casting KeyValuePair<X,Y> into KeyValuePair<Object, Object>?

[THY02K]

hello

I need to cast KeyValuePair<X,Y> into KeyValuePair<Object, Object> ...

Trying to write simpler code... how can I reduce the number of the else-if blocks below?

if (o is DictionaryEntry)
{
	DictionaryEntry oEntry = (DictionaryEntry)o;
	object oKey = oEntry.Key;
	object oValue = oEntry.Value;
	
	// In this case lstAnotherCollection is a Hashtable
	lstAnotherCollection.Add(oKey, oValue);
	... more ...
}
else if (o is KeyValuePair<string, System.Drawing.Bitmap>)
{
	// This would give error ...
	// KeyValuePair<object, object> oEntry = (KeyValuePair<object, object>)o;
	
	// To resolve this, I resorted to else-elseif blocks (That's obviously undersirable)
	KeyValuePair<string, System.Drawing.Bitmap> oEntry = (KeyValuePair<string, System.Drawing.Bitmap>)o;
	string oKey = oEntry.Key;
	System.Drawing.Bitmap oValue = oEntry.Value;
	
	// lstAnotherCollection = Dictionary<Object, Object>
	lstAnotherCollection.Add(oKey, oValue);
	... more ...
}
... many more else-if blocks ...

I suppose I cannot cast KeyValuePair<X,Y> into KeyValuePair<Object, Object> ... because it defeats purpose of Generics in the first place?

Thanks