namespace _9.圖片的上一張和下一張
{
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");
}
//獲得圖片文件夾的全路徑
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]);
}
}
}