private void SystemEvents_UserPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
if (e.Category == UserPreferenceCategory.General)
{
EnableOrDisableBasedOnState();
}
}
public static void SystemEvents_UserPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
if (Settings.autodark)
{
RefreshColorSceme();
}
}
public void PreferenceChangedHandler(object sender, UserPreferenceChangingEventArgs e)
{
if (e.Category.ToString() == dsk || e.Category.ToString() == colour)
{
Restart();
}
}
private static void OnUserPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
if (e.Category == UserPreferenceCategory.Color && colorTable != null)
{
UpdateSystemColors(colorTable);
}
}
private static void OnUserPreferenceChanging(object sender, UserPreferenceChangingEventArgs ea)
{
if (ea.Category == UserPreferenceCategory.VisualStyle)
{
globalCacheVersion += 1L;
}
}
static void SystemEvents_UserPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
if (e.Category == UserPreferenceCategory.General || e.Category == UserPreferenceCategory.Color)
{
Refresh();
}
}
private static void OnUserPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
if (e.Category != UserPreferenceCategory.Color || KnownColorTable.colorTable == null)
{
return;
}
KnownColorTable.UpdateSystemColors(KnownColorTable.colorTable);
}
private void OnUserPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
if (e.Category == UserPreferenceCategory.Color ||
e.Category == UserPreferenceCategory.VisualStyle)
{
SetTheme();
}
}
private void userPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
if (e.Category != UserPreferenceCategory.Color)
{
return;
}
_colorTable = readColorTable();
fireColorsChangedEvents();
}
public void SignalsUserPreferenceEventsAsynchronouslyOnThemeChanged()
{
var changing = new AutoResetEvent(false);
var changed = new AutoResetEvent(false);
UserPreferenceChangingEventArgs changingArgs = null;
UserPreferenceChangingEventHandler changingHandler = (o, e) =>
{
changingArgs = e;
changing.Set();
};
List <UserPreferenceChangedEventArgs> changedArgs = new List <UserPreferenceChangedEventArgs>();
UserPreferenceChangingEventArgs changingDuringChanged = null;
UserPreferenceChangedEventHandler changedHandler = (o, e) =>
{
changedArgs.Add(e);
changingDuringChanged = changingArgs;
// signal test to continue after two events were recieved
if (changedArgs.Count > 1)
{
changed.Set();
}
};
SystemEvents.UserPreferenceChanging += changingHandler;
SystemEvents.UserPreferenceChanged += changedHandler;
try
{
SendMessage(User32.WM_THEMECHANGED, 0, null);
Assert.True(changing.WaitOne(PostMessageWait));
Assert.NotNull(changingArgs);
Assert.Equal(UserPreferenceCategory.VisualStyle, changingArgs.Category);
Assert.True(changed.WaitOne(PostMessageWait));
Assert.Equal(2, changedArgs.Count);
Assert.NotNull(changedArgs[0]);
Assert.Equal(UserPreferenceCategory.Window, changedArgs[0].Category);
Assert.NotNull(changedArgs[1]);
Assert.Equal(UserPreferenceCategory.VisualStyle, changedArgs[1].Category);
// changed must follow changing for VisualStyle
Assert.NotNull(changingDuringChanged);
Assert.Equal(UserPreferenceCategory.VisualStyle, changingDuringChanged.Category);
}
finally
{
SystemEvents.UserPreferenceChanging -= changingHandler;
SystemEvents.UserPreferenceChanged -= changedHandler;
changing.Dispose();
changed.Dispose();
}
}
private void SystemEvents_UserPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
Graphix.UpdatePanelColor(panel8, Graphix.GetAccentColor());
foreach (Control item in panel6.Controls)
{
if (item is Panel)
{
Panel p = (Panel)item;
Graphix.UpdateColor(p, Graphix.GetAccentColor());
}
}
}
private static void UserPreferenceChanging(object obj, UserPreferenceChangingEventArgs e)
{
s_highContrastSettingValid = false;
s_lowResSettingValid = false;
s_dropShadowSettingValid = false;
s_bitsPerPixel = 0;
if (e.Category == UserPreferenceCategory.General)
{
s_menuAccessKeysUnderlinedValid = false;
}
}
/// <summary>
/// Handles the ThemeChanged event. Basically, we need to ensure all per-thread theme handle
/// caches are refreshed.
/// </summary>
private static void OnUserPreferenceChanging(object sender, UserPreferenceChangingEventArgs ea)
{
if (ea.Category == UserPreferenceCategory.VisualStyle)
{
// Let all threads know their cached handles are no longer valid;
// cache refresh will happen at next handle access.
// Note that if the theme changes 2^sizeof(long) times before a thread uses
// its handle, this whole version check won't work, but it is unlikely to happen.
// this is not ideal.
