剪切,复制和粘贴C#?

Hun*_*ell 2 c# winforms

我有很多文本框.我有一个按钮,可以剪切聚焦文本框的选定文本.我怎么做?我试过这个:

        if (((TextBox)(pictureBox1.Controls[0])).SelectionLength > 0)
        {
            ((TextBox)(pictureBox1.Controls[0])).Cut();
        }
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Anu*_*raj 6

希望它是WinForms

var textboxes = (from textbox in this.Controls.OfType<TextBox>()
                    where textbox.SelectedText != string.Empty
                    select textbox).FirstOrDefault();
if (textboxes != null)
{
    textboxes.Cut();
}
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