/// <summary>
///
/// </summary>
/// <param name="iPropertyDescription"></param>
/// <remarks>
/// <para>In order to avoid having to make this class disposable, it retrieves all values
/// from IPropertyDescription in the constructor. The caller should release iPropertyDescription.
/// </para>
/// </remarks>
internal PropertyDescription(PropertyStoreInterop.IPropertyDescription iPropertyDescription)
{
Int32 hResult;
// Get Property Key
hResult = iPropertyDescription.GetPropertyKey(out m_propertyKey);
if (hResult < 0)
{
Marshal.ThrowExceptionForHR(hResult);
}
// Get Canonical Name
IntPtr pszName = IntPtr.Zero;
try
{
hResult = iPropertyDescription.GetCanonicalName(out pszName);
if (hResult >= 0 && pszName != IntPtr.Zero)
{
m_canonicalName = Marshal.PtrToStringUni(pszName);
}
else
{
Marshal.ThrowExceptionForHR(hResult);
}
}
finally
{
if (pszName != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pszName);
pszName = IntPtr.Zero;
}
}
// Get Display Name
pszName = IntPtr.Zero;
try
{
hResult = iPropertyDescription.GetDisplayName(out pszName);
if (hResult >= 0 && pszName != IntPtr.Zero)
{
m_displayName = Marshal.PtrToStringUni(pszName);
}
else
{
m_displayName = null;
}
}
finally
{
if (pszName != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pszName);
pszName = IntPtr.Zero;
}
}
// Get Type
hResult = iPropertyDescription.GetPropertyType(out m_vt);
if (hResult < 0)
{
m_vt = 0;
Debug.Fail("IPropertyDescription.GetPropertyType failed.");
}
// Get Type Flags
hResult = iPropertyDescription.GetTypeFlags(PROPDESC_TYPE_FLAGS.PDTF_MASK_ALL, out m_typeFlags);
if (hResult < 0)
{
m_typeFlags = 0;
Debug.Fail("IPropertyDescription.GetTypeFlags failed.");
}
#if !RAW_PROPERTY_STORE
if (s_ForceInnate.Contains(m_propertyKey))
{
m_typeFlags |= PROPDESC_TYPE_FLAGS.PDTF_ISINNATE;
}
#endif
// Get View Flags
hResult = iPropertyDescription.GetViewFlags(out m_viewFlags);
if (hResult < 0)
{
m_viewFlags = 0;
Debug.Fail("IPropertyDescription.GetViewFlags failed.");
}
// Get Display type
hResult = iPropertyDescription.GetDisplayType(out m_displayType);
if (hResult < 0)
{
m_displayType = 0;
Debug.Fail("IPropertyDescription.GetDisplayType failed.");
}
}
internal _ViewFlags(PROPDESC_VIEW_FLAGS flags)
{
_flags = flags;
}
