private bool Validate()
{
var validationResult = UserValidation.Validate(
textBox_Create_Login.Text,
passwordBox_Create_Password.Password,
passwordBox_Create_Password_Copy.Password);
if (validationResult.IsValid)
{
if (_userBusinessComponent.Exists(textBox_Create_Login.Text))
{
MessageBox.Show("A user with such username already exists!");
return(false);
}
return(true);
}
else
{
MessageBox.Show(validationResult.Error);
return(false);
}
}