[ahmedhhh2]

هناك خطأ في الكود 
ChangeIP("192.168.1." & i.ToString("000"))

        Txt_IPAddress.Text = "192.168.1." & i.ToString("000")



System.InvalidCastException
  HResult=0x80004002
  Message=Conversion from string "192.168.1.001" to type 'Integer' is not valid.
  Source=Microsoft.VisualBasic
  StackTrace:
   at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value)
   at ChangeIPAddressXT.Form1.Timer1_Tick(Object sender, EventArgs e) in C:\Users\ahmed-pc\Downloads\ChangeIPAddressXT\ChangeIPAddressXT\Form1.vb:line 44
   at System.Windows.Forms.Timer.OnTick(EventArgs e)
   at System.Windows.Forms.Timer.TimerNativeWindow.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(IntPtr 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 Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.OnRun()
   at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.DoApplicationModel()
   at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(String[] commandLine)
   at ChangeIPAddressXT.My.MyApplication.Main(String[] Args) in :line 81

Inner Exception 1:
FormatException: Input string was not in a correct format.