internal static GenericSafeHandle GetReadHandle(IntPtr handle, ReleaseHandleCallback releaseCallback)
{
IntPtr readHandle = NativeMethods.DuplicateHandle(handle, (int)StandardRights.ReadPermissions);
if (readHandle == IntPtr.Zero)
{
int err = Marshal.GetLastWin32Error();
switch (err)
{
case NativeConstants.ERROR_ACCESS_DENIED:
throw new UnauthorizedAccessException();
default:
throw new System.ComponentModel.Win32Exception(err);
}
}
return(new GenericSafeHandle(readHandle, releaseCallback));
}
public GenericSafeHandle(IntPtr handle, ReleaseHandleCallback releaseCallback)
: base(IntPtr.Zero, true)
{
base.handle = handle;
m_ReleaseCallback = releaseCallback;
}
public GenericSafeHandle(IntPtr handle, ReleaseHandleCallback releaseCallback)
: base(IntPtr.Zero, true)
{
base.handle = handle;
m_ReleaseCallback = releaseCallback;
}
internal static GenericSafeHandle GetReadHandle(IntPtr handle, ReleaseHandleCallback releaseCallback)
{
IntPtr readHandle = NativeMethods.DuplicateHandle(handle, (int)StandardRights.ReadPermissions);
if (readHandle == IntPtr.Zero)
{
int err = Marshal.GetLastWin32Error();
switch (err)
{
case NativeConstants.ERROR_ACCESS_DENIED:
throw new UnauthorizedAccessException();
default:
throw new System.ComponentModel.Win32Exception(err);
}
}
return new GenericSafeHandle(readHandle, releaseCallback);
}
