48 lines
1.5 KiB
C#
48 lines
1.5 KiB
C#
/*
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* Copyright (c) 2021 ETH Zürich, Educational Development and Technology (LET)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using SafeExamBrowser.Monitoring.Contracts.Display.Events;
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namespace SafeExamBrowser.Monitoring.Contracts.Display
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{
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/// <summary>
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/// Monitors the displays of the computer for (setup) changes and provides access to display-related functionality.
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/// </summary>
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public interface IDisplayMonitor
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{
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/// <summary>
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/// Event fired when the primary display or its settings have changed.
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/// </summary>
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event DisplayChangedEventHandler DisplayChanged;
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/// <summary>
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/// Sets the desktop working area to accommodate to the taskbar's height and removes the configured wallpaper (if possible).
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/// </summary>
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void InitializePrimaryDisplay(int taskbarHeight);
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/// <summary>
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/// Prevents the computer from entering sleep mode and turning its display(s) off.
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/// </summary>
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void PreventSleepMode();
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/// <summary>
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/// Resets the desktop working area and wallpaper to their previous (initial) state.
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/// </summary>
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void ResetPrimaryDisplay();
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/// <summary>
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/// Starts monitoring for display changes, i.e. display changes will trigger the <c>DisplaySettingsChanged</c> event.
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/// </summary>
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void StartMonitoringDisplayChanges();
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/// <summary>
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/// Stops monitoring for display changes.
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/// </summary>
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void StopMonitoringDisplayChanges();
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}
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}
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