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C#代码实现窗体改变大小控件自适应

Admin | 2014-9-23 1:01:11 | 被阅次数 | 4650

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  第一步:先添加下面的代码

  在Form_Load里面添加: 
  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,最后这句是新加的,在MDI时有用

  第二步:再使用下面的功能代码

  private float X;

  private float Y;

  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 );
                }
            }

        }

        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();

        }


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