尝试读取或写入受保护的内存！

问题描述

我的程序包含以下代码:

my program includes the following code:

try
{
    PrivateRichTextBox1.Text = PrivateRichTextBox1.Text + "Me: " + privateMessageTextBox.Text + "\n";
    PrivateRichTextBox1.SelectionStart = PrivateRichTextBox1.Text.Length;
    PrivateRichTextBox1.ScrollToCaret();
}
catch
{
}

它可以完美运行，但有时该程序只是在行上停止:

it works perfectly but sometimes the program just stops on the line:

PrivateRichTextBox1.Text = PrivateRichTextBox1.Text + "Me: " + privateMessageTextBox.Text + "\n";

并给我这个错误:
尝试读取或写入受保护的内存.这通常表明其他内存已损坏.

这意味着什么 ???我应该怎么做才能克服此错误??

在此先感谢:)

and give me this error:
attempted to read or write protected memory.this is often an indication that other memory is corrupt.

what does that mean ??? what should I do to overcome this error???

thanks in advance :)

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