public IntPtr?GetThemeBitmap(int partId, int stateId, int propertyId)
{
HResult hr = UxThemeExNativeMethods.UxGetThemeBitmap(
themeFile, theme, partId, stateId, propertyId, GBF.GBF_DIRECT, out IntPtr value);
return(hr.Succeeded() ? value : (IntPtr?)null);
}
public LOGFONT GetThemeSysFont(int propertyId)
{
var value = new LOGFONT();
HResult hr = UxThemeExNativeMethods.GetThemeSysFont(theme, propertyId, value);
return(Found(hr) ? value : null);
}
public int?GetThemeSysInt(int propertyId)
{
HResult hr = UxThemeExNativeMethods.GetThemeSysInt(
theme, propertyId, out int value);
return(Found(hr) ? value : (int?)null);
}
public int?GetThemeEnumValue(int partId, int stateId, int propertyId)
{
HResult hr = UxThemeExNativeMethods.UxGetThemeEnumValue(
themeFile, theme, partId, stateId, propertyId, out int value);
return(Found(hr) ? value : (int?)null);
}
public bool?GetThemeBool(int partId, int stateId, int propertyId)
{
HResult hr = UxThemeExNativeMethods.UxGetThemeBool(
themeFile, theme, partId, stateId, propertyId, out var value);
return(Found(hr) ? value : (bool?)null);
}
public Color?GetThemeColor(int partId, int stateId, int propertyId)
{
HResult hr = UxThemeExNativeMethods.UxGetThemeColor(
themeFile, theme, partId, stateId, propertyId, out int value);
return(Found(hr) ? ThemeExtensions.ColorFromArgb(value) : (Color?)null);
}
public RECT?GetThemeRect(int partId, int stateId, int propertyId)
{
HResult hr = UxThemeExNativeMethods.UxGetThemeRect(
themeFile, theme, partId, stateId, propertyId, out RECT value);
return(Found(hr) ? value : (RECT?)null);
}
public SIZE?GetThemePartSize(int partId, int stateId, ThemeSize themeSize)
{
HResult hr = UxThemeExNativeMethods.UxGetThemePartSize(
themeFile, theme, IntPtr.Zero, partId, stateId, null, themeSize, out SIZE value);
return(Found(hr) ? value : (SIZE?)null);
}
public POINT?GetThemePosition(int partId, int stateId, int propertyId)
{
HResult hr = UxThemeExNativeMethods.UxGetThemePosition(
themeFile, theme, partId, stateId, propertyId, out POINT value);
return(Found(hr) ? value : (POINT?)null);
}
public MARGINS?GetThemeMargins(int partId, int stateId, int propertyId)
{
HResult hr = UxThemeExNativeMethods.UxGetThemeMargins(
themeFile, theme, IntPtr.Zero, partId, stateId, propertyId, null, out MARGINS value);
return(Found(hr) ? value : (MARGINS?)null);
}
public PropertyOrigin GetThemePropertyOrigin(
int partId, int stateId, int propertyId)
{
HResult hr = UxThemeExNativeMethods.UxGetThemePropertyOrigin(
themeFile, theme, partId, stateId, propertyId, out PropertyOrigin origin);
return(hr.Succeeded() ? origin : PropertyOrigin.NotFound);
}
public INTLIST GetThemeIntList(int partId, int stateId, int propertyId)
{
var value = new INTLIST();
HResult hr = UxThemeExNativeMethods.UxGetThemeIntList(
themeFile, theme, partId, stateId, propertyId, value);
return(Found(hr) ? value : null);
}
public LOGFONT GetThemeFont(int partId, int stateId, int propertyId)
{
var value = new LOGFONT();
HResult hr = UxThemeExNativeMethods.UxGetThemeFont(
themeFile, theme, IntPtr.Zero, partId, stateId, propertyId, value);
return(Found(hr) ? value : null);
}
public string GetThemeFilename(int partId, int stateId, int propertyId)
{
var filename = new StringBuilder(512);
HResult hr = UxThemeExNativeMethods.UxGetThemeFilename(
themeFile, theme, partId, stateId, propertyId, filename, filename.Capacity);
return(Found(hr) ? filename.ToString() : null);
}
public string GetThemeSysString(int propertyId)
{
var value = new StringBuilder(512);
HResult hr = UxThemeExNativeMethods.GetThemeSysString(
theme, propertyId, value, value.Capacity);
return(Found(hr) ? value.ToString() : null);
}
public static SafeThemeFileHandle LoadTheme(
string path, UxThemeLoadParams loadParams = null)
