How to add an icon to the tray
One of the questions that occurs most often in the VB Q and A forum is how to add an icon to the tray area of the Windows 95 taskbar.This tip will show you how to add and delete the icon,and also trap the mouse events.
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Mã nguồn
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 = Picture1.Picture
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
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
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