C# winform如何去掉按钮边框

RT

不会设，不过我可以画，你可以参考一下 private void groupBox1_Paint(object sender, PaintEventArgs e) { e.Graphics.Clear(groupBox1.BackColor); e.Graphics.DrawString(groupBox1.Text, groupBox1.Font, Brushes.Blue, 10, 1); e.Graphics.DrawLine(Pens.Red, 1, 7, 8, 7); e.Graphics.DrawLine(Pens.Red, e.Graphics.MeasureString(groupBox1.Text, groupBox1.Font).Width + 8, 7, groupBox1.Width - 2, 7); e.Graphics.DrawLine(Pens.Red, 1, 7, 1, groupBox1.Height - 2); e.Graphics.DrawLine(Pens.Red, 1, groupBox1.Height - 2, groupBox1.Width - 2, groupBox1.Height - 2); e.Graphics.DrawLine(Pens.Red, groupBox1.Width - 2, 7, groupBox1.Width - 2, groupBox1.Height - 2); }

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