Thank you for writing.
We have such bug report in our Feedback Portal. You can find the report here: UI for Winforms Feedback Portal - FIX. Windows8 and VisualStudio2012Light themes cause RadTextBox and controls which contain TextBoxItem to have a black background when disabled
. The issue is resolved and will be released with our next version - Q3 2014
. For the time being you can use the workaround specified in the item. Namely:
For the RadTextBox, set the BackColor of the RootElement to white:
textBox.RootElement.BackColor = Color.White;
For the RadMaskedEditBox, set the BackColor of the TextBoxItem to white:
maskedEditBox.MaskedEditBoxElement.TextBoxItem.BackColor = Color.White;
For the RadDateTimePicker, set the BackColor of the TextBoxItem to white as follows:
dateTimePicker.DateTimePickerElement.TextBoxElement.TextBoxItem.BackColor = Color.White;
For any other control which uses RadTextBoxItem you can use similar approach to set the BackColor.
I hope this helps.
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