public int hash()
{
Contract.Requires(!m_deallocated, "ref count is zero");
int hash = 0;
if (m_instance != IntPtr.Zero)
{
IntPtr exception = IntPtr.Zero;
hash = DirectCalls.Calli(this, Selector.Hash, ref exception);
if (exception != IntPtr.Zero)
{
CocoaException.Raise(exception);
}
}
return(hash);
}
/// <exclude/>
public uint retainCount()
{
Contract.Requires(!m_deallocated, "ref count is zero");
uint count = uint.MaxValue;
if (m_instance != IntPtr.Zero)
{
IntPtr exception = IntPtr.Zero;
count = unchecked ((uint)DirectCalls.Calli(m_instance, Selector.RetainCount, ref exception));
if (exception != IntPtr.Zero)
{
CocoaException.Raise(exception);
}
}
return(count);
}
public SignatureInfo(IntPtr sig)
{
Contract.Requires(sig != IntPtr.Zero, "sig is nil");
// Get the return encoding.
IntPtr exception = IntPtr.Zero;
IntPtr buffer = DirectCalls.Callp(sig, methodReturnType, ref exception);
if (exception != IntPtr.Zero)
{
CocoaException.Raise(exception);
}
m_return = Marshal.PtrToStringAnsi(buffer);
// Get the number of arguments.
int count = DirectCalls.Calli(sig, numberOfArguments, ref exception);
if (exception != IntPtr.Zero)
{
CocoaException.Raise(exception);
}
// Get the encodings for each argument.
m_args = new string[count];
for (int i = 0; i < count; ++i)
{
buffer = DirectCalls.Callpi(sig, getArgumentTypeAtIndex, i, ref exception);
if (exception != IntPtr.Zero)
{
CocoaException.Raise(exception);
}
m_args[i] = Marshal.PtrToStringAnsi(buffer);
}
}
