private void btAudioSettings_Click(object sender, EventArgs e) { string name = cbAudioCodecs.Text; if (VideoCaptureCore.Audio_Codec_Has_Dialog(name, VFPropertyPage.Default)) { VideoCaptureCore.Audio_Codec_Show_Dialog(IntPtr.Zero, name, VFPropertyPage.Default); } else if (VideoCaptureCore.Audio_Codec_Has_Dialog(name, VFPropertyPage.VFWCompConfig)) { VideoCaptureCore.Audio_Codec_Show_Dialog(IntPtr.Zero, name, VFPropertyPage.VFWCompConfig); } }