IBMDSwitcherKey GetSwitcherKey1(IBMDSwitcherMixEffectBlock block)
{
IBMDSwitcherKeyIterator meIterator = null;
IntPtr meIteratorPtr;
Guid meIteratorIID = typeof(IBMDSwitcherKeyIterator).GUID;
block.CreateIterator(ref meIteratorIID, out meIteratorPtr);
if (meIteratorPtr != null)
{
meIterator = (IBMDSwitcherKeyIterator)Marshal.GetObjectForIUnknown(meIteratorPtr);
}
if (meIterator == null)
{
return(null);
}
IBMDSwitcherKey temp = null;
if (meIterator != null)
{
meIterator.Next(out temp);
}
return(temp);
}