c#当窗体大小改变时,窗体中的控件大小也随之改变

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选择匿名的用户   2021-6-1 16:40   27   0
实验为一个登录界面FormLogin
申明两个全局变量:
private float X;
        private float Y;

放在FormLogin_Load里

this.Resize += new EventHandler(FormLogin_Resize);
            X = this.Width;    
            Y = this.Height;
            setTag(this);


 private void setTag(Control cons)
        {
            foreach (Control con in cons.Controls)
            {
                con.Tag = con.Width + ":" + con.Height + ":" + con.Left + ":" + con.Top + ":" + con.Font.Size;
                if (con.Controls.Count > 0)
                    setTag(con);
            }
        }
        private void setControls(float newx, float newy, Control cons)
        {
            foreach (Control con in cons.Controls)
            {

                string[] mytag = con.Tag.ToString().Split(new char[] { ':' });
                float a = Convert.ToSingle(mytag[0]) * newx;
                con.Width = (int)a;
                a = Convert.ToSingle(mytag[1]) * newy;
                con.Height = (int)(a);
                a = Convert.ToSingle(mytag[2]) * newx;
                con.Left = (int)(a);
                a = Convert.ToSingle(mytag[3]) * newy;
                con.Top = (int)(a);
                Single currentSize = Convert.ToSingle(mytag[4]) * Math.Min(newx, newy);
                con.Font = new Font(con.Font.Name, currentSize, con.Font.Style, con.Font.Unit);
                if (con.Controls.Count > 0)
                {
                    setControls(newx, newy, con);
                }
            }

        }
        private void FormLogin_Resize(object sender, EventArgs e)
        {
            float newx = (this.Width) / X;
            float newy = this.Height / Y;
            setControls(newx, newy, this);
        }

亲测成功!

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