantly, correct, answers. I truly appreciate it!
ab
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Hi all,
I have a program, that is just supposed to open as a server (i.e. listen for connections) and i run it, and it pauses... then i try to move something and the dreaded program not responding error comes up.... I'm new to c# and don't quite understand why this does this. Another side note.. the designer doesnt work now since i added my inner namespace Tito_Network, which handles the networking calls...
here is my code..
<br />
using System;<br />
using System.Drawing;<br />
using System.Collections;<br />
using System.ComponentModel;<br />
using System.Windows.Forms;<br />
using System.Data;<br />
<br />
namespace WindowsApplication4<br />
{<br />
namespace Tito_Network<br />
{<br />
using System;<br />
using System.Text;<br />
using System.Net;<br />
using System.Net.Sockets;<br />
using System.Windows.Forms;<br />
<br />
public class Listen<br />
{<br />
<br />
public Listen(TextBox one, TextBox two) {<br />
IPAddress ip = IPAddress.Parse("127.0.0.1");<br />
TcpListener tcp = new TcpListener(ip,2486);<br />
tcp.Start();<br />
<br />
one.Text +="Server Activated...\n";<br />
<br />
Socket soc_Client = tcp.AcceptSocket();<br />
<br />
try<br />
{<br />
if(soc_Client.Connected)<br />
{<br />
while(true)<br />
{<br />
one.Text +="Client connected from"+soc_Client.AddressFamily;<br />
}<br />
}<br />
}<br />
catch(Exception s)<br />
{<br />
MessageBox.Show(s.ToString());<br />
}<br />
}<br />
}<br />
}<br />
<br />
<br />
<br />
<br />
<br />
public class Form1 : System.Windows.Forms.Form<br />
{<br />
#region Private Form Variables<br />
private System.Windows.Forms.TextBox textBox1;<br />
private System.Windows.Forms.TextBox textBox2;<br />
private System.Windows.Forms.MainMenu mainMenu1;<br />
private System.Windows.Forms.MenuItem menuItem1;<br />
private System.Windows.Forms.MenuItem menuItem2;<br />
private System.Windows.Forms.MenuItem menuItem3;<br />
private System.Windows.Forms.MenuItem menuItem4;<br />
private System.Windows.Forms.MenuItem menuItem5;<br />
private System.ComponentModel.Container components = null;<br />
#endregion <br />
<br />
#region Initialization and Disposal<br />
public Form1()<br />
{<br />
InitializeComponent();<br />
<br />
}<br />
<br />
protected override void Dispose( bool disposing )<br />
{<br />
if( disposing )<br />
{<br />
if (components != null) <br />
{<br />
components.Dispose();<br />
}<br />
}<br />
base.Dispose( disposing );<br />
}<br />
#endregion <br />
<br />
#region Windows Form Designer generated code<br />
private void InitializeComponent()<br />
{<br />
this.textBox1 = new System.Windows.Forms.TextBox();<br />
this.textBox2 = new System.Windows.Forms.TextBox();<br />
this.mainMenu1 = new System.Windows.Forms.MainMenu();<br />
this.menuItem1 = new System.Windows.Forms.MenuItem();<br />
this.menuItem2 = new System.Windows.Forms.MenuItem();<br />
this.menuItem3 = new System.Windows.Forms.MenuItem();<br />
this.menuItem4 = new System.Windows.Forms.MenuItem();<br />
this.menuItem5 = new System.Windows.Forms.MenuItem();<br />
this.SuspendLayout();<br />
this.textBox1.AutoSize = false;<br />
this.textBox1.BackColor = System.Drawing.SystemColors.WindowText;<br />
this.textBox1.ForeColor = System.Drawing.Color.Lime;<br />
this.textBox1.Location = new System.Drawing.Point(16, 184);<br />
this.textBox1.Name = "textBox1";<br />
this.textBox1.ReadOnly = true;<br />
this.textBox1.Size = new System.Drawing.Size(384, 136);<br />
this.textBox1.TabIndex = 0;<br />
this.textBox1.Text = "textBox1";<br />
this.textBox2.AutoSize = false;<br />
this.textBox2.BackColor = System.Drawing.Color.Black;<br />
this.textBox2.ForeColor = System.Drawing.Color.Lime;<br />
this.textBox2.Location = new System.Drawing.Point(472, 184);<br />
this.textBox2.Name = "textBox2";<br />
this.textBox2.ReadOnly = true;<br />
this.textBox2.Size = new System.Drawing.Size(80, 136);<br />
this.textBox2.TabIndex = 1;<br />
this.textBox2.Text = "textBox2";<br />
this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {<br />
this.menuItem1,<br />
this.menuItem3});<br />
this.menuItem1.Index = 0;<br />
this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {<br />
this.menuItem2});<br />
this.menuItem1.Text = "File";<br />
this.menuItem2.Index = 0;<br />
