C# winform 窗体控件随窗体大小改变

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 float X;
private float Y;

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 Form1_Load(object sender, EventArgs e)
{
this.Resize += new EventHandler(Form1_Resize);

X = this.Width;
Y = this.Height;

setTag(this);
Form1_Resize(new object(), new EventArgs());//x,y可在实例化时赋值
}

private void Form1_Resize(object sender, EventArgs e)
{
float newx = (this.Width) / X;
float newy = this.Height / Y;
setControls(newx, newy, this);
this.Text = this.Width.ToString() + " " + this.Height.ToString();
}