public delegate long DelegateStreamReadFunction(
	IntPtr handle,
	IntPtr buffer,
	long bufferSize
)

Public Delegate Function DelegateStreamReadFunction ( _
	handle As IntPtr, _
	buffer As IntPtr, _
	bufferSize As Long _
) As Long

public delegate long long DelegateStreamReadFunction(
	IntPtr handle, 
	IntPtr buffer, 
	long long bufferSize
)