Query the possible graphic modes.
::query_insert returns the possible modes pixels can be displayed in the output window. New pixels may e.g. overwrite old ones. In most of the cases there is a functional relationship between old and new values.
Possible display functions: 'copy' overwrite displayed pixels 'xor' display old "xor" new pixels 'not' complement displayed pixels
"copy" is always available.
|
WindowHandle (input_control) |
window -> HTuple.long |
| Window_id. | |
|
Mode (output_control) |
string-array -> HTuple.char * |
| Display function name. | |
::query_insert returns H_MSG_TRUE, if the window is valid. Otherwise an exception handling is raised.
System
