dev_update_timedev_update_timeDevUpdateTimeDevUpdateTimedev_update_time (算子)

名称

dev_update_timedev_update_timeDevUpdateTimeDevUpdateTimedev_update_time — 为算子打开或关闭时间测量功能。

签名

dev_update_time( : : DisplayMode : )

描述

dev_update_timedev_update_timeDevUpdateTimeDevUpdateTimeDevUpdateTimedev_update_time controls whether the execution time of an operator is displayed.

For measuring the execution time of a sequence of operators all update options should be switched off in order to reduce the influence of the runtime of GUI updates in HDevelop. For this the operators dev_update_pcdev_update_pcDevUpdatePcDevUpdatePcDevUpdatePcdev_update_pc, dev_update_timedev_update_timeDevUpdateTimeDevUpdateTimeDevUpdateTimedev_update_time, dev_update_vardev_update_varDevUpdateVarDevUpdateVarDevUpdateVardev_update_var, and dev_update_windowdev_update_windowDevUpdateWindowDevUpdateWindowDevUpdateWindowdev_update_window or the procedures dev_update_on and dev_update_off can be used.

This option can also be controlled via the Preferences dialog: Edit -> Preferences -> Runtime Settings -> Show Processing Time.

注意

此算子不支持代码导出。

参数

DisplayModeDisplayModeDisplayModeDisplayModedisplayModedisplay_mode (输入控制) string → (string)

Mode for graphic output.

默认值： 'off' "off" "off" "off" "off" "off"

值列表： 'off'"off""off""off""off""off", 'on'"on""on""on""on""on"

结果

If the values of the specified parameters are correct, dev_update_timedev_update_timeDevUpdateTimeDevUpdateTimeDevUpdateTimedev_update_time 返回 2 ( H_MSG_TRUE )。否则，将抛出一个异常并返回错误代码。

另见

dev_update_pcdev_update_pcDevUpdatePcDevUpdatePcDevUpdatePcdev_update_pc, dev_update_windowdev_update_windowDevUpdateWindowDevUpdateWindowDevUpdateWindowdev_update_window, dev_update_vardev_update_varDevUpdateVarDevUpdateVarDevUpdateVardev_update_var

模块

基础

算子