2006 System Variables B-C

From the help files... 2006 system variables beginning with the letters 'B' and 'C':

BACTIONCOLOR
Sets the text color of actions in the Block Editor. Valid values include BYLAYER, BYBLOCK, and an integer from 1 to 255.
Valid values for True Colors are a string of integers each from 1 to 255 separated by commas and preceded by RGB. The True Color setting is entered as follows:
RGB:000,000,000

BDEPENDENCYHIGHLIGHT
Controls whether or not dependent objects are dependency highlighted when a parameter, action, or grip is selected in the Block Editor.
0
Specifies that dependent objects are not highlighted
1
Specifies that dependent objects are highlighted
Dependency highlighting displays objects with a halo effect.

BGRIPOBJCOLOR
Sets the color of grips in the Block Editor. Valid values include BYLAYER, BYBLOCK, and an integer from 1 to 255.
Valid values for True Colors are a string of integers each from 1 to 255 separated by commas and preceded by RGB. The True Color setting is entered as follows:
RGB:000,000,000

BGRIPOBJSIZE
Sets the display size of custom grips in the Block Editor relative to the screen display. Valid values include an integer from 1 to 255.
Use the REGEN command to update the display size of custom grips in the Block Editor.

BLOCKEDITLOCK
Disallows opening of the Block Editor and editing of dynamic block definitions. When BLOCKEDITLOCK is set to 1, double-clicking a dynamic block in a drawing opens the Reference Edit dialog box. If the block contains attributes, double-clicking the block reference opens the Enhanced Attribute Editor
0
Specifies that the Block Editor can be opened
1
Specifies that the Block Editor cannot be opened

BLOCKEDITOR
Reflects whether or not the Block Editor is open.
0
Indicates that the Block Editor is not open
1
Indicates that the Block Editor is open

BPARAMETERCOLOR
Sets the color of parameters in the Block Editor. Valid values include BYLAYER, BYBLOCK, and an integer from 1 to 255.
Valid values for True Colors are a string of integers each from 1 to 255 separated by commas and preceded by RGB. The True Color setting is entered as follows:
RGB:000,000,000

BPARAMETERFONT
Sets the font used for parameters and actions in the Block Editor.
You can specify either a True Type font or a SHX font (for example, Verdana or Verdana.ttf). You must add the .shx extension to specify an AutoCAD SHX font. When specifying an Asian Big Font, use the following naming convention: an SHX file followed by a comma (,), followed by the Big Font file name (for example, Simplex.shx,Bigfont.shx).

BPARAMETERSIZE
Sets the size of parameter text and features in the Block Editor relative to the screen display. Valid values include an integer from 1 to 255.

BTMARKDISPLAY
Controls whether or not value set markers are displayed for dynamic block references.
0
Specifies that value set markers are not displayed
1
Specifies that value set markers are displayed

BVMODE
Controls how objects that are made invisible for the current visibility state are displayed in the Block Editor.
0
Specifies that hidden objects are not visible
1
Specifies that hidden objects are visible but dimmed

CALCINPUT
Controls whether mathematical expressions and global constants are evaluated in text and numeric entry boxes of windows and dialog boxes.
0
Expressions are not evaluated
1
Expressions are evaluated after you press the END key

CENTERMT
Controls how grips stretch multiline text that is centered horizontally. CENTERMT does not apply to stretching multiline text by using the ruler in the In-Place Text Editor.
0
When you move a corner grip in centered multiline text, the center grip moves in the same direction, and the grip on the opposite side remains in place
1
When you move a corner grip in centered multiline text, the center grip stays in place, and both sets of side grips move in the direction of the stretch

CLISTATE
Stores a value that indicates whether the command window is hidden or displayed.
0
Hidden
1
Displayed

CMDINPUTHISTORYMAX
Sets the maximum number of previous input values that are stored for a prompt in a command. Display of the history of user input is controlled by the INPUTHISTORYMODE system variable.

CROSSINGAREACOLOR
Controls the color of the selection area during crossing selection. The valid range is 1 to 255. The SELECTIONAREA system variable must be on.