private static Dictionary <int, string> GetProcessTitleMap(IEnumerable <Process> processes)
{
var res = new Dictionary <int, string>();
foreach (var p in processes)
{
var title = EnumWindows.GetTitle(p.MainWindowHandle);
res[p.Id] = title;
}
return(res);
}
public bool WaitUntilTitleStartsWith(string startsWith, int timeoutMs = 10000)
{
const int waitStep = 1000;
var end = DateTime.UtcNow.AddMilliseconds(timeoutMs);
while (true)
{
var title = EnumWindows.GetTitle(Process.MainWindowHandle);
var good = title.StartsWith(startsWith);
var tdiff = end - DateTime.UtcNow;
if (good || tdiff <= TimeSpan.Zero)
{
return(good);
}
Thread.Sleep(Math.Min(waitStep, (int)tdiff.TotalMilliseconds));
}
}
/// <summary>
/// Switch to the main window of the process.
/// If 'Process' is null a new process will be created.
/// If unable to get the window from the process will attempt to find the window
/// with <paramref name="titleMatch"/>.
/// </summary>
/// <param name="titleMatch">Match the title</param>
/// <param name="titleWaitTimeOutMs">The time out for waiting the window</param>
/// <returns>If successful</returns>
private bool SwitchTo(Func <string, bool> titleMatch = null,
int titleWaitTimeOutMs = 10000)
{
const int waitStep = 1000;
var prevProcesses = GetAllExistingProcess();
var prevTitleMap = GetProcessTitleMap(prevProcesses);
bool processWasNull = Process == null;
if (processWasNull)
{
var psi = new ProcessStartInfo
{
FileName = ProcessPath,
Arguments = Arguments
};
Process = Process.Start(psi);
Thread.Sleep(MaximizeDelay);
}
if (Process.HasExited)
{
var diffProcesses = GetDiff(prevTitleMap);
if (diffProcesses.Length == 1 && titleMatch == null)
{
Process = diffProcesses[0];
SwitchToThisWindow();
return(true);
}
else if (titleMatch != null)
{
var lastReg = DateTime.UtcNow;
var end = lastReg.AddMilliseconds(titleWaitTimeOutMs);
while (true)
{
var tdiff = end - DateTime.UtcNow;
var elapsed = DateTime.UtcNow - lastReg;
if (elapsed.TotalMilliseconds > 3000)
{
diffProcesses = GetDiff(prevTitleMap);
lastReg = DateTime.UtcNow;
}
foreach (var process in diffProcesses)
{
var title = EnumWindows.GetTitle(process.MainWindowHandle);
var found = titleMatch(title);
if (found)
{
Process = process;
SwitchToThisWindow();
return(true);
}
else if (tdiff <= TimeSpan.Zero)
{
return(false);
}
}
Thread.Sleep(Math.Min(waitStep, (int)tdiff.TotalMilliseconds));
}
}
else
{
return(false);
}
}
else
{
if (titleMatch != null)
{
var processes = GetAllExistingProcess();
var lastReg = DateTime.UtcNow;
var end = lastReg.AddMilliseconds(titleWaitTimeOutMs);
while (true)
{
var tdiff = end - DateTime.UtcNow;
var elapsed = DateTime.UtcNow - lastReg;
if (elapsed.TotalMilliseconds > 3000)
{
processes = GetAllExistingProcess();
lastReg = DateTime.UtcNow;
}
foreach (var process in processes)
{
var title = EnumWindows.GetTitle(process.MainWindowHandle);
if (titleMatch(title))
{
Process = process;
SwitchToThisWindow();
return(true);
}
else if (tdiff <= TimeSpan.Zero)
{
return(false);
}
}
}
}
else
{
SwitchToThisWindow();
return(true);
}
}
}