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[英]C# How to delete last 2 characters from text file and write into the same line at the end my text?
[英]how to write text starting from the end of the textBox in C# ?
我正在用 C# 编写一个聊天应用程序,我还想显示消息到达的时间,就在消息之后,从右边开始?
如何从右侧开始在 textBox 或 richTextBox 中书写?
这是我的代码现在的查找方式:
textBox1.SelectionFont = new Font("Arial", 12, FontStyle.Regular);
textBox1.AppendText(text + "\n");
textBox1.SelectionFont = new Font("Arial", 8, FontStyle.Italic);
textBox1.AppendText("sent at " + DateTime.Now.ToString("h:mm") + "\n");
textbox1.TextAlignment = TextAlignment.Right;
否则,如果它是固定大小并且没有换行符,你可以做这样的事情
string time = "12:34PM";
string text = "Hello".PadRight(100) + time;
textBox1.AppendText(text + "\n");
或使用您现有的代码......也许是这样的?
textBox1.SelectionFont = new Font("Arial", 12, FontStyle.Regular);
textBox1.AppendText(text + "\n");
textBox1.SelectionFont = new Font("Arial", 8, FontStyle.Italic);
textBox1.AppendText(("sent at " + DateTime.Now.ToString("h:mm")).PadLeft(100) + "\n");
谢谢 :) 它与对齐属性一起使用:
textBox1.SelectionFont = new Font("Arial", 12, FontStyle.Regular);
textBox1.AppendText(text + "\n");
textBox1.SelectionFont = new Font("Arial", 8, FontStyle.Italic);
textBox1.SelectionAlignment = HorizontalAlignment.Right;
textBox1.AppendText("sent at " + DateTime.Now.ToString("h:mm") + "\n");
textBox1.SelectionAlignment = HorizontalAlignment.Left;
}
我建议使用 string.format 而不是 appendtext
string text = "This is the message \n";
string dt = "sent at " + DateTime.Now.ToString("h:mm") + "\n"
textBox1.Text = string.Format("{0} {1}", text, dt);
您还可以在使用正文的长度函数后附加字符串,并在之后添加日期。
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