Hi,
The layercontrol in the image is a ToolbarControl added to CUI Toolbar, these are predefined controls you can only add them to a toolbar.
I don't think you can edit the control.
Can you please let me know what is your objective ?
like layercontrol, you can create new ToolbarControl based on control types.
public enum ControlType
{
LayerControl = 1,
LineTypeControl = 2,
OPTColorControl = 3,
LineWeightControl = 4,
RefblknameControl = 5,
ArrayEditNameControl = 6,
ViewportScaleControl = 7,
ViewControl = 8,
PlotStyleControl = 9,
UCSControl = 10,
DimStyleControl = 11,
UndoSkinnyButtonControl = 12,
RedoSkinnyButtonControl = 13,
TxtStyleControl = 14,
TblStyleControl = 15,
NamedViewControl = 16,
WorkspacesControl = 17,
MldStyleControl = 18,
FindTextControl = 19,
ContentSearchControl = 20,
CustomControl = 21,
_3DNavViewComboCtrl = 5000,
_3DNavZoomSliderControl = 5001,
_3DNavStepSizeSliderControl = 5002,
_3DNavStepsPerSecSliderControl = 5003,
_3DNavPointTriplet1 = 5004,
_3DNavPointTriplet2 = 5005,
LightSliderControl1 = 5006,
LightSliderControl2 = 5007,
LightSliderControl3 = 5008,
LightSliderControl4 = 5009,
LightSliderControl5 = 5010,
LightColorCorrectCtrl = 5011,
RenderStyleControl = 5012,
RenderProgressControl = 5013,
RenderImageQualityControl = 5014,
RenderOutputFileControl = 5015,
RenderOutputSizeControl = 5016,
VSStylesComboControl = 5017,
VSEdgeColorControl = 5018,
VSEdgeOverhangSliderControl = 5019,
VSJitterEdgeSliderControl = 5020,
VSSilhouetteEdgeWidthSliderControl = 5021,
VSObscuredEdgeColorControl = 5022,
VSIntersectionEdgeColorControl = 5023,
LayerStateComboControl = 5024,
LayerLockTransparencySliderControl = 5025,
LayerFilterComboControl = 5026,
TextHeightComboControl = 5027
}