Code:
Declare Auto Function SendMessage Lib "user32.dll" (ByVal hWnd As IntPtr, ByVal msg As Integer, _
ByVal wParam As Integer, ByVal lParam As Integer) As Integer
Code:
Public Class Form1
Declare Auto Function SendMessage Lib "user32.dll" (ByVal hWnd As IntPtr, ByVal msg As Integer, _
ByVal wParam As Integer, ByVal lParam As Integer) As Integer
Private Sub btnYellow_Click(sender As System.Object, e As System.EventArgs) Handles btnYellow.Click
SendMessage(ProgressBar1.Handle, &H400 + 16, &H3, 0) 'YELLOW
End Sub
Private Sub btnRed_Click(sender As System.Object, e As System.EventArgs) Handles btnRed.Click
SendMessage(ProgressBar1.Handle, &H400 + 16, &H2, 0) 'RED
End Sub
Private Sub btnGreen_Click(sender As System.Object, e As System.EventArgs) Handles btnGreen.Click
SendMessage(ProgressBar1.Handle, &H400 + 16, &H1, 0) 'GREEN
End Sub
End Class
Source : unknown
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