{
UxThemeExNativeMethods.UxOpenThemeFileEx(
path,
loadParams?.IsHighContrast ?? false,
loadParams?.CustomColors,
out var themeFile).ThrowIfFailed();
return(themeFile);
}
public async Task SetThemeAsync(string path, UxThemeLoadParams loadParams = null)
{
if (path != null)
{
SetNativeTheme(await Task.Run(() => LoadTheme(path, loadParams)));
}
else
{
SetNativeTheme(SafeThemeFileHandle.Zero);
}
CurrentOverride = path;
UxThemeExNativeMethods.UxBroadcastThemeChange();
}
public async Task SetPresentationFrameworkTheme(Dispatcher dispatcher, Uri resourceUri)
{
await dispatcher.InvokeAsync(() => {
if (resourceUri != null)
{
ThemeManager.SetPresentationFrameworkTheme(resourceUri);
}
else
{
ThemeManager.ClearPresentationFrameworkTheme();
}
UxThemeExNativeMethods.UxBroadcastThemeChange();
}, DispatcherPriority.ContextIdle);
}
private void SetNativeTheme(SafeThemeFileHandle newTheme)
{
var oldTheme = theme;
if (newTheme != null && !newTheme.IsInvalid && !newTheme.IsClosed)
{
UxThemeExNativeMethods.UxOverrideTheme(newTheme).ThrowIfFailed();
UxThemeExNativeMethods.UxHook().ThrowIfFailed();
theme = newTheme;
}
else
{
theme = null;
UxThemeExNativeMethods.UxUnhook().ThrowIfFailed();
UxThemeExNativeMethods.UxOverrideTheme(SafeThemeFileHandle.Zero).ThrowIfFailed();
}
oldTheme?.Dispose();
}
public ThemeFile LoadTheme()
{
var themeFile = new ThemeFile(filePath, neutralModule, muiModule);
themeFile.Version = GetVersion();
var classNames = ReadClassMap();
var vmap = ReadVariantMap();
var bcmap = ReadBaseClassMap();
themeFile.VariantMap = vmap;
themeFile.ClassNames = classNames;
UxThemeExNativeMethods.UxOpenThemeFile(filePath, isHighContrast, out var themeFileHandle).ThrowIfFailed();
themeFile.NativeThemeFile = themeFileHandle;
ReadProperties(themeFile, "RMAP", "RMAP");
ReadProperties(themeFile, "VARIANT", vmap.Name);
foreach (var @class in themeFile.Classes)
{
AddKnownPartsAndStates(@class);
}
var classMap = themeFile.Classes.ToDictionary(x => x.Name);
var classNames2 = themeFile.ClassNames.Skip(4).ToList();
foreach (var entry in bcmap.Map)
{
var className = classNames2[entry.Key];
var baseClassName = classNames2[entry.Value];
if (classMap.TryGetValue(className, out ThemeClass @class) &&
classMap.TryGetValue(baseClassName, out ThemeClass baseClass))
{
@class.BaseClass = baseClass;
}
}
themeFile.Sort();
return(themeFile);
}
public unsafe Stream GetThemeStream(
int partId, int stateId, int propertyId, SafeModuleHandle instance)
{
HResult hr = UxThemeExNativeMethods.UxGetThemeStream(
themeFile, theme, partId, stateId, propertyId, out IntPtr stream,
out uint length, instance);
if (!Found(hr) || stream == IntPtr.Zero)
{
return(null);
}
var buffer = new byte[length];
if (length > 0)
{
Marshal.Copy(stream, buffer, 0, buffer.Length);
}
return(new UnmanagedMemoryStream(
(byte *)stream.ToPointer(), 0, length, FileAccess.Read));
}
protected override bool ReleaseHandle()
{
return(UxThemeExNativeMethods.UxCloseThemeFile(handle) >= 0);
}
public HResult GetThemeTransitionDuration(
int partId, int stateFrom, int stateTo, int propertyId, out uint duration)
{
return(UxThemeExNativeMethods.UxGetThemeTransitionDuration(
themeFile, theme, partId, stateFrom, stateTo, propertyId, out duration));
}
public bool GetThemeSysBool(int propertyId)
{
return(UxThemeExNativeMethods.GetThemeSysBool(theme, propertyId));
}
public Color GetThemeSysColor(int propertyId)
{
int value = UxThemeExNativeMethods.GetThemeSysColor(theme, propertyId);
return(ThemeExtensions.ColorFromArgb(value));
}
public static UxThemeExData Open(
SafeThemeFileHandle themeFile, IntPtr hwnd, string classList)
{
return(new UxThemeExData(
themeFile, UxThemeExNativeMethods.UxOpenThemeData(themeFile, hwnd, classList)));
}
