void ICollection.CopyTo(Array array, int index)
{
if (array == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (array.Rank != 1)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported);
}
if (array.GetLowerBound(0) != 0)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound);
}
if (index < 0)
{
ThrowHelper.ThrowIndexArgumentOutOfRange_NeedNonNegNumException();
}
if (array.Length - index < this.Count)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
if (array is T[] array1)
{
this.items.CopyTo(array1, index);
}
else
{
Type elementType = array.GetType().GetElementType();
Type c = typeof(T);
if (!elementType.IsAssignableFrom(c) && !c.IsAssignableFrom(elementType))
{
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
if (!(array is object[] objArray))
{
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
int count = this.items.Count;
try
{
for (int index1 = 0; index1 < count; ++index1)
{
int index2 = index++;
// ISSUE: variable of a boxed type
__Boxed <T> local = (object)this.items[index1];
objArray[index2] = (object)local;
}
}
catch (ArrayTypeMismatchException ex)
{
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
}
}
void ICollection.CopyTo(Array array, int index)
{
if (array == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (array !.Rank != 1) // TODO-NULLABLE: https://github.com/dotnet/csharplang/issues/538
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported);
}
if (array.GetLowerBound(0) != 0)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound);
}
if (index < 0 || index > array.Length)
{
ThrowHelper.ThrowIndexArgumentOutOfRange_NeedNonNegNumException();
}
if (array.Length - index < Count)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
if (array is KeyValuePair <TKey, TValue>[] pairs)
{
m_dictionary.CopyTo(pairs, index);
}
else
{
if (array is DictionaryEntry[] dictEntryArray)
{
foreach (var item in m_dictionary)
{
dictEntryArray[index++] = new DictionaryEntry(item.Key, item.Value);
}
}
else
{
object[]? objects = array as object[];
if (objects == null)
{
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
try
{
foreach (var item in m_dictionary)
{
objects ![index++] = new KeyValuePair <TKey, TValue>(item.Key, item.Value); // TODO-NULLABLE: https://github.com/dotnet/csharplang/issues/538
void ICollection.CopyTo(Array array, int index)
{
if (array == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (array.Rank != 1)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported);
}
if (array.GetLowerBound(0) != 0)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound);
}
if (index < 0)
{
ThrowHelper.ThrowIndexArgumentOutOfRange_NeedNonNegNumException();
}
if (array.Length - index < Count)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
if (array is T[] tArray)
{
items.CopyTo(tArray, index);
}
else
{
//
// Catch the obvious case assignment will fail.
// We can't find all possible problems by doing the check though.
// For example, if the element type of the Array is derived from T,
// we can't figure out if we can successfully copy the element beforehand.
//
Type targetType = array.GetType().GetElementType();
Type sourceType = typeof(T);
if (!(targetType.IsAssignableFrom(sourceType) || sourceType.IsAssignableFrom(targetType)))
{
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
//
// We can't cast array of value type to object[], so we don't support
// widening of primitive types here.
//
object[] objects = array as object[];
if (objects == null)
{
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
int count = items.Count;
try
{
for (int i = 0; i < count; i++)
{
objects[index++] = items[i];
}
}
catch (ArrayTypeMismatchException)
{
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
}
}
void ICollection.CopyTo(Array array, int index)
{
if (array == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
}
if (array.Rank != 1)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported);
}
if (array.GetLowerBound(0) != 0)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound);
}
if (index < 0 || index > array.Length)
{
ThrowHelper.ThrowIndexArgumentOutOfRange_NeedNonNegNumException();
}
if (array.Length - index < Count)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall);
}
KeyValuePair <TKey, TValue>[] pairs = array as KeyValuePair <TKey, TValue>[];
if (pairs != null)
{
m_dictionary.CopyTo(pairs, index);
}
else
{
DictionaryEntry[] dictEntryArray = array as DictionaryEntry[];
if (dictEntryArray != null)
{
foreach (var item in m_dictionary)
{
dictEntryArray[index++] = new DictionaryEntry(item.Key, item.Value);
}
}
else
{
object[] objects = array as object[];
if (objects == null)
{
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
try
{
foreach (var item in m_dictionary)
{
objects[index++] = new KeyValuePair <TKey, TValue>(item.Key, item.Value);
}
}
catch (ArrayTypeMismatchException)
{
ThrowHelper.ThrowArgumentException_Argument_InvalidArrayType();
}
}
}
}