globalCacheVersion++;
}
}
public void SignalsUserPreferenceEventsSynchronouslyOnReflectedThemeChanged()
{
bool changing = false, changed = false;
UserPreferenceChangingEventArgs changingArgs = null;
UserPreferenceChangingEventHandler changingHandler = (o, e) =>
{
changingArgs = e;
changing = true;
};
List <UserPreferenceChangedEventArgs> changedArgs = new List <UserPreferenceChangedEventArgs>();
UserPreferenceChangingEventArgs changingDuringChanged = null;
UserPreferenceChangedEventHandler changedHandler = (o, e) =>
{
changedArgs.Add(e);
changingDuringChanged = changingArgs;
changed = true;
};
SystemEvents.UserPreferenceChanging += changingHandler;
SystemEvents.UserPreferenceChanged += changedHandler;
try
{
SendReflectedMessage(User32.WM_THEMECHANGED, 0, null);
Assert.True(changing);
Assert.NotNull(changingArgs);
Assert.Equal(UserPreferenceCategory.VisualStyle, changingArgs.Category);
Assert.True(changed);
Assert.Equal(2, changedArgs.Count);
Assert.NotNull(changedArgs[0]);
Assert.Equal(UserPreferenceCategory.Window, changedArgs[0].Category);
Assert.NotNull(changedArgs[1]);
Assert.Equal(UserPreferenceCategory.VisualStyle, changedArgs[1].Category);
// changed must follow changing for VisualStyle
Assert.NotNull(changingDuringChanged);
Assert.Equal(UserPreferenceCategory.VisualStyle, changingDuringChanged.Category);
}
finally
{
SystemEvents.UserPreferenceChanging -= changingHandler;
SystemEvents.UserPreferenceChanged -= changedHandler;
}
}
public void SignalsUserPreferenceEventsAsynchronously(int message, int uiAction, string area, UserPreferenceCategory expectedCategory)
{
var changing = new AutoResetEvent(false);
var changed = new AutoResetEvent(false);
UserPreferenceChangingEventArgs changingArgs = null;
UserPreferenceChangingEventHandler changingHandler = (o, e) =>
{
changingArgs = e;
changing.Set();
};
UserPreferenceChangedEventArgs changedArgs = null;
UserPreferenceChangingEventArgs changingDuringChanged = null;
UserPreferenceChangedEventHandler changedHandler = (o, e) =>
{
changedArgs = e;
changingDuringChanged = changingArgs;
changed.Set();
};
SystemEvents.UserPreferenceChanging += changingHandler;
SystemEvents.UserPreferenceChanged += changedHandler;
try
{
SendMessage(message, uiAction, area);
Assert.True(changing.WaitOne(PostMessageWait));
Assert.NotNull(changingArgs);
Assert.Equal(expectedCategory, changingArgs.Category);
Assert.True(changed.WaitOne(PostMessageWait));
Assert.NotNull(changedArgs);
Assert.Equal(expectedCategory, changedArgs.Category);
// changed must follow changing for the same category
Assert.NotNull(changingDuringChanged);
Assert.Equal(expectedCategory, changingDuringChanged.Category);
}
finally
{
SystemEvents.UserPreferenceChanging -= changingHandler;
SystemEvents.UserPreferenceChanged -= changedHandler;
changing.Dispose();
changed.Dispose();
}
}
public void SignalsUserPreferenceEventsSynchronously(int message, int uiAction, string area, UserPreferenceCategory expectedCategory)
{
bool changing = false, changed = false;
UserPreferenceChangingEventArgs changingArgs = null;
UserPreferenceChangingEventHandler changingHandler = (o, e) =>
{
changingArgs = e;
changing = true;
};
UserPreferenceChangedEventArgs changedArgs = null;
UserPreferenceChangingEventArgs changingDuringChanged = null;
UserPreferenceChangedEventHandler changedHandler = (o, e) =>
{
changedArgs = e;
changingDuringChanged = changingArgs;
changed = true;
};
SystemEvents.UserPreferenceChanging += changingHandler;
SystemEvents.UserPreferenceChanged += changedHandler;
try
{
SendReflectedMessage(message, uiAction, area);
Assert.True(changing);
Assert.NotNull(changingArgs);
Assert.Equal(expectedCategory, changingArgs.Category);
Assert.True(changed);
Assert.NotNull(changedArgs);
Assert.Equal(expectedCategory, changedArgs.Category);
// changed must follow changing for the same category
Assert.NotNull(changingDuringChanged);
Assert.Equal(expectedCategory, changingDuringChanged.Category);
}
finally
{
SystemEvents.UserPreferenceChanging -= changingHandler;
SystemEvents.UserPreferenceChanged -= changedHandler;
}
}
private void SystemEventsOnUserPreferenceChanging(object sender, UserPreferenceChangingEventArgs userPreferenceChangingEventArgs)
{
switch (userPreferenceChangingEventArgs.Category)
{
case UserPreferenceCategory.Policy:
this._groupPolicyRefreshDetectedLogMessage(_logger, null);
try
{
_onUserPreferenceChangingGroupPolicy?.Invoke();
}
#pragma warning disable CA1031 // Do not catch general exception types
catch
#pragma warning restore CA1031 // Do not catch general exception types
{
// ignored
}
break;
}
}
static void SystemEvents_UserPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
}
private void UserPreferenceChangingCallback(object o, UserPreferenceChangingEventArgs args)
{
}
internal void SystemEvents_UserPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
OnUserPreferenceChanging?.Invoke(sender, e);
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// userpreferencechangingeventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this UserPreferenceChangingEventHandler userpreferencechangingeventhandler, Object sender, UserPreferenceChangingEventArgs e, AsyncCallback callback)
{
if (userpreferencechangingeventhandler == null)
{
throw new ArgumentNullException("userpreferencechangingeventhandler");
}
return(userpreferencechangingeventhandler.BeginInvoke(sender, e, callback, null));
}
public void Deny_Unrestricted()
{
UserPreferenceChangingEventArgs upcea = new UserPreferenceChangingEventArgs(UserPreferenceCategory.Color);
Assert.AreEqual(UserPreferenceCategory.Color, upcea.Category, "Category");
}
//</snippet2>
// This method is called when a user preference changes.
static void SystemEvents_UserPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
Console.WriteLine("The user preference is changing. Category={0}", e.Category);
}
private void SystemEvents_UserPreferenceChanging(object sender, UserPreferenceChangingEventArgs e)
{
_temperatureService.ChangeScreenColorFromConfig(SelectedConfig);
}
