78 lines
2.0 KiB
C#
78 lines
2.0 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Runtime.InteropServices;
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using System.Drawing;
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namespace FDK
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{
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//http://spazzarama.wordpress.com/2009/09/30/enable-or-disable-dwm-composition-aero/
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/// <summary>
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/// To control Aerograph in Vista and Windows7. Don't use this class in XP.
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/// </summary>
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public static class DWM
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{
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const uint DWM_EC_DISABLECOMPOSITION = 0;
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const uint DWM_EC_ENABLECOMPOSITION = 1;
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[DllImport( "dwmapi.dll", EntryPoint = "DwmEnableComposition" )]
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extern static uint DwmEnableComposition( uint compositionAction );
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[DllImport( "dwmapi.dll", EntryPoint = "DwmEnableComposition" )]
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public extern static bool DwmIsCompositionEnabled(out bool pfEnabled);
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[DllImport( "dwmapi.dll", EntryPoint = "DwmFlush" )]
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extern static int DwmFlush();
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// [DllImport( "dwmapi.dll", EntryPoint = "DwmEnableMMCSS" )]
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// extern static int DwmEnableMMCSS( bool fEnableMMCSS );
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[DllImport( "dwmapi.dll", EntryPoint = "DwmFlush" )]
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extern static int DwmEnableMMCSS( bool fEnableMMCSS );
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public static int IsCompositionEnabled(out bool enabled)
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{
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#if TEST_Direct3DEx
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return DwmIsCompositionEnabled( out enabled );
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#else
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enabled = false;
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return 0;
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#endif
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}
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public static int Flush()
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{
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#if TEST_Direct3DEx
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return DwmFlush();
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#else
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return 0; // 0(S_OK)なら成功
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#endif
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}
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/// <summary>
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/// Enable/Disable DWM composition (aka Aero)
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/// </summary>
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/// <param name="bIsAeroEnabled">True to enable composition, false to disable composition.</param>
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/// <returns>True if the operation was successful.</returns>
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public static bool EnableComposition( bool bIsAeroEnabled )
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{
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// DwmEnableMMCSS( true );
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#if TEST_Direct3D9Ex
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try
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{
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if ( bIsAeroEnabled )
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{
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DwmEnableComposition( DWM_EC_ENABLECOMPOSITION );
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}
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else
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{
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DwmEnableComposition( DWM_EC_DISABLECOMPOSITION );
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}
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return true;
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}
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catch ( DllNotFoundException )
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{
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return false;
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}
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#else
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return true;
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#endif
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}
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}
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}
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