[VB] Efecto Degradado

'By xmbeat
'to foro.elhacker.net/programacion VB
 
Private Function Color(Col As Long) As Integer()
Const B As Long = 65536 'constante que es el resultado de 256 al Cuadrado
Const G As Long = 256
Dim elRGB(2) As Integer
Col = Abs(Col)
'aqui pueden usar el OleTranslateColor para usar los colores del sistema _
pero no lo use para no contradecir el titulo del post
elRGB(2) = Col \ B 'hacemos la operacion inversa de la funcion RGB()
elRGB(1) = (Col Mod B) \ G
elRGB(0) = (Col Mod B) Mod G
Color = elRGB
End Function
 
Sub Gradient(Formulario As Object, Inicio As OLE_COLOR, Final As OLE_COLOR, Optional Min As Long = 0, Optional _
Max As Long = 256)
With Formulario
.AutoRedraw = True
'min es donde empezará a pintar y Max es donde terminará de hacerlo
Dim I As Integer
Dim Ini() As Integer
Dim Fin() As Integer
Dim Dif As Long
Dim Ant As Long
Dim R As Byte, G As Byte, B As Byte
 
On Error Resume Next
Ant = .ScaleHeight
.ScaleHeight = 256
Ini = Color(Inicio)
Fin = Color(Final)
Dif = Max - Min
 
For I = Min To Max
R = Ini(0) + ((Fin(0) - Ini(0)) / Dif) * (I - Min)
G = Ini(1) + ((Fin(1) - Ini(1)) / Dif) * (I - Min)
B = Ini(2) + ((Fin(2) - Ini(2)) / Dif) * (I - Min)
Formulario.Line (0, I)-(.ScaleWidth, I + 1), RGB(R, G, B), BF
 
Next I
 
.ScaleHeight = Ant
End With
End Sub
 
 
 
Private Sub Form_Resize()
Const Text0 As String = "By Xmbeat"
Gradient Me, RGB(80, 80, 80), vbBlack, , 100
Gradient Me, vbBlack, RGB(10, 19, 50), 100
Me.FontSize = 24
Me.FontBold = True
Me.CurrentY = (Me.ScaleHeight - Me.TextHeight(Text0)) / 2
Me.CurrentX = (Me.ScaleWidth - Me.TextWidth(Text0)) / 2
Me.ForeColor = vbWhite
Print Text0
End Sub

ya me han