MediaStateChangeEventHandler Delegate

Media component sends notification, when its state changes.

Parameters

sender (Object): The source of the event.

state (MediaState): Status information from media state.

Examples

CopyC#

                /// <summary>
/// Update UI when media state changes.
/// </summary>
/// <param name="sender"></param>
/// <param name="State"></param>
private void gxsms1_OnMediaStateChange(object sender, Gurux.Common.MediaState State)
{
    try
    {
        bool IsOpen = State == Gurux.Common.MediaState.Open;
        OpenBtn.Enabled = ! IsOpen;
        SendBtn.Enabled = IsOpen;
        CloseBtn.Enabled = IsOpen;
        SendText.Enabled = IsOpen;
        StatusTimer.Enabled = IsOpen;
        MsgCounterTimer.Enabled = IsOpen;
        ReadBtn.Enabled = IsOpen;
        DeleteBtn.Enabled = IsOpen;
        //read network status if media is opened.
        if (IsOpen)
        {
            StatusTimer_Tick(StatusTimer, new System.EventArgs());
        }
        else
        {
            RSSITB.Text = "";
            BERTB.Text = "";
            BatteryCapacityTB.Text = "";
            PowerConsumptionTB.Text = "";
            NetworkStatusTB.Text = "";
        }
    }
    catch (Exception Ex)
    {
        MessageBox.Show(Ex.Message);
    }
}

CopyVB.NET

                ''' <summary>
''' Update UI when media state changes.
''' </summary>
Private Sub Gxsms1_OnMediaStateChange(ByVal sender As System.Object, ByVal State As Gurux.Common.MediaState) Handles Gxsms1.OnMediaStateChange
    Try
        Dim IsOpen As Boolean
        IsOpen = State = Gurux.Common.MediaState.Open
        OpenBtn.Enabled = Not IsOpen
        SendBtn.Enabled = IsOpen
        CloseBtn.Enabled = IsOpen
        SendText.Enabled = IsOpen
        StatusTimer.Enabled = IsOpen
        MsgCounterTimer.Enabled = IsOpen
        ReadBtn.Enabled = IsOpen
        DeleteBtn.Enabled = IsOpen
        'read network status if media is opened.
        If IsOpen Then
            StatusTimer_Tick(StatusTimer, New System.EventArgs())
        Else
            RSSITB.Text = ""
            BERTB.Text = ""
            BatteryCapacityTB.Text = ""
            PowerConsumptionTB.Text = ""
            NetworkStatusTB.Text = ""
        End If
    Catch Ex As Exception
        MessageBox.Show(Ex.Message)
    End Try
End Sub

CopyVBScript

                'Update UI is media state changes.
Private Sub GXSMS1_OnMediaStateChange(ByVal sender As Object, ByVal State As GuruxSMSCtl.GX_MEDIA_STATE_CHANGE)
On Error GoTo GXErr
    Dim IsOpen As Boolean
    IsOpen = State = GX_MEDIA_STATE_CHANGE_OPEN
    OpenBtn.Enabled = Not IsOpen
    SendBtn.Enabled = IsOpen
    CloseBtn.Enabled = IsOpen
    SendText.Enabled = IsOpen
    StatusTimer.Enabled = IsOpen
    MsgCounterTimer.Enabled = IsOpen
    ReadBtn.Enabled = IsOpen
    DeleteBtn.Enabled = IsOpen
    'read network status if media is opened.
    If IsOpen Then
        StatusTimer_Timer
    Else
        RSSITB.Text = ""
        BERTB.Text = ""
        BatteryCapacityTB.Text = ""
        PowerConsumptionTB.Text = ""
        NetworkStatusTB.Text = ""
    End If
    Exit Sub
GXErr:
    MsgBox Err.Description
End Sub