I have been looking around for a way to convert a cli::array<unsigned char> into a System::String.
Here is what i want to do:
private: void button2_Click(System::Object^ sender, System::EventArgs^ e) { MD5 ^ md5 = gcnew MD5CryptoServiceProvider(); System::String ^ fileName; fileName = textBox2->Text::get(); FileStream ^ fs = File::OpenRead(fileName); cli::array<unsigned char> ^ hash; hash = md5->ComputeHash(fs); textBox1->Text::set(hash); MessageBox::Show("Calcul du MD5 termine.", "MD5", MessageBoxButtons::OK, MessageBoxIcon::Exclamation); } |
But i have an error while compiling at textBox1->Text::set(hash);
It is normal but i don't know how to resolve this problem.
If someone can help me please.
Anyway thanks for reading.
convert cli::array<unsigned char> into System::String
Charles Denault
What representation of the array do you want the string to have You could use one of the System::Text::Encoding derived classes, but since the hash could contain values that would result in non-printable characters that's not something I would recommend.
To just get a printable string you could Base64 encode the result with System::Convert::ToBase64String(). Or you can use a System::Text::StringBuilder to build a string with the hex representation of each array element. Something like
StringBuilder ^sb = gcnew StringBuilder(hash->Length * 2);
for (int i = 0; i < hash->Length; i++) sb->Append("{0:X2}", hash[ i]);