string str1 = ((ComboBoxItem)this.cboBoxRate1553B.Items[this.cboBoxRate1553B.SelectedIndex]).Tag.ToString(); string str2 = (this.cboBoxRate1553B.SelectedItem as ComboBoxItem).Tag.ToString(); 不知道为什么只能先转换为var 或者string类型,再转化为其他类型. I have a combo box lik…
android无法静态显示ui效果. Missing styles. Is the correct theme chosen for this layout? Use the Theme combo box above the layout to choose a different layout, or fix the theme style references. Failed to find style 'textViewStyle' in current theme 採用的解决方法例如以…