BLINK

Option Explicit

Const FLASHW_STOP = 0 'Stop flashing. The system restores the window to its original state.
Const FLASHW_CAPTION = &H1 'Flash the window caption.
Const FLASHW_TRAY = &H2 'Flash the taskbar button.
Const FLASHW_ALL = (FLASHW_CAPTION Or FLASHW_TRAY) 'Flash both the window caption and taskbar button. This is equivalent to setting the FLASHW_CAPTION Or FLASHW_TRAY flags.
Const FLASHW_TIMER = &H4 'Flash continuously, until the FLASHW_STOP flag is set.
Const FLASHW_TIMERNOFG = &HC 'Flash continuously until the window comes to the foreground.

Private Type FLASHWINFO
    cbSize As Long
    hwnd As Long
    dwFlags As Long
    uCount As Long
    dwTimeout As Long
End Type

Private Declare Function FlashWindowEx Lib "user32" (pfwi As FLASHWINFO) As Boolean

Dim FlashInfo As FLASHWINFO

Private Sub Form_Load()
   'KPD-Team 1999
   'URL: http://www.allapi.net/
   'E-Mail: KPDTeam@Allapi.net
   'Specifies the size of the structure.
   FlashInfo.cbSize = Len(FlashInfo)
   'Specifies the rate, in milliseconds, at which the window will be flashed. If dwTimeout is zero, the function uses the default cursor blink rate.
   FlashInfo.dwTimeout = 0
   'Handle to the window to be flashed. The window can be either opened or minimized.
   FlashInfo.hwnd = Me.hwnd
   'Specifies the number of times to flash the window.
   FlashInfo.uCount = 0
End Sub

Private Sub FlashStart()
   'Specifies the flash status
   FlashInfo.dwFlags = FLASHW_ALL Or FLASHW_TIMER
   FlashWindowEx FlashInfo
End Sub
   
Private Sub FlashStop()
   FlashInfo.dwFlags = FLASHW_STOP
   FlashWindowEx FlashInfo
End Sub