Sets the graphical properties for the selected component definition.
The categories that are displayed in the Symbol Settings dialog box depend on which class you choose to edit. Classes fall into the following categories:

Lists the name of the symbol and block used to control the geometry that is displayed for a component after it is inserted into a drawing.
Defines the name of the symbol. Property is read-only when modifying an existing symbol.
Defines the block that is displayed when the component is used. Click the [...] button to open the Select Block Drawing dialog box, where you choose from a list of available blocks in the Select Block dialog box from the selected drawing.
Lists the general properties that are assigned to a component when it is inserted into a drawing.
Defines the layer on which the symbol is applied.
Defines the color applied to the symbol. The style color can be different than the layer color.
Defines the linetype applied to the symbol. You can also define the linetype by layer or by block.
Defines the linetype scale applied to the symbol.
Displays the plot styles applied to the symbol.
Defines the lineweight applied to the symbol.
Lists other properties that are assigned to a component when it is inserted into a drawing.
Sets the scale for the symbol when it is inserted in a drawing.
The scale specified doesn’t affect the scaling of control valves when it is inserted in a drawing.
Sets whether users are prompted to scale the symbol when it is inserted in a drawing.
Sets whether scaling is uniform or XY-independent. This option is available only when Scale on Insert is set to yes.
Sets whether users are prompted to rotate the symbol when it is inserted in a drawing.
Sets whether users are prompted to mirror the symbol when it is inserted in a drawing.
Sets whether users are prompted to tag the symbol when it is inserted in a drawing. This field is displayed for all style types except off-page connectors, and lines and instrument signal connectors.
Defines the join type applied to a symbol. This field is displayed for all style types except lines, off-page connectors, and lines and instrument signal connectors. One of the following join types can be assigned to a symbol:
Sets whether a component has nozzles attached automatically when a pipe line is connected to a component. This field is displayed for all style types except lines, off-page connectors, and lines and instrument signal connectors.
Defines the nozzle style. This field is displayed for all style types except lines, off-page connectors, and lines and instrument signal connectors.