Menjelaskan mengenai cara membuat
notify form yang menggunakan
effect transparent hover - Apa yang dimaksud dengan notify form itu? notify form adalah form yang bertugas memberitahukan sesuatu kepada user, umumnya notify form muncul sebelah kanan bagian bawah. Beberapa software yang menggunakan notify form diantaranya: Mozilla Firefox, Orbit Downloader, IDM, Avira, software-software Anti Virus, dan banyak lagi. Untuk membuat notify form, khususnya yang memiliki effect transparent hover (terinspirasi dari software notepad++ pada dialog findnya), copy dan pastekan kode di bawah ini:
'----------------------------------------------------------------------------------------------------------
'http://khoiriyyah.blogspot.com
'coder: Administrator
'----------------------------------------------------------------------------------------------------------
Option Explicit
Dim blnHighlighted As Boolean
Dim blnMouseDownClick As Boolean 'bug fixed on flickering
Private Type POINTAPI
X As Long
Y As Long
End Type
Private Declare Function ScreenToClient Lib "user32" (ByVal hwnd As Long, lpPoint As POINTAPI) As Long
Private Declare Function GetCursorPos Lib "user32" (lpPoint As POINTAPI) As Long
Private Declare Function GetSystemMetrics Lib "user32" (ByVal nIndex As Long) As Long
Private Declare Sub InitCommonControls Lib "COMCTL32.DLL" ()
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private Declare Function SetLayeredWindowAttributes Lib "user32" (ByVal hwnd As Long, ByVal color As Long, ByVal X As Byte, ByVal alpha As Long) As Boolean
Const LWA_BOTH = 3
Const LWA_ALPHA = 2
Const LWA_COLORKEY = 1
Const GWL_EXSTYLE = -20
Const WS_EX_LAYERED = &H80000
Dim iTransparant As Integer
Dim blnUp As Boolean
Private Sub Form_Initialize()
InitCommonControls
End Sub
Private Sub MakeTransparan(hWndBro As Long, iTransp As Integer)
On Error Resume Next
Dim ret As Long
ret = GetWindowLong(hWndBro, GWL_EXSTYLE)
SetWindowLong hWndBro, GWL_EXSTYLE, ret Or WS_EX_LAYERED
SetLayeredWindowAttributes hWndBro, RGB(255, 255, 0), iTransp, LWA_ALPHA
Exit Sub
End Sub
Private Sub cmdOK_Click()
'Kode selanjutnya disini ....
blnUp = False
tmrNotify.Enabled = True
End Sub
Private Sub cmdCancel_Click()
'kode selanjutnya disini ....
blnUp = False
tmrNotify.Enabled = True
End Sub
Private Sub Form_Load()
MakeTransparan Me.hwnd, 100
Top = ((GetSystemMetrics(17) + GetSystemMetrics(4)) * Screen.TwipsPerPixelY)
Left = (GetSystemMetrics(16) * Screen.TwipsPerPixelX) - Width
blnUp = True
End Sub
Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
blnMouseDownClick = True
End Sub
Private Sub Form_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
If blnHighlighted Then Exit Sub
blnHighlighted = True
tmrSemiTransparent.Enabled = True
MakeTransparan Me.hwnd, 255
End Sub
Private Sub Form_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
blnMouseDownClick = False
End Sub
Private Sub tmrSemiTransparent_Timer()
If blnMouseDownClick Then Exit Sub
Dim pt As POINTAPI
GetCursorPos pt
ScreenToClient hwnd, pt
If (pt.X < 0 Or pt.Y < 0) Or _
(pt.X > (Me.ScaleLeft + Me.ScaleWidth) / Screen.TwipsPerPixelX) Or _
(pt.Y > (Me.ScaleTop + Me.ScaleHeight) / Screen.TwipsPerPixelY) Then
blnHighlighted = False
tmrSemiTransparent.Enabled = False
MakeTransparan Me.hwnd, 100
End If
End Sub
Private Sub tmrNotify_Timer()
Const s = 100
Dim v As Single
v = (GetSystemMetrics(17) + GetSystemMetrics(4)) * Screen.TwipsPerPixelY
If blnUp = True Then
If Top - s <= v - Height Then
Top = Top - (Top - (v - Height))
tmrNotify.Enabled = False
Else
Top = Top - s
End If
Else
Top = Top + s
If Top >= v Then End
End If
End Sub
