internal IntPtr NonConstPointer()
{
if (m_ptr_attributes != IntPtr.Zero)
{
return(m_ptr_attributes);
}
// Check pipeline_parent first since this is typically time critical
// code when this is used.
DisplayPipeline pipeline_parent = m_parent as DisplayPipeline;
if (pipeline_parent != null)
{
// We can cheat and use a const pointer for the non-const version. This is
// because when a pipeline is associated with attributes, it typically
// happens when conduits are involved. When conduits are being called, the
// attributes are exposed as a non const pointer.
return(pipeline_parent.DisplayAttributeConstPointer());
}
DisplayModeDescription parent = m_parent as DisplayModeDescription;
if (parent != null)
{
return(parent.DisplayAttributeNonConstPointer());
}
return(IntPtr.Zero);
}
internal IntPtr NonConstPointer()
{
if (m_pAttrs != IntPtr.Zero)
{
return(m_pAttrs);
}
// Check pipeline_parent first since this is typically time critical
// code when this is used.
DisplayPipeline pipeline_parent = m_parent as DisplayPipeline;
if (pipeline_parent != null)
{
// Can't change the attributes in a pipeline, so create a copy
// under the hood
IntPtr pConstAttributes = ConstPointer();
if (pConstAttributes != IntPtr.Zero)
{
m_pAttrs = UnsafeNativeMethods.CDisplayPipelineAttributes_New2(pConstAttributes);
m_parent = null;
return(m_pAttrs);
}
}
DisplayModeDescription parent = m_parent as DisplayModeDescription;
if (parent != null)
{
return(parent.DisplayAttributeNonConstPointer());
}
return(IntPtr.Zero);
}