diff --git a/includes/xna/csharp/stream.hpp b/includes/xna/csharp/stream.hpp
index 05e707a..b8d6e97 100644
--- a/includes/xna/csharp/stream.hpp
+++ b/includes/xna/csharp/stream.hpp
@@ -62,6 +62,9 @@ namespace xna {
 		//Gets or sets the position within the current stream.
 		virtual void Position(int64_t value) {	Seek(value, SeekOrigin::Begin); }
 
+		//When overridden in a derived class, sets the length of the current stream.
+		virtual void SetLength(int64_t value) = 0;
+
 		//Closes the current stream and releases any resources
 		virtual void Close() = 0;
 		//Sets the position within the current stream.
@@ -108,6 +111,11 @@ namespace xna {
 			return _length;
 		}
 
+		virtual constexpr void SetLength(int64_t value) override {
+			_buffer.reserve(value);
+			_length = value;
+		}
+
 		virtual constexpr int64_t Position() override {
 			if (_closed)
 				return 0;
@@ -152,6 +160,10 @@ namespace xna {
 		virtual int64_t Length() override;
 		virtual int64_t Position() override;
 
+		virtual constexpr void SetLength(int64_t value) override {
+			Exception::Throw(Exception::NOT_IMPLEMENTED);
+		}
+
 		inline virtual void Close() override {
 			_closed = true;
 
diff --git a/sources/framework/csharp/stream.cpp b/sources/framework/csharp/stream.cpp
index ac0a9f3..4f35821 100644
--- a/sources/framework/csharp/stream.cpp
+++ b/sources/framework/csharp/stream.cpp
@@ -88,7 +88,7 @@ namespace xna {
 		auto i = _position + count;
 
 		if (i < 0 || i > _length) {
-			return;
+			Exception::Throw("i < 0 || i > _length");
 		}
 
 		if (count <= 8)	{