private void ListViewUpdate(List <string> imageNames)//更新listview中的内容,listview中是已扫描过的视频
{
imageList1.Images.Clear();
listView1.Clear();
int pic_size = 256;
for (int i = imageNames.Count - 1; i >= 0; i--)
{
if (!File.Exists(imageNames[i]))
{
service.RemoveFlie(imageNames[i]);
imageNames.Remove(imageNames[i]);
continue;
}
Bitmap bm = WindowsThumbnailProvider.GetThumbnail(imageNames[i], pic_size, pic_size, ThumbnailOptions.None);
Image img = Image.FromHbitmap(bm.GetHbitmap());
imageList1.Images.Add(img);
}
for (int i = imageNames.Count - 1; i >= 0; i--)
{
ListViewItem lvi = new ListViewItem();
lvi.ImageIndex = imageNames.Count - 1 - i;
lvi.Name = imageNames[i];
lvi.Text = System.IO.Path.GetFileNameWithoutExtension(imageNames[i]);
listView1.Items.Add(lvi);
}
listView1.EndUpdate();
}
private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
openFileDialog1.Filter = "mp4文件|*.mp4|mkv文件|*.mkv|avi文件|*。avi";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
string url = openFileDialog1.FileName;
axWindowsMediaPlayer1.URL = url;
try
{
string fileName = System.IO.Path.GetFileNameWithoutExtension(openFileDialog1.FileName);
currentMovie = new Video(fileName, openFileDialog1.FileName);
if (!listBox1.Items.Contains(openFileDialog1.SafeFileName))
{
Bitmap bm = WindowsThumbnailProvider.GetThumbnail(url, 256, 256, ThumbnailOptions.None);
Image img = Image.FromHbitmap(bm.GetHbitmap());
imageList1.Images.Add(img);
listBox1.Items.Add(fileName);
movieList.Add(currentMovie);
}
axWindowsMediaPlayer1.Ctlcontrols.play();
}
catch
{
MessageBox.Show("播放失败");
}
}
}
//----------------------------------------------------------------------------------
private void ListViewUpdate(List <string> imageNames)//更新listview中的内容
{
imageList1.Images.Clear();
listView1.Clear();
int pgbSpeed = 0;
if (imageNames.Count != 0)
{
progressBar1.Value = 0;
progressBar1.Visible = true;
pgbSpeed = 100 / imageNames.Count;
}
int pic_size = 256;
for (int i = imageNames.Count - 1; i >= 0; i--)
{
if (!File.Exists(imageNames[i]))
{
service.RemoveFlie(imageNames[i]);
imageNames.Remove(imageNames[i]);
continue;
}
Bitmap bm = WindowsThumbnailProvider.GetThumbnail(imageNames[i], pic_size, pic_size, ThumbnailOptions.None);
Image img = Image.FromHbitmap(bm.GetHbitmap());
imageList1.Images.Add(img);
progressBar1.Value += pgbSpeed;
}
for (int i = imageNames.Count - 1; i >= 0; i--)
{
ListViewItem lvi = new ListViewItem();
lvi.ImageIndex = imageNames.Count - 1 - i;
lvi.Name = imageNames[i];
lvi.Text = System.IO.Path.GetFileNameWithoutExtension(imageNames[i]);
//string str = imageNames[i];
//string[] name = str.Split('\\');
//lvi.Text = name[name.Length - 1];
listView1.Items.Add(lvi);
}
progressBar1.Value = 100;
progressBar1.Visible = false;
progressBar1.Value = 0;
listView1.EndUpdate();
}
//异步实现视频缩略图的获取和主界面listview的刷新
//--------------------------------------------------------------------------
public void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
//...执行线程任务
List <string> imageNames = service.GetAllVideos();
int pic_size = 256;
for (int i = imageNames.Count - 1; i >= 0; i--)
{
if (!File.Exists(imageNames[i]))
{
service.RemoveFlie(imageNames[i]);
imageNames.Remove(imageNames[i]);
continue;
}
Bitmap bm = WindowsThumbnailProvider.GetThumbnail(imageNames[i], pic_size, pic_size, ThumbnailOptions.None);
Image img = Image.FromHbitmap(bm.GetHbitmap());
//在线程中更新UI（通过ReportProgress方法）
backgroundWorker1.ReportProgress((1 - i / imageNames.Count) * 100, img);
}
}
//更新listview中的内容,listview中是该列表的视频
private void ListViewUpdate(List <string> Videos)
{
imageList1.Images.Clear();
listView1.Clear();
List <string> BindedVideos = service.GetBindedVideos(ListID);
List <string> ImageNames = new List <string>();
int pic_size = 256;
for (int i = Videos.Count - 1; i >= 0; i--)
{
string imageName = Videos[i];
if (!File.Exists(imageName))
{
service.RemoveFlie(imageName);
Videos.Remove(imageName);
continue;
}
Bitmap bm = WindowsThumbnailProvider.GetThumbnail(imageName, pic_size, pic_size, ThumbnailOptions.None);
Image img = Image.FromHbitmap(bm.GetHbitmap());
imageList1.Images.Add(img);
ImageNames.Add(imageName);
if (BindedVideos.Contains(imageName))
{
List <string> Document = service.GetFilesOfVideo(ListID, imageName);
for (int j = Document.Count - 1; j >= 0; j--)
{
if (!File.Exists(Document[j]))
{
service.RemoveDocument(Document[j]);
Document.Remove(Document[j]);
continue;
}
string extension = Document[j].Substring(Document[j].LastIndexOf(".") + 1,
Document[j].Length - Document[j].LastIndexOf(".") - 1);
Image img1;
switch (extension)
{
case "pdf":
img1 = imageList2.Images[0];
imageList1.Images.Add(img1);
break;
case "ppt":
img1 = imageList2.Images[1];
imageList1.Images.Add(img1);
break;
case "pptx":
img1 = imageList2.Images[1];
imageList1.Images.Add(img1);
break;
case "doc":
img1 = imageList2.Images[2];
imageList1.Images.Add(img1);
break;
case "docx":
img1 = imageList2.Images[2];
imageList1.Images.Add(img1);
break;
}
ImageNames.Add(Document[j]);
}
}
}
for (int i = 0; i < ImageNames.Count; i++)
{
ListViewItem lvi = new ListViewItem();
lvi.ImageIndex = i;
lvi.Name = ImageNames[i];
lvi.Text = System.IO.Path.GetFileNameWithoutExtension(ImageNames[i]);
listView1.Items.Add(lvi);
}
listView1.EndUpdate();
}