asked on

Convert string to object?

Hello

I have a boolean:

Dim test as boolean = false

and now I have a string "test"

how can I now directly get from the string "test" to

test = true?

I tried

Private Sub setvalue(ByVal a As Object, ByVal value As String)
a.value = Convert.ToBoolean(value)
End Sub

but it did not work?

Thanks a lot

Sven

ASKER CERTIFIED SOLUTION

Mike Tomlinson

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Mike Tomlinson

You can also use Reflection. I'll see if I can find an example...

Mike Tomlinson

Here is an example using Reflection:

Public Class Form1
Inherits System.Windows.Forms.Form

Private _test As Boolean = False

Private Property test() As Boolean
Get
Return _test
End Get
Set(ByVal Value As Boolean)
_test = Value
End Set
End Property

Public Sub SetValue(ByVal obj As Object, ByVal name As String, ByVal value As Object)
Dim p As System.Reflection.PropertyInfo = _
obj.GetType.GetProperty(name, _
Reflection.BindingFlags.Instance Or _
Reflection.BindingFlags.Public Or _
Reflection.BindingFlags.NonPublic Or _
Reflection.BindingFlags.IgnoreCase)
If Not IsNothing(p) Then
p.SetValue(obj, value, Nothing)
End If
End Sub

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim varName As String = "test"
MsgBox(test, MsgBoxStyle.Information, "Before")

SetValue(Me, varName, True)
MsgBox(test, MsgBoxStyle.Information, "After")
End Sub

End Class

Ruttensoft

ASKER

Hi, your mind is never idle...... very quick and superb answer, thanks a lot (used the first bits of code)

Thanks

Sven