query_insertT_query_insertQueryInsertQueryInsertquery_insert (Operator)

Name

query_insertT_query_insertQueryInsertQueryInsertquery_insert — Query the possible graphic modes.

Warning

query_insertquery_insertQueryInsertQueryInsertQueryInsertquery_insert is obsolete and is only provided for reasons of backward compatibility.

Signature

query_insert( : : WindowHandle : Mode)

Description

query_insertquery_insertQueryInsertQueryInsertQueryInsertquery_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
'complement':: complement displayed pixels

“copy” is always available.

Execution Information

Multithreading type: reentrant (runs in parallel with non-exclusive operators).
Multithreading scope: global (may be called from any thread).
Processed without parallelization.

Parameters

WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle (input_control) window → (handle)

Window handle.

ModeModeModeModemodemode (output_control) string-array → (string)

Display function name.

Result

query_insertquery_insertQueryInsertQueryInsertQueryInsertquery_insert returns 2 ( H_MSG_TRUE) , if the window is valid. Otherwise an exception is raised.

Possible Successors

set_insertset_insertSetInsertSetInsertSetInsertset_insert, disp_regiondisp_regionDispRegionDispRegionDispRegiondisp_region

Module

Foundation

Operators