How can i run a program in the background? I've putted 0% oppacity but when i press alt+tab it shows that there is something running.

Thanks,
Guilhreme

You need to override the close behavior by adding a FormClosing event handler that does the following:

private void Form1_FormClosing(object sender, FormClosingEventArgs e) { if (e.CloseReason == CloseReason.UserClosing) { e.Cancel = true; this.Visible = false; } }

Run in the background in what way? Have no UI at all? Just not show up in the alt+tab display?

You may want to look into running it as a Windows Service or perhaps adding a NotifyIcon(so as to givethe user some way to get to your running app)and hiding any forms that are visible (even when at 0% oppacity) with their Hide() method.

Well, when u put the MSN in the tray, it doesn't appear when you press alt+tab.. emule too, that's what i'm talking about u see?

If you want to have an icon in the system tray you'll want to add a NotifyIcon component to your form.

Yeah, but how to make the app disapear, but continue running?

The documentation at the link I provided has an example of how to do just that.

this one: http://msdn2.microsoft.com/en-us/library/system.windows.forms.notifyicon.aspx ??
This, the icon appear but when i Close the app the program closes, and don't still runing.

Well, the program will e-mail me everytime the IP is changed, and i want to run it in the background, i don't want it to be show either in the taskbar and traybar.

So lose the NotifyIcon and fire off the Hide() method on your form after it has finished loading... otherwise run it as a Windows Serviceand be completely out of sight and out of mind.

You need to override the close behavior by adding a FormClosing event handler that does the following:

private void Form1_FormClosing(object sender, FormClosingEventArgs e) { if (e.CloseReason == CloseReason.UserClosing) { e.Cancel = true; this.Visible = false; } }

I still don't understand.

Do you know when you click in the "X" from Msn Messenger Window? The Windows Closes, but the app still run. That's what i want, but when you click the app it starts with the window closed !

Yeahh.. this works sorry for not being objectivly at others post.

Thanks,
Guilherme