public static void CreateThumbnails(string iFile, string oFile, int time)
{
VideoFile videoInfo = GetVideoInfo(iFile);
oFile = ShellPathNameConvert.ToShortPathName(Path.GetDirectoryName(oFile)) + "\\" + Path.GetFileName(oFile);
iFile = ShellPathNameConvert.ToShortPathName(iFile);
var num = videoInfo.Duration.TotalSeconds / 2.0;
if (num > 8.0)
{
num = 8.0;
}
var arguments = string.Format(" -y -i {0} -f image2 -ss {2}.001 -s 240x180 {1}", iFile, oFile, time);
var p = CreateProcess(ffmpeg, arguments);
RunProcess(p);
}
private const string UpgraderProgram = "AutoUpgrade.exe"; //升级程序文件名
/// <summary>
/// 检查版本
/// </summary>
/// <param name="AppExit">退出应用程序</param>
public static void CheckVersion(ref bool AppExit)
{
AppExit = false;
string checkResultFile = Application.StartupPath + "\\" + Guid.NewGuid().ToString().Replace("-", "") + ".ver"; //临时文件
string upgrader = Application.StartupPath + "\\" + UpgraderProgram;
File.WriteAllText(checkResultFile, ""); //创建空文件
checkResultFile = ShellPathNameConvert.ToShortPathName(checkResultFile); //转换为DOS文件名
Process pro = new Process();
pro.StartInfo = new ProcessStartInfo(upgrader, Arg_CheckVersion + " " + checkResultFile);
pro.StartInfo.UseShellExecute = false;
pro.Start();
pro.WaitForExit(); //等待检查
if (File.Exists(checkResultFile))
{
string result = File.ReadAllText(checkResultFile);
File.Delete(checkResultFile); //删除临时文件
if ((result != "") && (int.Parse(result) > 0)) //有新版本
{
if (Msg.AskQuestion("服务器上有新版本下载, 需要下载吗?"))
{
AppExit = true;
Process.Start(upgrader, Arg_MainEXECall);
}
else
{
Msg.ShowInformation("您没有升级版本，不能运行程序！");
AppExit = true;
}
return;
}
}
}