1  // Copyright (c) Microsoft Corporation
 2  // The Microsoft Corporation licenses this file to you under the MIT license.
 3  // See the LICENSE file in the project root for more information.
 4  
 5  using System.Windows.Input;
 6  
 7  using Wox.Plugin;
 8  
 9  namespace PowerLauncher.Helper
10  {
11      internal sealed class KeyboardHelper
12      {
13          public static SpecialKeyState CheckModifiers()
14          {
15              SpecialKeyState state = new SpecialKeyState();
16              if ((Keyboard.GetKeyStates(Key.LeftShift) & KeyStates.Down) > 0 ||
17                  (Keyboard.GetKeyStates(Key.RightShift) & KeyStates.Down) > 0)
18              {
19                  state.ShiftPressed = true;
20              }
21  
22              if ((Keyboard.GetKeyStates(Key.LWin) & KeyStates.Down) > 0 ||
23                  (Keyboard.GetKeyStates(Key.RWin) & KeyStates.Down) > 0)
24              {
25                  state.WinPressed = true;
26              }
27  
28              if ((Keyboard.GetKeyStates(Key.LeftCtrl) & KeyStates.Down) > 0 ||
29                  (Keyboard.GetKeyStates(Key.RightCtrl) & KeyStates.Down) > 0)
30              {
31                  state.CtrlPressed = true;
32              }
33  
34              if ((Keyboard.GetKeyStates(Key.LeftAlt) & KeyStates.Down) > 0 ||
35                  (Keyboard.GetKeyStates(Key.RightAlt) & KeyStates.Down) > 0)
36              {
37                  state.AltPressed = true;
38              }
39  
40              return state;
41          }
42      }
43  }