void IDictionary.Remove(object key)
{
if (Dictionary <TKey, TValue> .IsCompatibleKey(key))
{
this.Remove((TKey)key);
}
}
object IDictionary.this[object key]
{
get
{
if (Dictionary <TKey, TValue> .IsCompatibleKey(key))
{
int index = this.FindEntry((TKey)key);
if (index >= 0)
{
return(this.entries[index].value);
}
}
return(null);
}
set
{
if (key == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
ThrowHelper.IfNullAndNullsAreIllegalThenThrow <TValue>(value, ExceptionArgument.value);
try
{
TKey local = (TKey)key;
try
{
this[local] = (TValue)value;
}
catch (InvalidCastException)
{
ThrowHelper.ThrowWrongValueTypeArgumentException(value, typeof(TValue));
}
}
catch (InvalidCastException)
{
ThrowHelper.ThrowWrongKeyTypeArgumentException(key, typeof(TKey));
}
}
}
object IDictionary.this[object key]
{
get
{
if (Dictionary <TKey, TValue> .IsCompatibleKey(key))
{
int index = this.FindEntry((TKey)key);
if (index >= 0)
{
return(this.entries[index].value);
}
}
return(null);
}
set
{
Dictionary <TKey, TValue> .VerifyKey(key);
Dictionary <TKey, TValue> .VerifyValueType(value);
this[(TKey)key] = (TValue)value;
}
}
bool IDictionary.Contains(object key)
{
return(Dictionary <TKey, TValue> .IsCompatibleKey(key) && this.ContainsKey((TKey)key));
}