protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
switch (keyData)
{
case Keys.O:
ReadList();
if (picList.Count() != 0)
{
PlayList();
}
return(true);
case Keys.Left:
case Keys.Up:
///这里有一个不在播放状态下按方向键会崩溃的问题
if (iPic > 1)
{
iPic--;
picPath = p.path + "\\" + p.prefix + " (" + iPic.ToString() + ")." + p.extension;
this.pictureBox1.Load(picPath);
}
timer.Stop();
timer.Start();
return(true);
case Keys.Right:
case Keys.Down:
if (iPic < p.numPic)
{
iPic++;
picPath = p.path + "\\" + p.prefix + " (" + iPic.ToString() + ")." + p.extension;
this.pictureBox1.Load(picPath);
}
timer.Stop();
timer.Start();
return(true);
case Keys.PageUp:
iGroup = (iGroup + picList.Count - 1) % picList.Count();
p = picList[iGroup];
iPic = 1;
picPath = p.path + "\\" + p.prefix + " (" + iPic.ToString() + ")." + p.extension;
this.pictureBox1.Load(picPath);
timer.Interval = (int)(p.stepTime * 1000);
return(true);
case Keys.PageDown:
iGroup = (iGroup + 1) % picList.Count();
p = picList[iGroup];
iPic = 1;
picPath = p.path + "\\" + p.prefix + " (" + iPic.ToString() + ")." + p.extension;
this.pictureBox1.Load(picPath);
timer.Interval = (int)(p.stepTime * 1000);
return(true);
}
return(false);
}
private void ReadList()
{
OpenFileDialog file = new OpenFileDialog();
file.InitialDirectory = ".";
file.Filter = "文本文件|*.txt";
file.ShowDialog();
if (file.FileName != string.Empty)
{
try
{
string pathname = file.FileName; //获得文件的绝对路径
Stream s = file.OpenFile();
StreamReader sr = new StreamReader(s);
string text;
text = sr.ReadLine();
while (text != null)
{
if (text == string.Empty || text.StartsWith("*") == true)
{
text = sr.ReadLine();
continue;
}
string[] split = text.Split(new Char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
PicGroup p = new PicGroup
{
prefix = split[0],
extension = split[1],
stepTime = double.Parse(split[2]),
path = pathname.Substring(0, pathname.LastIndexOf('\\')) //不包含最后的反斜杠
};
int iFile = 1;
while (File.Exists(p.path + "\\" + p.prefix + " (" + iFile.ToString() + ")." + p.extension))
{
iFile++;
}
p.numPic = iFile - 1;
picList.Add(p);
text = sr.ReadLine();
}
sr.Close();
s.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
private void ReadList(string listPath)
{
try
{
Stream s = File.Open(listPath, FileMode.Open);
StreamReader sr = new StreamReader(s);
string text;
text = sr.ReadLine();
while (text != null)
{
if (text == string.Empty || text.StartsWith("*") == true)
{
text = sr.ReadLine();
continue;
}
string[] split = text.Split(new Char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
PicGroup p = new PicGroup
{
prefix = split[0],
extension = split[1],
stepTime = double.Parse(split[2]),
path = listPath.Substring(0, listPath.LastIndexOf('\\')) //不包含最后的反斜杠
};
int iFile = 1;
while (File.Exists(p.path + "\\" + p.prefix + " (" + iFile.ToString() + ")." + p.extension))
{
iFile++;
}
p.numPic = iFile - 1;
picList.Add(p);
text = sr.ReadLine();
}
sr.Close();
s.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void PlayList()
{
int currentIndex;
for (int i = 0; i < picList.Count; i++)
{
currentIndex = random.Next(0, picList.Count - i);
PicGroup p_temp = picList[currentIndex];
picList[currentIndex] = picList[picList.Count - 1 - i];
picList[picList.Count - 1 - i] = p_temp;
}
timer.AutoReset = true;
iGroup = 0;
p = picList[iGroup];
iPic = 1;
picPath = p.path + "\\" + p.prefix + " (" + iPic.ToString() + ")." + p.extension;
this.pictureBox1.Load(picPath);
timer.Interval = (int)(p.stepTime * 1000);
timer.Start();
timer.Elapsed += new System.Timers.ElapsedEventHandler((sender, e) =>
{
if (iPic < p.numPic)
{
iPic++;
picPath = p.path + "\\" + p.prefix + " (" + iPic.ToString() + ")." + p.extension;
this.pictureBox1.Load(picPath);
}
else
{
iGroup = (iGroup + 1) % picList.Count();
p = picList[iGroup];
iPic = 1;
picPath = p.path + "\\" + p.prefix + " (" + iPic.ToString() + ")." + p.extension;
this.pictureBox1.Load(picPath);
timer.Interval = (int)(p.stepTime * 1000);
}
});
}