GetLastError (Kernel32)

Usage

    <DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Auto)>
    Public Shared Function SetWindowText(hWnd As IntPtr, lpString As String) As Boolean
    End Function
    Private Declare Function GetLastError Lib "kernel32" () As Integer

        Dim aa As Integer
        SetWindowText(New IntPtr(123), "123")
        aa = GetLastError