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(acad_colordlg color-number [flag])

Display the Select Color dialog box.

This function displays the Color dialog box. This function returns the color number that the user selects from the dialog box or nil when the user clicks the Cancel button.

The function accepts two optional arguments:

Argument Meaning Example Range
color-number Color Number 1 0 - 256
flag Flag nil nil or true (which is the same as not using the flag)


    • The color-number argument lets you provide a default color. When clrno is 0, the default is BYBLOCK; when clrno is 256, the default is BYLAYER.
    • When nil, the dialog box disables the BYBLOCK and BYLAYER buttons.


Code Result
(acad_colordlg 1) Displays dialog box with color 1 (red) selected as the default.
(acad_colordlg 1 nil) Displays dialog box with color 1 (red) selected as the default, and the BYBLOCK and BYLAYER buttons are disabled.

NOTE The first eight color numbers have the following meanings:

Number Color
1 Red
2 Yellow
3 Green
4 Cyan (light blue)
5 Blue
6 Magenta (pink)
7 Black
8 Gray

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LISP Compatibility

Programming Overview of LISP (LISt Processing) Language

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