/// <summary>
/// Ensures that there is sufficient memory allocated.
/// </summary>
/// <param name="capacity">
/// The required capacity of the block, in bytes.
/// </param>
/// <exception cref="OutOfMemoryException">
/// There is insufficient memory to satisfy the request.
/// </exception>
public void EnsureCapacity(Int32 capacity)
{
Int32 currentSize = MemoryBlock.IsInvalid ? 0 : MemoryBlock.Size;
if (currentSize >= capacity)
{
return;
}
if (currentSize != 0)
{
currentSize <<= 1;
}
if (currentSize < capacity)
{
currentSize = capacity;
}
if (!MemoryBlock.IsInvalid)
{
MemoryBlock.Dispose();
}
MemoryBlock = SafeGlobalHandle.Allocate(currentSize);
}
/// <summary>
/// Performs application-defined tasks associated with freeing,
/// releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
if (MemoryBlock.IsInvalid)
{
return;
}
MemoryBlock.Dispose();
MemoryBlock = InvalidBlock;
}
