Problem
You want your script to get a single keypress from the user.
Solution
For most purposes, use the [Console]::ReadKey() method to read a key: PS >$key = [Console]::ReadKey($true)
PS >$key
KeyChar
Key
Modifiers
h
H
Alt
For highly interactive use (for example, when you care about key down and key up), use:
PS >$key = $host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown") PS >$key
VirtualKeyCode Character ControlKeyState KeyDown 16 ...ssed, NumLockOn True
PS >$key.ControlKeyState ShiftPressed, NumLockOn
Discussion
For most purposes, the [Console]::ReadKey() is the best way to get a keystroke from a user, as it accepts simple keypresses—as well as more complex keypresses that might include the Ctrl, Alt, and Shift keys.
The following function emulates the DOS pause command:
function Pause
{ WriteHost NoNewLine "Press any key to continue . . . " [Console]::ReadKey($true) | OutNull WriteHost
}
If you need to capture individual key down and key up events (including those of the Ctrl, Alt, and Shift keys), use the $host.UI.RawUI.ReadKey() method.
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