Membuat Tray Icon

Declare Function Shell_NotifyIcon Lib "shell32.dll" Alias _
"Shell_NotifyIconA" (ByVal dwMessage As Long, lpData As _
NOTIFYICONDATA) As Long

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 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 NIF_DOALL = NIF_MESSAGE Or NIF_ICON Or NIF_TIP

Public Const WM_MOUSEMOVE = &H200
Public Const WM_LBUTTONDBLCLK = &H203
Public Const WM_LBUTTONDOWN = &H201
Public Const WM_RBUTTONDOWN = &H204

// put in form
Private Sub Command1_Click()
CreateIcon
End Sub

Private Sub Command2_Click()
DeleteIcon
End Sub

Private Sub Picture1_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
X = X / Screen.TwipsPerPixelX
Select Case X
Case WM_LBUTTONDOWN
Caption = "Left Click"
Case WM_RBUTTONDOWN
Caption = "Right Click"
Case WM_MOUSEMOVE
Caption = "Move"
Case WM_LBUTTONDBLCLK
Caption = "Double Click"
End Select

End Sub

Public Sub CreateIcon()
Dim Tic As NOTIFYICONDATA
Tic.cbSize = Len(Tic)
Tic.hwnd = Picture1.hwnd
Tic.uID = 1&
Tic.uFlags = NIF_DOALL
Tic.uCallbackMessage = WM_MOUSEMOVE
Tic.hIcon = Me.Icon
Tic.szTip = "Visual Basic Demo Project" & Chr$(0)
erg = Shell_NotifyIcon(NIM_ADD, Tic)
End Sub

Public Sub DeleteIcon()
Dim Tic As NOTIFYICONDATA
Tic.cbSize = Len(Tic)
Tic.hwnd = Picture1.hwnd
Tic.uID = 1&
erg = Shell_NotifyIcon(NIM_DELETE, Tic)
End Sub