namespace _9.图片的上一张和下一张
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
pictureBox1.Image = Image.FromFile(@"C:\Users\Administrator.USER-20180925HC\Desktop\pic\1.jpg");
}
//获得图片文件夹的全路径
string[] path=Directory.GetFiles(@"C:\Users\Administrator.USER-20180925HC\Desktop\pic");
int i=0;
private void btnDownPic_Click(object sender, EventArgs e)
{
i++;
if (i == path.Length)
{
i = 0;
}
pictureBox1.Image = Image.FromFile(path[i]);
}
private void btnUpPic_Click(object sender, EventArgs e)
{
i--;
if (i < 0)
{
i = path.Length - 1;
}
pictureBox1.Image = Image.FromFile(path[i]);
}
}}
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