C#

public Form1()
{
  InitializeComponent();
  Form1.Disposed += new EventHander(OnFormDisposed);
}

void OnFormDisposed(object sender, EventArgs e)
{
   //do something
}

packetsmacker wrote:

1. Create a GUI to: Allow the user to select a list of hardware properties (i.e Processor Speed)from a list of all properties of the selected hardware (i.e Processor).

packetsmacker wrote:

Save these settings to XML file
2. create console app to read XML file scan the hardware then write it to a DB.

Form2 form2;
private void button1_Click(object sender, EventArgs e)
{
  if(form2 == null || form2.IsDisposed)
    form2 = new Form2();
  form2.Show();
}

musefan wrote:

if(form2.IsDisposed || form2 == null)

Luc Pattyn wrote:

I never did those reverse compares, not in all my years programming in C and other languages that might benefit from it.

Luc Pattyn wrote:

Never has been a problem. We tend to use tools at their most critical setting; and most of the C compilers we used regularly accurately emitted warnings on anything that could be unintentional, such as missing equal signs and empty loop blocks.

int n = 1;
if( n = 2)
    cout << "now it's two" << endl;

Form2 form2 = null;