private void openPath(String path)
{
loadingForm l = new loadingForm();
try
{
l.Show();
Application.DoEvents();
DirectoryInfo rootPath = new DirectoryInfo(path);
initArray(path, rootPath);
showTwoListBox();
l.Close();
l.Dispose();
}
catch (UnauthorizedAccessException ex) { MessageBox.Show("请以管理员身份运行"); l.Close(); }
}
//重新获取path下的文件夹与tag信息
private void btn_refresh_Click(object sender, EventArgs e)
{
if (path.Length == 0)
{
MessageBox.Show("未选择根目录", "提示");
return;
}
try
{
loadingForm l = new loadingForm();
l.Show();
Application.DoEvents();
DirectoryInfo rootPath = new DirectoryInfo(path);
initArray(path, rootPath);
showTwoListBox();
l.Close();
l.Dispose();
}
catch (Exception ex) { }
}
//显示该页的tablelayout，maxshow为一页包含多少项
private void showPage(int page)
{
#region 计算本页面显示的图片索引
int startIndex = (page - 1) * maxshow;
int lastIndex = startIndex + maxshow - 1;
if (lastIndex > imglist.Count - 1)
{
lastIndex = imglist.Count - 1;
}
int thisPageRow;
if ((lastIndex - startIndex + 1) % 5 == 0)
{
thisPageRow = (lastIndex - startIndex + 1) / 5;
}
else
{
thisPageRow = ((lastIndex - startIndex) / 5) + 1;
}
#endregion
loadingForm l = new loadingForm();
l.Show();
Application.DoEvents();
initFilePanel(thisPageRow);//调用函数对FilePanel进行绘制
//两个label中的信息更新-----------------------------------
label_fileCount.Text = "共有 " + imglist.Count + " 张图片";
label_FormTo.Text = "从第 " + (startIndex + 1) + " 项到第 " + (lastIndex + 1) + " 项";
//进行分页，避免一次性载入所有图像带来卡顿以及内存不足----
int count = startIndex;
for (int r = 0; r < thisPageRow; r++)
{
for (int c = 0; c < 5; c++)
{
if (count == lastIndex + 1)
{
break;
}
PictureBox pBox = new PictureBox();
//------------------------------------------------------------
//制作略缩图的几个方法，有待使用
//ResourceImage = Image.FromFile(imglist[count].ToString());
//Image im = GetReducedImage(20);
//ResourceImage = GetReducedImage(20);
//pBox.Image = im;
//------------------------------------------------------------
pBox.Load(imglist[count].ToString());
pBox.Tag = count;
pBox.Cursor = System.Windows.Forms.Cursors.Hand;
pBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom;
pBox.Dock = System.Windows.Forms.DockStyle.Fill;
pBox.Click += new System.EventHandler(tab_Click);
tabPanel.Controls.Add(pBox, c, r);
count++;
}
}
l.Close();
l.Dispose();
System.GC.Collect();
}