Efek Tetesan Air Diatas Monitor dengan visual basic

Pada tulisan kali ini penulis ingin berbagi/share sedikit tutorial pemrograman, Tutorial ini tentang sebuah aplikasi yang dibuat dengan menggunakan Visual Basic 6.0 yaitu efek tetesan air di monitor, Sehingga monitor kompi kita nantinya tampak menjadi lebih hidup dan berwarna. . .hahaha, Mungkin tutorial ini masih sederhana sehingga masih dapat dikembangkan lagi. Oke langsung aja deh, Let's Cekidot...

- Pertama-tama buka project baru dan buat sebuah form
- Lalu masukan timer kedalam form dengan enabled = true dan interval = 1
- Next, Isikan coding berikut pada form dan jalankan

Option Explicit
Private Declare Function GetWindowDC Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function GetDesktopWindow Lib "user32" () As Long
Private Declare Function CreateCompatibleBitmap Lib "gdi32" (ByVal hdc As Long, ByVal nWidth As Long, ByVal nHeight As Long) As Long
Private Declare Function CreateCompatibleDC Lib "gdi32" (ByVal hdc As Long) As Long
Private Declare Function SelectObject Lib "gdi32" (ByVal hdc As Long, ByVal hObject As Long) As Long
Private Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long
Private Const SRCCOPY = &HCC0020 ' (DWORD) dest = source
Dim x As Integer, y As Integer
Dim Buffer As Long, hBitmap As Long, Desktop As Long, hScreen As Long, ScreenBuffer As Long

Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)
If KeyCode = vbKeyEscape Then
Unload Me
End If
End Sub

Private Sub Form_Load()
Desktop = GetWindowDC(GetDesktopWindow())
hBitmap = CreateCompatibleDC(Desktop)
hScreen = CreateCompatibleDC(Desktop)
Buffer = CreateCompatibleBitmap(Desktop, 32, 32)
ScreenBuffer = CreateCompatibleBitmap(Desktop, Screen.Width / 15, Screen.Height / 15)
SelectObject hBitmap, Buffer
SelectObject hScreen, ScreenBuffer
BitBlt hScreen, 0, 0, Screen.Width / 15, Screen.Height / 15, Desktop, 0, 0, SRCCOPY
End Sub

Private Sub Form_Unload(Cancel As Integer)
BitBlt Desktop, 0, 0, Screen.Width / 15, Screen.Height / 15, hScreen, 0, 0, SRCCOPY
End Sub

Private Sub timer1_Timer()
y = (Screen.Height / 15) * Rnd
x = (Screen.Width / 15) * Rnd
BitBlt hBitmap, 0, 0, 32, 32, Desktop, x, y, SRCCOPY
BitBlt Desktop, x + (3 - 6 * Rnd), y + (2 - 4 * Rnd), 32, 32, hBitmap, 0, 0, SRCCOPY
End Sub

Kalian bisa download contoh programnya disini

source http://stephanusvincent.blogspot.com/

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