ENH: Add getter for Andor VSSpeed Index value used

Author: jamesobutler

src/PlusDataCollection/Andor/vtkPlusAndorVideoSource.cxx

@@ -1011,6 +1011,12 @@ PlusStatus vtkPlusAndorVideoSource::SetVSSpeedIndex(int index)
   return PLUS_SUCCESS;
 }
 
+// ----------------------------------------------------------------------------
+int vtkPlusAndorVideoSource::GetVSSpeedIndex()
+{
+  return this->VSSpeedIndex;
+}
+
 // ----------------------------------------------------------------------------
 float vtkPlusAndorVideoSource::GetVSSpeed()
 {

src/PlusDataCollection/Andor/vtkPlusAndorVideoSource.h

@@ -78,6 +78,7 @@ class vtkPlusDataCollectionExport vtkPlusAndorVideoSource: public vtkPlusDevice
 
   /*! Set index to use in the vertical shift speed table. */
   PlusStatus SetVSSpeedIndex(int index);
+  int GetVSSpeedIndex();
 
   /*! Get the actual VS Speed in microseconds per pixel shift for the current VSSpeed index. */
   float GetVSSpeed();