目录一、下拉列表框QComboBox二、下拉多选一、下拉列表框QComboBox QComboBox是一个集按钮和下拉选项于一体的控件，也称为下拉列表框。
I want to turn auto-correction on/off based on the content in the text field. For example, if the user is typing a phrase like \"Machine tools\" I want auto-correction to be on (for the rest of the w
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