C#为图片框添加值

我最近刚刚发布了一些关于我正在Microsoft visual C#express中进行的C#游戏项目的消息，经过反复尝试，我在下面提供的代码将无法工作。有人能给我什么建议或帮助吗？代码中带有括号、星号和箭头的部分是不适用于我的错误。（注意：我正在Microsoft Visual C#express上制作一个表单。）

if (buttonFlag[0])
{
    return;
}
if (accept)
{
    return;
}

textBox2.Text = "";
textBox1.Text = "";
offerCounter++;
---> [[[ **pictureBox2.Image**]]]<--- = tempLabel = buttonList[0].ToString();
LostValues(tempLabel);
textBox1.Text = "-> you just opend " + tempLabel + "'n";
CallZero(tempLabel);
if (offerCounter == 20)
{
    finalValue = GetFinalValue();
    MessageBox.Show("You win " + finalValue.ToString());
    textBox1.Text = "Game is over" + "'n";
    textBox1.Text += "you won: " + finalValue.ToString();
    label16.Content = "you won:";
    label17.Content = finalValue.ToString();
    label18.Text = "Game Over";
    accept = true;
}
if (offerCounter <= 18)
{
    if ((offerCounter % 3) == 0)
    {
        GenerateNewOffer();
        textBox1.Text += "-> you have a new offer ";
        MessageBox.Show("you recieved a new offer !");
        textBox2.Text = newOffer.ToString();
    }
    else
    {
        offerRemainder = 3 - (offerCounter % 3);
        textBox1.Text += "-> Open " + offerRemainder.ToString() + "more box(es) for new offer";
    }
}
else
{
    textBox2.Text = "";
}