unsafe public static void UseAndPinPoint()
{
PointRef pt = new PointRef();
pt.x = 5;
pt.y = 6;
// pin pt in place so it will not
// be moved or GC-ed.
fixed(int *p = &pt.x)
{
// Use int* variable here!
}
// pt is now unpinned, and ready to be GC-ed.
Console.WriteLine("Point is: {0}", pt);
}
public static unsafe void UseAndPinPoint()
{
PointRef pt = new PointRef();
pt.x = 5;
pt.y = 6;
// pin pt in place so it will not
// be moved or GC-ed.
fixed (int* p = &pt.x)
{
// Use int* variable here!
}
// pt is now unpinned, and ready to be GC-ed once
// the method completes.
Console.WriteLine("Point is: {0}", pt);
}
public unsafe static void UseAndPinPoint()
{
PointRef pt = new PointRef {
x = 5, y = 6
};
// Pin pt in place so it will not
// be moved or GC-ed.
fixed(int *p = &pt.x)
{
// Use int* variable here!
}
// pt is not unpinned, and ready to be GC-ed one
// the method completes.
Console.WriteLine("Point is: {0}", pt);
}
unsafe static void UseAndPinPoint()
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("=> Pinning a Type via the fixed Keyword");
PointRef pt = new PointRef();
pt.x = 5; pt.y = 6;
//Pin pt in place so it will not be moved or GC-ed.
fixed(int *p = &pt.x)
{
// Use int* variable here.
}
//pt is now unpinned.
Console.WriteLine($"Point is: {pt}");
}
unsafe static void UseAndPinPointRef() {
PointRef pt = new PointRef();
pt.x = 5;
pt.y = 6;
//ERROR int* p = &pt.x;
fixed (int* p = &pt.x) {
Console.WriteLine("p: {0:X}", (int)p);
}
//fixed (PointRef* pPref = &pt) { ERROR
// Console.WriteLine("p: {0:X}", (int)p);
//}
}
unsafe public static void UseAndPinPoint()
{
PointRef pt = new PointRef();
pt.x = 5;
pt.y = 6;
fixed (int* p = &pt.x)
{
*p = 12;
}
Console.WriteLine("Point is: {0}", pt);
}
