The DeviceGray colour space: one component, 0 black to 1 white.
public sealed class PdfDeviceGrayColorSpace : PdfColorSpace
ISO 32000-2 §8.6.4.2. The initial colour space of the graphics state (Table 51); its initial colour is 0.
kind:method, kind:property, kind:ctor. Press Esc to clear.ComponentCountGets the number of components of a colour value in this space; 0 for a Pattern space without an underlying space.FamilyGets the colour space family.InstanceGets the one instance.