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    <p>MSDN says concerning thread.Abort, "Calling this method usually terminates the thread." </p> <p>There is a countless number of ways you can close out your Splash Screen without using thread.Abort. </p> <p>Here is one such way to accomplish what it appears you are trying to do.</p> <p>SplashScreen.cs </p> <pre><code> namespace ICAMReports { public partial class SplashScreen : Form { ManualResetEventSlim splashDone; public SplashScreen(ManualResetEventSlim SplashDone) { splashDone=SplashDone; InitializeComponent(); } private void timer1_Tick(object sender, EventArgs e) { progressBar1.Increment(1); if (progressBar1.Value == 100) { splashDone.Set(); this.Close(); } } } } </code></pre> <p>Form1.CS</p> <pre><code> namespace ICAMReports { public partial class Form1 : Form { ManualResetEventSlim splashDone = new ManualResetEventSlim(false); public Form1() { InitializeComponent(); Thread th = new Thread(new ThreadStart(splashScreen)); th.Start(); splashDone.Wait(); } public void splashScreen() { Application.Run(new SplashScreen(splashDone)); } //this where the rest of code is placed.... } } </code></pre> <p>splashDone.Wait() will accomplish the same thing you were trying to do with the Sleep() but instead you should use your loading Bar in your Splash Screen to tell you when to end the thread. Actually in this scenario it really doesn't make any sense to have the splash Screen on a separate thread because the sleep/wait will pause the main form from loading anything until the Splash Screen is finished. Suppose you had resource intensive things in your Form1 that you wanted to load while the Splash Screen is distracting the user. You would do something like this instead of just pausing the Form1 entirely(since the entire point of using a separate thread is that they both run simultaneously.</p> <p>SplashScreen.cs </p> <pre><code> namespace ICAMReports { public partial class SplashScreen : Form { Form parent; delegate void show(); public SplashScreen(Form Parent) { parent=Parent; InitializeComponent(); } private void timer1_Tick(object sender, EventArgs e) { progressBar1.Increment(1); if (progressBar1.Value == 100) { parent.Invoke(new show(()=&gt;{parent.Opacity=100;})); this.Close(); } } } } </code></pre> <p>Form1.CS</p> <pre><code> namespace ICAMReports { public partial class Form1 : Form { public Form1() { InitializeComponent(); Thread th = new Thread(new ThreadStart(splashScreen)); th.Start(); this.Opacity=0; } public void splashScreen() { Application.Run(new SplashScreen(this)); } //this where the rest of code is placed.... } } </code></pre> <p>edit: Responding to loading bar animation</p> <p>The loading bar will move and look different depending on the version and settings of Windows you are using. You can't use a Thread.Sleep to let the loading bar catch up because it pauses the loadingBar1 animation. You need to give your loading bar about ~10% to catch up(adjust it as needed) this should fix your problem of the loading bar animation.</p> <pre><code> int i = 0; private void timer1_Tick(object sender, EventArgs e) { if(i++&lt;100)progressBar1.Value++; if (i == 110) { splashDone.Set(); this.Close(); } } </code></pre>
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    1. COthe first code worked, it fixed closing the splash screen (form), but for some reason, progressbar1 doesn't go to 100, it closes form in approx at 75%...
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    2. COYou need to let the timer go over a few more ticks to allow the animation to finish updating. I edited my post above to give you one possible solution. Just create a separate variable that can go above the max progressBar1 value and exit out when that equals 110 or whatever time gap you want to insure the loading bar animation finishes. I tested the above 110 setting above and it gives the animation plenty of time to finish. If you need it to last longer increase the number if you want it to go a little faster 105 just barely makes it to the end.
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    3. COthanks CodeCamper, even though I don't understand why the previous code didn't work..., and why do I need to set value above 100...
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