private void hostBit_ComboBox_SelectedValueChanged(object sender, EventArgs e)
{
int valmask = 32 - (int)hostBit_ComboBox.SelectedItem;
var valindex = MaskBit_Combobox.FindStringExact(valmask.ToString());
MaskBit_Combobox.SelectedItem = MaskBit_Combobox.Items[valindex];
}
private void numOfSubnetCombobox_SelectedValueChanged(object sender, EventArgs e)
{
int changednumofsubnet = (int)numOfSubnetCombobox.SelectedItem;
int i = 0;
int newmaskbits = 0;
foreach (var item in numOfSubnetsClassA)
{
if (changednumofsubnet == item)
{
break;
}
i++;
}
if (classname == 'A')
{
newmaskbits = 8 + i;
}
if (classname == 'B')
{
newmaskbits = 16 + i;
}
if (classname == 'C')
{
newmaskbits = 24 + i;
}
var valindex = MaskBit_Combobox.FindStringExact(newmaskbits.ToString());
MaskBit_Combobox.SelectedItem = MaskBit_Combobox.Items[valindex];
}
private void Subnet_ComboBox_SelectedValueChanged(object sender, EventArgs e)
{
int maskbit = 0;
string[] subnetbroken = Subnet_ComboBox.SelectedItem.ToString().Split('.');
if (k != 0)
{
if (classname == 'A')
{
int i = 0;
foreach (var item in specialSubnets)
{
if (item == Convert.ToInt32(subnetbroken[1]))
{
break;
}
i++;
}
int a = 0;
foreach (var item in specialSubnets)
{
if (item == Convert.ToInt32(subnetbroken[2]))
{
break;
}
a++;
}
int b = 0;
foreach (var item in specialSubnets)
{
if (item == Convert.ToInt32(subnetbroken[3]))
{
break;
}
b++;
}
maskbit = 8 + i + a + b;
}
if (classname == 'B')
{
int i = 0;
foreach (var item in specialSubnets)
{
if (item == Convert.ToInt32(subnetbroken[2]))
{
break;
}
i++;
}
int a = 0;
foreach (var item in specialSubnets)
{
if (item == Convert.ToInt32(subnetbroken[3]))
{
break;
}
a++;
}
maskbit = 16 + i + a;
}
if (classname == 'C')
{
int i = 0;
foreach (var item in specialSubnets)
{
if (item == Convert.ToInt32(subnetbroken[3]))
{
break;
}
i++;
}
maskbit = 24 + i;
}
double numofsubnets = 0.0;
double hostpersubnets = 0.0;
var Index = MaskBit_Combobox.FindStringExact(maskbit.ToString());
if (!(Index == -1))
{
MaskBit_Combobox.SelectedItem = MaskBit_Combobox.Items[Index];
}
if (classname == 'A')
{
subnetbits = Convert.ToInt32(MaskBit_Combobox.SelectedItem) - 8;
numofsubnets = Math.Pow(2, Convert.ToDouble(subnetbits));
hostpersubnets = (16777216 / numofsubnets) - 2;
}
if (classname == 'B')
{
subnetbits = Convert.ToInt32(MaskBit_Combobox.SelectedItem) - 16;
numofsubnets = Math.Pow(2, Convert.ToDouble(subnetbits));
hostpersubnets = (65536 / numofsubnets) - 2;
}
if (classname == 'C')
{
subnetbits = Convert.ToInt32(MaskBit_Combobox.SelectedItem) - 24;
numofsubnets = Math.Pow(2, Convert.ToDouble(subnetbits));
hostpersubnets = (256 / numofsubnets) - 2;
}
var subindex = numOfSubnetCombobox.FindStringExact(numofsubnets.ToString());
numOfSubnetCombobox.SelectedItem = numOfSubnetCombobox.Items[subindex];
var hostindex = NumOfHostComboBox.FindStringExact(hostpersubnets.ToString());
NumOfHostComboBox.SelectedItem = NumOfHostComboBox.Items[hostindex];
}
k++;
}
