[求助]返回对话框是怎么实现的?
<p>cad中比如矩阵,填充命令,都会有按钮让你选择图形,选择完后,返回原对话框。</p><p>这是怎么实现的?</p><p> (action_tile "pickup" "(pick)")</p><p>(defun pick()<br/> (setq en (car (entsel "选取对象:")))</p><p>);不退出对话框画面。</p> <p>如果用(action_tile "pickup" "(done_dialog 2)")</p><p>执行完后,怎么返回对话框呢?</p> 用while循环实现。
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