我要做的是:C上的圖片庫
製作一個圖片庫,它有5個按鈕,每個圖片庫都選擇一個圖片文件夾。 。
另外兩個按鈕爲你在文件夾中的下一個和前行我76,它說
說法1:無法從「System.collection.Generic.list」轉換爲字符串
有什麼想法?
這裏的控制檯 http://postimg.org/image/nct5pwdit/
線76表示的圖像:
pictureBox1.Load(semestres[semac].imagen[]);
我有像6次相同的命令。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
class semestres
{
public List<string> imagen = new List<string>();
private int _semestre;
public int canti;
public int actual;
public int c;
public semestres(int semestre, List<string> imagenes)
{
_semestre = semestre;
imagen = imagenes;
c = imagen.Count;
actual = 0;
}
public int semestre
{
get
{
return _semestre;
}
set
{
c = imagen.Count;
}
}
public int can
{
get
{
return c;
}
set
{
c = imagen.Count;
}
}
}
namespace Visor
{
public partial class Form1 : Form
{
private int cont;
private int semac;
private int _cant;
private int next;
private List<semestres> semestres = new List<semestres>();
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
cont = semestres[semac].actual;
cont--;
if (cont >= 0)
{
pictureBox1.Load(semestres[semac].imagen[]);
semestres[semac].actual = cont;
}
else
{
// MessageBox("Esta es la primer imagen");
cont = 0;
semestres[semac].actual = cont;
pictureBox1.Load(semestres[semac].imagen);
}
}
private void button7_Click(object sender, EventArgs e)
{
cont = semestres[semac].actual;
next = semestres[semac].c;
cont++;
if (cont < next)
{
pictureBox1.Load(semestres[semac].imagen);
semestres[semac].actual = cont;
}
else
{
// MessageBox("Esta es la ultima imagen");
cont--;
semestres[semac].actual = cont;
pictureBox1.Load(semestres[semac].imagen(cont));
}
}
private void button2_Click(object sender, EventArgs e)
{
semac = 0;
try
{
if (semestres[0].c > 0)
{
cont = semestres[0].actual;
pictureBox1.Load(semestres[0].imagen(cont));
}
}
catch (Exception)
{
OpenFileDialog file = new OpenFileDialog();
file.InitialDirectory = @"C:\";
file.Filter = "Images (*.BMP; *.JPG; *.GIF)|*.BMP; *.JPG; *.GIF|" + "All files(*.*)|*.*";
file.FilterIndex = 1;
file.Multiselect = true;
file.RestoreDirectory = true;
file.ShowDialog();
string[] imgs = file.FileNames;
List<string> imagenes = new List<string>();
foreach (string imagen in imgs)
{
imagenes.Add(imagen);
}
semestres.Add(new semestres(1, imagenes));
pictureBox1.Load(imagenes[0]);
semestres[0].actual = 0;
cont = 0;
}
}
private void button6_Click(object sender, EventArgs e)
{
}
private void btn_3_Click(object sender, EventArgs e)
{
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void btn_sal_Click(object sender, EventArgs e)
{
}
private void btn_2_Click(object sender, EventArgs e)
{
}
}
}
你能指出哪一行是第76行嗎?真的不想把它算出來...... – bkribbs
74行if(cont> = 0) 75 pictureBox1.Load(semestres [semac] .imagen []); 77 semestres [semac] .actual = cont; 78} –