XQueryColors(display, colormap, defs_in_out, ncolors)
Display *display;
Colormap colormap;
XColor defs_in_out[];
int ncolors;
| display | Specifies the connection to the X server. |
| colormap | Specifies the colormap. |
| defs_in_out | Specifies and returns an array of color definition structures for the pixel specified in the structure. |
| ncolors | Specifies the number of XColor structures in the color definition array. |
XQueryColors() can generate BadColor and BadValue errors.
| BadColor | A value for a Colormap argument does not name a defined Colormap. |
| BadValue | Some numeric value falls outside the range of values accepted by the request. Unless a specific range is specified for an argument, the full range defined by the argument's type is accepted. Any argument defined as a set of alternatives can generate this error. |