using System;
using System.Windows.Forms;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            //第一种
            textBox1.Location = new System.Drawing.Point(150, 250);
            //X轴为100，Y轴0
            textBox1.Location = new System.Drawing.Point(100);
            //X,Y=(0,0)
            textBox1.Location = new System.Drawing.Point();
            //第四种 ，和第一种同效果
            textBox1.Location = new System.Drawing.Point(new System.Drawing.Size(150, 250));

            textBox1.Left = 190;
            textBox1.Top = 300;

            MessageBox.Show($"计算高度top+controlHeight：{(textBox1.Top + textBox1.Size.Height).ToString()}=textBox1.Bottom：{textBox1.Bottom}");
            MessageBox.Show($"计算高度left+controlWidth：{(textBox1.Left + textBox1.Size.Width).ToString()}=textBox1.Bottom：{textBox1.Right}");
        }
    }
}