[C＃]如果formis半透明，如何使标签背景透明？

问题描述

我的问题是我使用此代码的半透明表单：

My problem is that I have a semi transparent form using this code:

protected override void OnPaintBackground(PaintEventArgs e)
        {
            var sb = new SolidBrush(Color.FromArgb(50, 0, 0, 0));
            e.Graphics.FillRectangle(sb, this.DisplayRectangle);
        }

我希望在该表单上有一个与表单本身具有相同半透明背景的标签。我试了很多东西，但标签一直呈黑色。解决方案是什么？

and I want to have a label on that form that has a the same semi transparent background as the form itself. I tried multiple things but the label appears pitch black all the time. What is the solution to this?

谢谢

推荐答案

正如Castorix31所说，您可以尝试将表单的不透明度设置为"0.5"：

Just as Castorix31 said, you can try to set the form's Opacity to "0.5":

    private void Form1_Load(object sender, EventArgs e)
    {
        this.Opacity = 0.5;
    }

通过这种方式，标签将具有相同的透明度。

In this way, the label will have the same transparency.

问候，

Kyle

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