get_iconT_get_iconGetIconGetIconget_icon (算子名称)

名称

get_iconT_get_iconGetIconGetIconget_icon — Query the icon for region output

参数签名

get_icon( : Icon : WindowHandle : )

描述

get_iconget_iconGetIconGetIconGetIconget_icon queries the icon that was set with set_iconset_iconSetIconSetIconSetIconset_icon.

运行信息

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

参数表

IconIconIconIconiconicon (output_object) region → object

Icon for the regions center of gravity.

WindowHandleWindowHandleWindowHandleWindowHandlewindowHandlewindow_handle (input_control) window → (handle)

Window handle.

例程 (C)

/* draw a region and an icon.  */
/* set it and get it again.    */
T_draw_region(&Region,WindowHandle);
T_draw_region(&Icon,WindowHandle);
set_icon(Icon);
create_tuple_s(&icon,"icon");
T_set_shape(WindowHandle,icon);
destroy_tuple(icon);
T_disp_region(Region,WindowHandle);
get_icon(&OldIcon);
T_disp_region(OldIcon,WindowHandle);

结果

get_iconget_iconGetIconGetIconGetIconget_icon always returns 2 ( H_MSG_TRUE) .

可能的前置算子

set_iconset_iconSetIconSetIconSetIconset_icon

可能的后置算子

disp_regiondisp_regionDispRegionDispRegionDispRegiondisp_region

模块

Foundation

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