1   
2   //---------------------------------------------------------------------------
3   
4   #include <vcl.h>
5   #pragma hdrstop
6   
7   #include "Unit1.h"
8   //---------------------------------------------------------------------------
9   #pragma package(smart_init)
10  #pragma resource "*.dfm"
11  TForm1 *Form1;
12  //---------------------------------------------------------------------------
13  __fastcall TForm1::TForm1(TComponent* Owner)
14          : TForm(Owner)
15  {
16  }
17  //---------------------------------------------------------------------------
18  
19  void __fastcall TForm1::Button1Click(TObject *Sender)
20  {
21   // [Window key] + 'M' minimizes all windows, [Win][Shift] + 'M' restores
22    keybd_event( VK_LWIN, MapVirtualKey( VK_LWIN, 0), 0, 0 );
23    keybd_event( VK_SHIFT, MapVirtualKey( VK_SHIFT, 0), 0, 0 );
24    keybd_event( 77, MapVirtualKey( 77, 0), 0, 0 );
25    keybd_event( 77, MapVirtualKey( 77, 0), KEYEVENTF_KEYUP, 0 );
26    keybd_event( VK_SHIFT, MapVirtualKey( VK_SHIFT, 0), KEYEVENTF_KEYUP, 0 );
27    keybd_event( VK_LWIN, MapVirtualKey( VK_LWIN, 0), KEYEVENTF_KEYUP, 0 );
28  
29  }
30  //---------------------------------------------------------------------------
31  
32  void __fastcall TForm1::Button2Click(TObject *Sender)
33  {
34  //[Window key] + 'M' minimizes all windows, [Win][Shift] + 'M' restores
35  
36    keybd_event( VK_LWIN, MapVirtualKey( VK_LWIN, 0), 0, 0 );
37    keybd_event( 77, MapVirtualKey( 77, 0), 0, 0 );
38    keybd_event( 77, MapVirtualKey( 77, 0), KEYEVENTF_KEYUP, 0 );
39    keybd_event( VK_LWIN, MapVirtualKey( VK_LWIN, 0), KEYEVENTF_KEYUP, 0 );
40  
41  }
42  //---------------------------------------------------------------------------
43