public static unsafe void Main()
{
Console.WriteLine("Size of Currency struct is " + sizeof(CurrencyStruct));
CurrencyStruct amount1, amount2;
CurrencyStruct *pAmount = &amount1;
long * pDollars = &(pAmount->Dollars);
byte * pCents = &(pAmount->Cents);
Console.WriteLine("Address of amount1 is 0x{0:X}", (uint)&amount1);
Console.WriteLine("Address of amount2 is 0x{0:X}", (uint)&amount2);
Console.WriteLine("Address of pAmt is 0x{0:X}", (uint)&pAmount);
Console.WriteLine("Address of pDollars is 0x{0:X}", (uint)&pDollars);
Console.WriteLine("Address of pCents is 0x{0:X}", (uint)&pCents);
pAmount->Dollars = 20;
*pCents = 50;
Console.WriteLine("amount1 contains " + amount1);
--pAmount; // this should get it to point to amount2
Console.WriteLine("amount2 has address 0x{0:X} and contains {1}",
(uint)pAmount, *pAmount);
// do some clever casting to get pCents to point to cents
// inside amount2
CurrencyStruct *pTempCurrency = (CurrencyStruct *)pCents;
pCents = (byte *)(--pTempCurrency);
Console.WriteLine("Address of pCents is now 0x{0:X}", (uint)&pCents);
Console.WriteLine("\nNow with classes");
// now try it out with classes
CurrencyClass amount3 = new CurrencyClass();
fixed(long *pDollars2 = &(amount3.Dollars))
fixed(byte *pCents2 = &(amount3.Cents))
{
Console.WriteLine("amount3.Dollars has address 0x{0:X}", (uint)pDollars2);
Console.WriteLine("amount3.Cents has address 0x{0:X}", (uint)pCents2);
*pDollars2 = -100;
Console.WriteLine("amount3 contains " + amount3);
}
}
public static unsafe void Main()
{
Console.WriteLine("Size of Currency struct is " + sizeof(CurrencyStruct));
CurrencyStruct amount1, amount2;
CurrencyStruct *pAmount = &amount1;
long *pDollars = &(pAmount->Dollars);
byte *pCents = &(pAmount->Cents);
Console.WriteLine("Address of amount1 is 0x{0:X}", (uint)&amount1);
Console.WriteLine("Address of amount2 is 0x{0:X}", (uint)&amount2);
Console.WriteLine("Address of pAmt is 0x{0:X}", (uint)&pAmount);
Console.WriteLine("Address of pDollars is 0x{0:X}", (uint)&pDollars);
Console.WriteLine("Address of pCents is 0x{0:X}", (uint)&pCents);
pAmount->Dollars = 20;
*pCents = 50;
Console.WriteLine("amount1 contains " + amount1);
--pAmount; // this should get it to point to amount2
Console.WriteLine("amount2 has address 0x{0:X} and contains {1}",
(uint)pAmount, *pAmount);
// do some clever casting to get pCents to point to cents
// inside amount2
CurrencyStruct *pTempCurrency = (CurrencyStruct*)pCents;
pCents = (byte*) ( --pTempCurrency );
Console.WriteLine("Address of pCents is now 0x{0:X}", (uint)&pCents);
Console.WriteLine("\nNow with classes");
// now try it out with classes
CurrencyClass amount3 = new CurrencyClass();
fixed(long *pDollars2 = &(amount3.Dollars))
fixed(byte *pCents2 = &(amount3.Cents))
{
Console.WriteLine("amount3.Dollars has address 0x{0:X}", (uint)pDollars2);
Console.WriteLine("amount3.Cents has address 0x{0:X}", (uint) pCents2);
*pDollars2 = -100;
Console.WriteLine("amount3 contains " + amount3);
}
}