How to find whether the DrawerPanel is showing or not?

This requirement is achieved by using its function named IsDrawerShowing.

//To Define if DrawerPanel is Showing or not
if(this.navigationDrawer1.IsDrawerShowing())
{
// Do necessary settings here
}
'To Define if DrawerPanel is Showing or not
If Me.navigationDrawer1.IsDrawerShowing() Then
'Do necessary settings here
End If