Bueno, aca les dejo una mini clase para crear progressbars con API, es realmente simple pero viene bien cuando no queres incluir una referencia a los controles de VB por una simple barra de progreso.
'---------------------------------------------------------------------------------------
' Module : cProgBar
' DateTime : 28/07/2008 09:23
' Author : Cobein
' Mail : cobein27@hotmail.com
' WebPage : http://cobein27.googlepages.com/vb6
' Purpose : Mini ProgressBar class
' Usage : At your own risk
' Requirements: None
' Distribution: You can freely use this code in your own
' applications, but you may not reproduce
' or publish this code on any web site,
' online service, or distribute as source
' on any media without express permission.
'
' History : 28/07/2008 First Cut....................................................
'---------------------------------------------------------------------------------------
Option Explicit
Private Const PROGRESS_CLASSA As String = "msctls_progress32"
Private Const WS_VISIBLE As Long = &H10000000
Private Const WS_CHILD As Long = &H40000000
Private Const WM_USER As Long = &H400
Private Const PBM_SETPOS As Long = (WM_USER + 2)
Private Const PBS_SMOOTH As Long = &H1
Private Const PBS_VERTICAL As Long = &H4
Private Declare Function CreateWindowEx Lib "user32" Alias "CreateWindowExA" (ByVal dwExStyle As Long, ByVal lpClassName As String, ByVal lpWindowName As String, ByVal dwStyle As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hWndParent As Long, ByVal hMenu As Long, ByVal hInstance As Long, lpParam As Any) As Long
Private Declare Function DestroyWindow Lib "user32" (ByVal hwnd As Long) As Long
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 c_lhWnd As Long
Private c_lVal As Long
Public Function CreateProgBar( _
ByVal lhWndOwner As Long, _
ByVal Left As Long, _
ByVal Top As Long, _
ByVal Width As Long, _
ByVal Heght As Long, _
Optional ByVal bHorizontal As Boolean = True, _
Optional ByVal bSmooth As Boolean = False) As Boolean
Dim lFlag As Long
lFlag = WS_CHILD Or WS_VISIBLE
If Not bHorizontal Then lFlag = lFlag Or PBS_VERTICAL
If bSmooth Then lFlag = lFlag Or PBS_SMOOTH
If Not c_lhWnd = 0 Then Class_Terminate
c_lhWnd = CreateWindowEx(0, PROGRESS_CLASSA, vbNullString, _
lFlag, Left, Top, Width, Heght, _
lhWndOwner, vbNull, App.hInstance, ByVal 0&)
CreateProgBar = Not (c_lhWnd = 0)
End Function
Public Property Let Value(ByVal lVal As Long)
If Not c_lhWnd = 0 Then
c_lVal = lVal
Call SendMessage(c_lhWnd, PBM_SETPOS, ByVal lVal, ByVal 0&)
End If
End Property
Public Property Get Value() As Long
Value = c_lVal
End Property
Private Sub Class_Initialize()
'
End Sub
Private Sub Class_Terminate()
If Not c_lhWnd = 0 Then
Call DestroyWindow(c_lhWnd)
c_lhWnd = 0
End If
End Sub
Mostrar Mensajes
