This code smoothly rotates the colour of a picture box. Create a form and add a timer and a picture box name the picture box pic. Then add this code to the timer and watch the color rotate. Don’t forget to give an interval to the timer.
Static Red As Integer
Static Green As Integer
Static Blue As Integer
Static Color As Byte
Static Dir As Boolean
Randomize
If Rnd < 0.05 Then
Color = Int(3 * Rnd)
End If
Select Case Color
Case 0
If Red > 240 Then
Dir = False
ElseIf Red < 15 Then
Dir = True
End If
If Dir = True Then
Red = Red + 10
Else
Red = Red - 10
End If
Case 1
If Green > 240 Then
Dir = False
ElseIf Green < 15 Then
Dir = True
End If
If Dir = True Then
Green = Green + 10
Else
Green = Green - 10
End If
Case 2
If Blue > 240 Then
Dir = False
ElseIf Blue < 15 Then
Dir = True
End If
If Dir = True Then
Blue = Blue + 10
Else
Blue = Blue - 10
End If
End Select
Pic.BackColor = RGB(Red, Green, Blue)