system tray

[Nielzeman]

How can I make a program run on the background with an icon in the system tray ?

thanx

Use the Shell_NotifyIcon api function to place your program in the system tray.


Declare Function Shell_NotifyIcon Lib "shell32" Alias "Shell_NotifyIconA" (ByVal dwMessage As Long, pnid As NOTIFYICONDATA) As Boolean
Public Declare Function SetForegroundWindow Lib "user32" (ByVal hwnd As Long) As Long

Public Const NIM_ADD = &H0
Public Const NIM_MODIFY = &H1
Public Const NIM_DELETE = &H2
Public Const NIF_MESSAGE = &H1
Public Const NIF_ICON = &H2
Public Const NIF_TIP = &H4
Public Const WM_LBUTTONUP = &H202
Public Const WM_RBUTTONUP = &H205
Public Const WM_MOUSEMOVE = &H200


Public Type NOTIFYICONDATA
cbSize As Long
hwnd As Long
uId As Long
uFlags As Long
ucallbackMessage As Long
hIcon As Long
szTip As String * 64
End Type

Public VBGTray As NOTIFYICONDATA


'Form Declarations:
Private Sub GoSystemTray()
VBGTray.cbSize = Len(VBGTray)
VBGTray.hwnd = Me.hwnd
VBGTray.uId = vbNull
VBGTray.uFlags = NIF_ICON Or NIF_TIP Or NIF_MESSAGE
VBGTray.ucallbackMessage = WM_MOUSEMOVE
VBGTray.hIcon = Me.Icon
'tool tip text
VBGTray.szTip = Me.Caption & vbNullChar
Call Shell_NotifyIcon(NIM_ADD, VBGTray)
App.TaskVisible = False 'remove application from taskbar
Me.Hide
End Sub

'Form Code:

Private Sub Form_MouseMove(button As Integer, Shift As Integer, X As Single, Y As Single)
Static lngMsg As Long
Static blnFlag As Boolean
Dim result As Long
lngMsg = X / Screen.TwipsPerPixelX
If blnFlag = False Then
blnFlag = True
Select Case lngMsg
'right-click
Case WM_RBUTTONUP
result = SetForegroundWindow(Me.hwnd)
PopupMenu MyPopUpMenu
Case WM_LBUTTONUP
result = SetForegroundWindow(Me.hwnd)
PopupMenu MyPopUpMenu
End Select
blnFlag = False
End If
End Sub

Private Sub Form_Resize()
If Me.WindowState = 1 Then
Call GoSystemTray
End If
End Sub

Private Sub Form_Unload(Cancel As Integer)
VBGTray.cbSize = Len(VBGTray)
VBGTray.hwnd = Me.hwnd
VBGTray.uId = vbNull
Call Shell_NotifyIcon(NIM_DELETE, VBGTray)
Unload Me
Set Form1 = Nothing
End
End Sub