this.menuItem2.Text = "Quit";<br />
this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);<br />
this.menuItem3.Index = 1;<br />
this.menuItem3.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {<br />
this.menuItem4,<br />
this.menuItem5});<br />
this.menuItem3.Text = "Connections";<br />
this.menuItem4.Index = 0;<br />
this.menuItem4.Text = "Obtain Clients";<br />
this.menuItem4.Click += new System.EventHandler(this.menuItem4_Click);<br />
this.menuItem5.Index = 1;<br />
this.menuItem5.Text = "Deactivate Client";<br />
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);<br />
this.ClientSize = new System.Drawing.Size(576, 333);<br />
this.Controls.Add(this.textBox2);<br />
this.Controls.Add(this.textBox1);<br />
this.Menu = this.mainMenu1;<br />
this.Name = "Form1";<br />
this.Text = "Tito v1.0";<br />
this.ResumeLayout(false);<br />
<br />
}<br />
#endregion<br />
<br />
<br />
#region App Main<br />
[STAThread]<br />
static void Main() <br />
{<br />
Application.Run(new Form1());<br />
}<br />
#endregion<br />
<br />
#region Event Handlers<br />
private void menuItem2_Click(object sender, System.EventArgs e)<br />
{<br />
if(MessageBox.Show("Are you sure you want to quit?","Tito v1.0",<br />
MessageBoxButtons.OKCancel,MessageBoxIcon.Warning)== DialogResult.OK)<br />
{<br />
Application.Exit();<br />
}<br />
}<br />
<br />
<br />
private void menuItem4_Click(object sender, System.EventArgs e)<br />
{<br />
Tito_Network.Listen l = new Tito_Network.Listen(textBox1,textBox2);<br />
}<br />
#endregion <br />
<br />
}<br />
}<br />
<br />
<br />
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AcceptSocket is a blocking call. It will stop execution until a connection is received. This is why you should start a new thread (see the Thread or ThreadPool class in the .NET Framework SDK) to listen for connections so that the UI is not affected.
Microsoft MVP, Visual C#
My Articles
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Hi, I posted a thread yesterday about thumbnails that I was trying to create that took my PF usage up to an entire gig, well Nick Parker solved my problem, Thanks man.
However, now that that is solved I want to speed up the thumbnails. It takes about 30 seconds to get 64, 5 megapixel pictures resized to be 100,100. The code I'm using is as follows:
Image.GetThumbnailImageAbort myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback);
Bitmap TemporaryBitmap = new Bitmap(ImageFileNames[a]);
ListOfImages.Images.Add(tempBitmap.GetThumbnailImage(100,100,myCallback,IntPtr.Zero));
tempBitmap.Dispose();
TemporaryFilePaths.Add(temps[a]);
It's continually looped to get each picture in the folder and adds them to a List View. Any idea's how I can speed up the time because this will eventually be reading of off flash cards and that'll take even longer. Any help would be greatly appreciated thanks.
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Does specifying the image size of 100, 100 in the TemporyBitmap constructor help?
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No it doesn't, that had been my origonal plan but it did the same thing. There's definitely a way because I've tested several programs and they were able to do it in a matter of seconds. Plus windows is able to create the thumbnails quickly too. I think there has to be some other command that I'm missing.
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Another thought, again untested!
Does using the Image class instead of the Bitmap class for the tempory image help?
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A couple of thoughts, first off, I would assume you are going to copy over the files from the flash card before you start your conversion process. You might also consider doing the two items (copying files and converting to thumbnails) on separate threads. You could have a thread that watches the folder you are placing the images in (using the FileSystemWatcher class, specifically the Created event) and then have another thread process the new image to a thumbnail.
- Nick Parker
My Blog | My Articles
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Hiya I have a normal web app with many forms.
My problem is that when I close the web app with the red X in internet explorer, Application_End in Global.asax does not get called to clean up my varibles.
