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70-511 · Question #105
70-511 Question #105: Real Exam Question with Answer & Explanation
The correct answer is B. Add the following DataTrigger element to the ComboBox control.. See the full explanation below for the reasoning.
Question
You are developing a Windows Presentation Foundation (WPF) application. The application contains the following markup. You need to ensure that the Filter combo box is hidden when the expander is collapsed. What should you do?
Exhibit
Options
- AAdd the following DataTrtgger element to the Expander control.
- BAdd the following DataTrigger element to the ComboBox control.
- CAdd the following DataTrigger element to the ComboBox control.
- DAdd the following DataTrigger element to the Expander control.
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