GraphicsWindow.LastKey

[litdev]

Please try the subroutine method which sets key and Lastkey before the loop, you don't appear to be doing this.

This works every time for me, so I feel there may be something else going on in your program and would like to understand that first.  There are other ways also to just wait for a Return key press as I suggested so don't want to add a 'weird hack' feature to change something that I think may be covering up some other issue and could get you or others into other problems.

Can you share an actual (simplified if possible) program that shows the issue I can reproduce, using the WaitForReturnKey subroutine below.

Code:

GraphicsWindow.Show()

While ("True")
  WaitForReturnKey()
  GraphicsWindow.BackgroundColor = GraphicsWindow.GetRandomColor()
EndWhile

Sub WaitForReturnKey
  key = "" 'Make sure key isn't initially Return before LastKey sets it
  LDTextWindow.SendKey(GraphicsWindow.Title,"Space") 'Send a Space key so initially LastKey is not Return
  Program.Delay(10)
  While key <> "Return"
    key = GraphicsWindow.Lastkey
    Program.Delay(10) 'Don't mash cpu
  EndWhile
EndSub

Another way to do it:

Code:

GraphicsWindow.Show()
GraphicsWindow.KeyDown = OnKeyDown

While ("True")
  WaitForReturnKey()
  GraphicsWindow.BackgroundColor = GraphicsWindow.GetRandomColor()
EndWhile

Sub WaitForReturnKey
  key = ""
  While (key <> "Return")
    Program.Delay(10)
  EndWhile
EndSub

Sub OnKeyDown
  key = GraphicsWindow.LastKey
EndSub

And another:

Code:

GraphicsWindow.Show()

While ("True")
  WaitForReturnKey()
  GraphicsWindow.BackgroundColor = GraphicsWindow.GetRandomColor()
EndWhile

Sub WaitForReturnKey
  While (LDUtilities.KeyDown("Return") <> "True")
    Program.Delay(10)
  EndWhile
EndSub