C#

public override void LoadData()<br />
{<br />
    // Call base.LoadData()<br />
    base.LoadData();<br />
    if (!this.Page.IsPostBack) <br />
    {<br />
        ArrayList list;<br />
        if ((DataSource == null))<br />
        {<br />
            list = new ArrayList();<br />
        }<br />
        else<br />
        {<br />
            list = new ArrayList(this.DataSource);        <br />
<br />
        }<br />
        int i;<br />
        for (i = 0; i < 50; i++)<br />
        {<br />
            // To insert rows at the end of the table control<br />
            list.Add(new LineScheduleRecord());  <br />
<br />
            // To insert rows at the top of the table control<br />
            // list.Insert(i, new LineScheduleRecord());               <br />
        }                  <br />
        this.DataSource = (LineScheduleRecord[])(list.ToArray(typeof(LineScheduleRecord)));<br />
    }<br />
}

Public Shared Sub Main(ByVal Params() As String)<br />
  If Params.Length = 0 Then<br />
    'run windows mode<br />
    Application.Run(frmMain)<br />
  else<br />
    'run console application<br />
    some code<br />
  End If<br />
End Sub

char* SomeFunction(const SomeClass someObj, const void* ptr, char*  str, size_t strSize);

Using size_t = System.UInt32;
...
...
[DllImport(DLLNAME)]
public static extern string SomeFunction(SomeClass someObj, IntPtr ptr, ref string str, size_t strSize);

Message: The runtime has encountered a fatal error.
The address of the error was at 0x79ef067e, on thread 0xfb8.
The error code is 0xc0000005.
This error may be a bug in the CLR or in the unsafe or non-verifiable portions of user code.
Common sources of this bug include user marshaling errors 
for COM-interop or PInvoke, which may corrupt the stack.