public Tuple <string, int> GetValidKeyResponse(List <string> validKeys)
{
// same as above, but only keys from the validKeys list will be accepted
// program will not proceed until a correct key is pressed so make sure the user knows what to do
if (validKeys.Count == 0)
{
return(null);
}
parentPage.Movable = false;
var watch = System.Diagnostics.Stopwatch.StartNew();
CurrentKey = "";
bool stillTesting = true;
while (stillTesting)
{
Wait(100);
if (CurrentKey.Length == 2 && CurrentKey[0] == 'D')
{
CurrentKey = CurrentKey.Remove(0, 1);
}
foreach (string vk in validKeys)
{
if (CurrentKey == vk)
{
stillTesting = false;
break;
}
}
}
watch.Stop();
parentPage.Movable = true;
return(new Tuple <string, int>(CurrentKey, (int)watch.ElapsedMilliseconds));
}
/*************************** KEYBOARD ***************************/
public Tuple <string, int> GetKeyResponse()
{
// usage: GetKeyResponse().Item1 will return the capital letter corresponding to the next key pressed by the user
// GetKeyResponse().Item2 will return time before getting the response (in milliseconds)
// do not use for keys other than A-Z or 0-9 (unless you know their windows codes)
parentPage.Movable = false;
var watch = System.Diagnostics.Stopwatch.StartNew();
CurrentKey = "";
while (CurrentKey == "")
{
Wait(100);
}
watch.Stop();
if (CurrentKey.Length == 2 && CurrentKey[0] == 'D')
{
CurrentKey = CurrentKey.Remove(0, 1); // remove windows code for digits
}
parentPage.Movable = true;
return(new Tuple <string, int>(CurrentKey, (int)watch.ElapsedMilliseconds));
}