System.ArgumentException was unhandled Message="Delegate to an instance method cannot have null 'this'." Source="mscorlib" StackTrace: at System.MulticastDelegate.ThrowNullThisInDelegateToInstance() at System.MulticastDelegate.CtorClosed(Object target, IntPtr methodPtr) at ISX_Botfucker.ISX_Botfucker.buttonPlayPause1_Click(Object sender, EventArgs e) in C:\Documents and Settings\Jeremy\My Documents\Visual Studio 2005\Projects\ISX_Botfucker\ISX_Botfucker\Form1.cs:line 40 at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData) at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.Run(Form mainForm) at ISX_Botfucker.Program.Main() in C:\Documents and Settings\Jeremy\My Documents\Visual Studio 2005\Projects\ISX_Botfucker\ISX_Botfucker\Program.cs:line 17 at System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() namespace ISX_Botfucker { public partial class ISX_Botfucker : Form { public static ISX_Botfucker Instance; public static clsPulse PulseCls; public static clsMain MainCls; public ISX_Botfucker() { InitializeComponent(); if (ISX_Botfucker.Instance == null) { ISX_Botfucker.Instance = this; } } int pulses; public void UpdateStats() { pulses += 100; counter.Text = pulses.ToString(); } bool HasStarted; bool ThreadMade; Thread botMainThread; private void buttonPlayPause1_Click(object sender, EventArgs e) { if (!ThreadMade) { botMainThread = new Thread(PulseCls.Pulse); ThreadMade = true; HasStarted = true; botMainThread.Start(); } if (!HasStarted) { botMainThread.Start(); buttonPlayPause1.Text = "Pause"; HasStarted = true; return; } if (HasStarted) { try { botMainThread.Abort(); } finally { Application.Exit(); } buttonPlayPause1.Text = "Play"; HasStarted = false; return; } } } }