public static IDisposable ToAutoClear <T>(this T[] buffer) where T : struct
{
IDisposable ret = null;
try {
RuntimeHelpers.PrepareConstrainedRegions();
try {
}
finally {
var handle = buffer.Pinned();
ret = new FinalizerAction(() => {
try {
MemoryClearArray(buffer);
}
finally {
handle.Dispose();
}
});
}
return(ret);
}
catch (ThreadAbortException) {
ret?.Dispose();
throw;
}
catch (Exception) {
ret?.Dispose();
throw;
}
}
public static IDisposable ToAutoClear(this string str)
{
IDisposable ret = null;
try {
RuntimeHelpers.PrepareConstrainedRegions();
try {
}
finally {
var handle = str.Pinned();
ret = new FinalizerAction(() => {
try {
MemoryClearString(str);
}
finally {
handle.Dispose();
}
});
}
return(ret);
}
catch (ThreadAbortException) {
ret?.Dispose();
throw;
}
catch (Exception) {
ret?.Dispose();
throw;
}
}
public static IDisposable Pinned <T>(this T obj, out IntPtr ptr) where T : class
{
IDisposableAction ret = null;
RuntimeHelpers.PrepareConstrainedRegions();
try {
}
finally {
var handle = GCHandle.Alloc(obj, GCHandleType.Pinned);
ret = new FinalizerAction(() => handle.Free());
ptr = handle.AddrOfPinnedObject();
}
return(ret);
}
