Get window characteristics.
The operator get_window_attr can be used to read characteristics of graphics windows that were set using set_window_attr. The following parameters of a window may be queried:
'border_width' Width of the window border in pixels. 'border_color' Color of the window border. 'background_color' Background color of the window. 'window_title' Name of the window in the titlebar.
|
AttributeName (input_control) |
string -> string |
| Name of the attribute that should be returned. | |
| List of values: 'border_width', 'border_color', 'background_color', 'window_title' | |
|
AttributeValue (output_control) |
string -> string / integer |
| Attribute value. | |
If the parameters are correct get_window_attr returns 2 (H_MSG_TRUE). If necessary an exception handling is raised.
get_window_attr is reentrant, local, and processed without parallelization.
open_window, set_draw, set_color, set_colored, set_line_width, open_textwindow
System
