# HGE::Input_KeyDown Tests if a key was pressed down during the last frame.
    bool Input_KeyDown(
      int key
    );
## Parameters key Specifies one of virtual-key codes. For more information see Key codes section. ## Return value If the key was pressed down during the last frame, returns true. Otherwise returns false. ## Remarks Input_KeyDown handles keyboard keys and mouse buttons. The key states are updated outside user's frame function. So don't use Input_KeyDown in a loop to wait a key to be pressed or released, this will result in system hang up. ## Requirements Header: hge.h Import library: hge.lib ## See also Input_KeyUp, Input_GetKeyName, Input_GetKey, Input_GetChar, Key codes