本文介绍了删除QComboBox“下拉”动画的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我使用Qt 4.8，并希望摆脱下拉动画时点击一个QComboBox。我也想移动它一点。到目前为止，我一直在寻找重新实现showPopup和hidePopup，但不能弄清楚如何使其工作。
I am using Qt 4.8 and would like to get rid of the "Drop-Down" animation when clicking on a QComboBox. I also want to move it a bit. So far I've been looking at re-implementing showPopup and hidePopup but can't figure out how to make it work.
此外，每次我尝试移动或style使用CSS有一个白色的背景，总是存在。 （见图）。
Additionally, every time I try to move or style using CSS there is a white background that is always there. (See picture). Any help would be appreciated.
推荐答案
使用：
QApplication::setEffectEnabled(Qt::UI_AnimateCombo, false);
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