private void maskbitcombo_SelectedValueChanged_1(object sender, EventArgs e)
{
int hostbit = 32 - (int)maskbitcombo.SelectedValue;
var Index = hostbitcombo.FindStringExact(hostbit.ToString());
if (!(Index == -1))
{
hostbitcombo.SelectedItem = hostbitcombo.Items[Index];
}
int sub = (int)maskbitcombo.SelectedItem / 8;
if (sub == 1)
{
int val = (int)maskbitcombo.SelectedItem - 8;
making_subnets = "255." + specialSubnets[val] + ".0.0";
}
if (sub == 2)
{
int val = (int)maskbitcombo.SelectedItem - 16;
making_subnets = "255.255." + specialSubnets[val] + ".0";
}
if (sub == 3)
{
int val = (int)maskbitcombo.SelectedItem - 24;
making_subnets = "255.255.255." + specialSubnets[val];
}
var thisindex = Subnet_Mask.FindStringExact(making_subnets);
if (thisindex != -1)
{
Subnet_Mask.SelectedItem = Subnet_Mask.Items[thisindex];
}
}
private void Subnet_Mask_SelectedValueChanged_1(object sender, EventArgs e)
{
int maskbit = 0;
string[] subnetbroken = Subnet_Mask.SelectedItem.ToString().Split('.');
int[] words = new int[4];
for (int i = 0; i < 4; i++)
{
words[i] = Convert.ToInt32(subnetbroken[i]);
}
foreach (var item in words)
{
int index = 0;
foreach (var someitem in specialSubnets)
{
if (item == someitem)
{
break;
}
index++;
}
maskbit += index;
}
//taking maskbit
maskbitcombo.DataSource = mask_bitcombo.ToArray();
int numbofsubnets = 0;
var Index = maskbitcombo.FindStringExact(maskbit.ToString());
if (Index != -1)
{
maskbitcombo.SelectedItem = maskbitcombo.Items[Index];
}
//taking Host bits
int hostbit = 32 - (int)maskbitcombo.SelectedValue;
var Indexhost = hostbitcombo.FindStringExact(hostbit.ToString());
if (!(Indexhost == -1))
{
hostbitcombo.SelectedItem = hostbitcombo.Items[Indexhost];
}
hostpersubnetcombo.DataSource = host_persubnet.ToArray();
var subindex = noofsubnetcombo.FindStringExact(numbofsubnets.ToString());
if (subindex != -1)
{
noofsubnetcombo.SelectedItem = noofsubnetcombo.Items[subindex];
}
double hostpersubnet = 0.0;
hostpersubnet = Math.Pow(2, hostbit);
int totalhosts = ((int)(hostpersubnet)) - 2;
var hostindex = hostpersubnetcombo.FindStringExact(totalhosts.ToString());
if (hostindex != -1)
{
hostpersubnetcombo.SelectedItem = hostpersubnetcombo.Items[hostindex];
}
double noofsubnets = 0.0;
int someotherval = Convert.ToInt32(Bit.SelectedItem.ToString());
double someval = Convert.ToDouble(maskbit - someotherval);
noofsubnets = Math.Pow(2.0, someval);
int totalnoofsubnets = (int)noofsubnets;
var totalsubnetindex = noofsubnetcombo.FindStringExact(totalnoofsubnets.ToString());
if (totalsubnetindex != -1)
{
noofsubnetcombo.SelectedItem = noofsubnetcombo.Items[totalsubnetindex];
}
var someintindex = Subnet_Mask.FindStringExact(Subnet_Mask.SelectedItem.ToString());
Subnet_Mask.SelectedItem = Subnet_Mask.Items[someintindex];
}