public static extern Status XStoreColor(IntPtr display, Colormap colormap, ref XColor color);
public static extern int XQueryColor(IntPtr display, Colormap colormap, ref XColor def_in_out);
public static extern Status XLookupColor(IntPtr display, Colormap colormap, IntPtr color_name,
ref XColor exact_def_return, ref XColor screen_def_return);
public static extern Status XAllocColor(IntPtr display, Colormap colormap, ref XColor screen_in_out);
public static extern Status XParseColor(IntPtr display, Colormap colormap, string spec, ref XColor xcolor_return);
public static extern Cursor XCreatePixmapCursor(IntPtr display, Pixmap source, Pixmap mask,
ref XColor foreground_color, ref XColor background_color, uint x, uint y);
public static extern Status XRecolorCursor(IntPtr display, Cursor cursor,
ref XColor foreground_color, ref XColor background_color);
public static extern Cursor XCreateGlyphCursor(IntPtr display, Font source_font, Font mask_font, uint source_char,
uint mask_char, ref XColor foreground_color, ref XColor background_color);