query_insertT_query_insertQueryInsertQueryInsertquery_insert (算子名称)

名称

query_insertT_query_insertQueryInsertQueryInsertquery_insert — Query the possible graphic modes.

警告

query_insertquery_insertQueryInsertQueryInsertQueryInsertquery_insert is obsolete and is only provided for reasons of backward compatibility.

参数签名

query_insert( : : WindowHandle : Mode)

描述

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.

运行信息

多线程类型:可重入(与非独占操作符并行运行)。
多线程作用域:全局(可以从任何线程调用)。
未经并行化处理。

参数表

WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle (input_control) window → (handle)

Window handle.

ModeModeModeModemodemode (output_control) string-array → (string)

Display function name.

结果

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

可能的后置算子

set_insertset_insertSetInsertSetInsertSetInsertset_insert, disp_regiondisp_regionDispRegionDispRegionDispRegiondisp_region

参考其它

set_insertset_insertSetInsertSetInsertSetInsertset_insert, get_insertget_insertGetInsertGetInsertGetInsertget_insert

模块

Foundation

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