Am I doing something wrong??
Thanks
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IrishSonic wrote:
Am I doing something wrong??
You dont expect your visitor to shutdown the web site now? 
top secret xacc-ide 0.0.1
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First of all, this question belong in the ASP.NET forum, but since it's a simple question I'll answer it here anyway.
The red X in IE (or any browser) does nothing on the server. HTTP is a client-request/server-response mechanism and only client-side scripting events would know that your browser is closing.
Also, if you read the documentation for ASP.NET (always a good thing), the Application_End handler executes when your ASP.NET web application is shutting down (as leppie tried to point out with little extra helpful information). Each client does not get a separate instance of a web application - that would be stupid (wouldn't scale well, among many other things). Each additional client gets a separate context (a thread), optionally with a session attached. If you want to store information per-client and clean it up, use the Session property found on many objects (like HttpContext, Page, et. al.) and handle clean-up in the Session_End handler in Global.asax. This still won't fire when a user closes the browser, however. It will fire when the session is destroyed. The default is in 30 minutes.
Please direct future questions to the appropriate forums. This is an ASP.NET related question - it doesn't matter if you wrote it in C# or not; C# is just one many languages that target and use the .NET Framework.
Microsoft MVP, Visual C#
My Articles
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How can i make a today screen component to my project. i know that it made by microsoft embeded visual c++. but i had no information about this tool. can any one help me with any info. or samples about this.
and how can i handle WM_ERASEBKGND message to make this component has a transparent back ground.
can any one help me,please.
Mohamed Elsaid - Faculty of computers and information - Helwan university - Forth year - Cairo - Egypt
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Create a new form, place a TextBox on it, setting the Multiline property to true. Add some Buttons that allow you to scroll through your data which can be stored in any mechanism you wish (XML file, database, etc). This should get you started, any other questions feel free to ask.
- Nick Parker
My Blog | My Articles
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A today screen component is the little apps that run on a today screen of a PocketPC device, like the calendar, inbox, and more (I have one that MS Money added).
Microsoft MVP, Visual C#
My Articles
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Damn, I thought he was talking about the Tip of the Day and just misworded it. 
- Nick Parker
My Blog | My Articles
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If you have questions about Microsoft eMbedded Visual C++, I suggest you post them in the C++ forum. If you look in the Windows Mobile SDK, there's also a sample about writing a today screen component.
Microsoft MVP, Visual C#
My Articles
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I made it using CAB+INF.
Mohamed Elsaid - Faculty of computers and information - Helwan university - Forth year - Cairo - Egypt
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How can i make the uninstallation delete all my application files, the help files and the database asociated with the program. and how can i use uninstall_init() and uninstall_exit() functionality to clean up data files and databases.
can any one help me,please.
Mohamed Elsaid - Faculty of computers and information - Helwan university - Forth year - Cairo - Egypt
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That greatly depends on how your application is installed. You might start by telling us whether your using the CAB+INF way, or some other installer.
By default, every known installer I've worked with (many) does not delete files it doesn't install, like files that applications create at runtime.
Microsoft MVP, Visual C#
My Articles
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How can i make my help file activated when the user press help in the start->help in pocket pc start menu.use tooltip control in my c# smart device application.
i can put my help file in toc (table of contentes) but i would like to open automatically when the user press start->help and my form was activated.
can any one help me,please.
Mohamed Elsaid - Faculty of computers and information - Helwan university - Forth year - Cairo - Egypt
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This has been posted quite recently and i believe the answer was you can't, it's not supported by the .Net Compact Framework. I'm sure someone will correct me if i'm wrong though 
Kev Pearman MCP
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Hello,
I'm creating a dialog with a small list of files, where the user can add/remove arbitrary files via an open file dialog.
What I want is for the user to be able to dblclick an item in the list, and bring up that file in internet explorer (assuming there is a plug-in installed for the given file type, otherwise I guess IE would show a warning.
How can this be done? CommandLine argument?
Is there such a thing as an internet explorer control available that I can embed easily? Otherwise just an IE window popping
up would do the job for me equally well..
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Why, don't you just use Process.Start () and open the fil in the default application?
Q:What does the derived class in C# tell to it's parent?
A:All your base are belong to us!
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yes I could, but the application that will eventually use the files on this list (not the same as mine) might not have the same default applications. And that app will also want to start the files listed here in IE through plug-ins. So I need to supply the same functionality here...
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