做了一个button和一个picturebox,想通过点击button切换picturebox的图片,但是出错了
下面为代码:
using System;
using System.Windows.Forms;
namespace A
{
class B
{
static void Main(string[] args)
{
C W=new C();
W.ShowDialog();
}
}
class C:Form
{
public Button button1;
public PictureBox pictureBox1;
public C()
{
InitializeComponent();
}
public void InitializeComponent()
{
this.button1.Name="button1";
this.button1.Size=new Size(60,20);
this.button1.Location=new Point(100,100);
this.button1.Text="按钮";
this.button1.Click+=this.anniu;
this.Controls.Add(this.button1);
this.pictureBox1.Name="pictureBox1";
this.pictureBox1.Size=new Size(200,200);
this.pictureBox1.Location=new Point(300,300);
this.pictureBox1.Image=Image.FromFile("1.jpg");
this.Controls.Add(this.pictureBox1);
}
public void anniu(object? sender, EventArgs e)
{
this.pictureBox1.Image=Image.FromFile("2.jpg");
}
}
}
下面为报错: