Object reference not set to an instance of an object

[JohnSim3]

Hi Flo,

 

When running Ketarin on my Win XP SP3 laptop (with all the latest MS updates) I sometimes get this error when Ketarin returns from a minimized state with both main and log windows open:

 

Unhandled exception has occurred in your application. If you click Continue, the application will ignore this error and attempt to continue. If you click Quit, the application will close immediately.

 

Object reference not set to an instance of an object.

 

With these details:

See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.

************** Exception Text **************
System.NullReferenceException: Object reference not set to an instance of an object.
  at System.Windows.Forms.TextBoxBase.AppendText(String text)
  at Ketarin.Forms.LogDialog.OnVisibleChanged(EventArgs e)
  at System.Windows.Forms.Control.WmShowWindow(Message& m)
  at System.Windows.Forms.Control.WndProc(Message& m)
  at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
  at System.Windows.Forms.ContainerControl.WndProc(Message& m)
  at System.Windows.Forms.Form.WmShowWindow(Message& m)
  at System.Windows.Forms.Form.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.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)


************** Loaded Assemblies **************
mscorlib
   Assembly Version: 2.0.0.0
   Win32 Version: 2.0.50727.3615 (GDR.050727-3600)
   CodeBase: file:///C:/WINDOWS/Microsoft.NET/Framework/v2.0.50727/mscorlib.dll
----------------------------------------
Ketarin
   Assembly Version: 1.1.2.337
   Win32 Version: 1.1.2.337
   CodeBase: file:///C:/Program%20Files/Internet%20Tools/Ketarin/Ketarin.exe
----------------------------------------
System.Windows.Forms
   Assembly Version: 2.0.0.0
   Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000)
   CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Windows.Forms/2.0.0.0__b77a5c561934e089/System.Windows.Forms.dll
----------------------------------------
System
   Assembly Version: 2.0.0.0
   Win32 Version: 2.0.50727.3614 (GDR.050727-3600)
   CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll
----------------------------------------
System.Drawing
   Assembly Version: 2.0.0.0
   Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000)
   CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Drawing/2.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll
----------------------------------------
System.Xml
   Assembly Version: 2.0.0.0
   Win32 Version: 2.0.50727.3082 (QFE.050727-3000)
   CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Xml/2.0.0.0__b77a5c561934e089/System.Xml.dll
----------------------------------------
System.Data
   Assembly Version: 2.0.0.0
   Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000)
   CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.Data/2.0.0.0__b77a5c561934e089/System.Data.dll
----------------------------------------
System.Data.SQLite
   Assembly Version: 1.0.65.0
   Win32 Version: 1.0.65.0
   CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.Data.SQLite/1.0.65.0__db937bc2d44ff139/System.Data.SQLite.dll
----------------------------------------
System.Transactions
   Assembly Version: 2.0.0.0
   Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000)
   CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.Transactions/2.0.0.0__b77a5c561934e089/System.Transactions.dll
----------------------------------------
System.Design
   Assembly Version: 2.0.0.0
   Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000)
   CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Design/2.0.0.0__b03f5f7f11d50a3a/System.Design.dll
----------------------------------------
System.Web
   Assembly Version: 2.0.0.0
   Win32 Version: 2.0.50727.3614 (GDR.050727-3600)
   CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.Web/2.0.0.0__b03f5f7f11d50a3a/System.Web.dll
----------------------------------------
System.Configuration
   Assembly Version: 2.0.0.0
   Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000)
   CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Configuration/2.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll
----------------------------------------
System.EnterpriseServices
   Assembly Version: 2.0.0.0
   Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000)
   CodeBase: file:///C:/WINDOWS/assembly/GAC_32/System.EnterpriseServices/2.0.0.0__b03f5f7f11d50a3a/System.EnterpriseServices.dll
----------------------------------------

************** JIT Debugging **************
To enable just-in-time (JIT) debugging, the .config file for this
application or computer (machine.config) must have the
jitDebugging value set in the system.windows.forms section.
The application must also be compiled with debugging
enabled.

For example:

<configuration>
   <system.windows.forms jitDebugging="true" />
</configuration>

When JIT debugging is enabled, any unhandled exception
will be sent to the JIT debugger registered on the computer
rather than be handled by this dialog box.

 

When clicking the "Continue" button Ketarin will continue as normal.

 

Thanks and regards,

 

Johnny

[floele]

OK, I think I can fix it for the next version.