Menekan Tombol dengan kode

Berikut cara menekan Tombol / Button menggunakan kode, jadi tanpa melakukan klik menggunakan pointer mouse.

Tulis kode berikut di event '(Declarations)' dari Form
[ VB 6.0 ]

Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long

Private Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long)

[ VB .NET ]

Private Declare Function SendMessage Lib"user32.dll" Alias "SendMessageA"(ByVal hwnd As Integer, ByVal wMsg As Integer, ByVal wParam As Integer, ByRef lParam As Object) As Integer

Const WM_LBUTTONDOWN = &H201
Const WM_LBUTTONUP = &H202

Sekarang untuk mempraktekkannya gunakan kode seperti berikut :
 [ VB 6.0 ]

SendMessage Command1.hwnd, &HF3, 1, 0
Sleep 150
SendMessage Command1.hwnd, &HF3, 0, 0

Command1.Value = True

[ VB .NET ]

SendMessage(Button1.Handle, WM_LBUTTONDOWN, 0, 0)
Application.DoEvents()
Threading.Thread.Sleep(150)
SendMessage(Button1.Handle, WM_LBUTTONUP, 0, 0)

Button1.PerformClick()