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static private FromIntPtr ( |
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| ptr | ||
| Результат | INativeEventObjectWrapper | |
public static UnmanagedEventHandler CreateRoutedEventHandlerDispatcher(RoutedEventHandler handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> { object o = NativeDependencyObjectHelper.FromIntPtr(closure);
handler(o,
NativeDependencyObjectHelper.FromIntPtr(calldata) as RoutedEventArgs ?? new RoutedEventArgs(calldata, false)); }));
}
public static UnmanagedEventHandler CreateCaptureFormatChangedEventArgsEventHandlerDispatcher(EventHandler <CaptureFormatChangedEventArgs> handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> { object o = NativeDependencyObjectHelper.FromIntPtr(closure);
CaptureFormatChangedEventArgs args = new CaptureFormatChangedEventArgs(calldata);
handler(o, args); }));
}
public static UnmanagedEventHandler CreateCaptureImageCompletedEventArgsEventHandlerDispatcher(EventHandler <CaptureImageCompletedEventArgs> handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> {
handler(NativeDependencyObjectHelper.FromIntPtr(closure),
(CaptureImageCompletedEventArgs)NativeDependencyObjectHelper.Lookup(calldata) ?? new CaptureImageCompletedEventArgs(calldata, CaptureImageCompletedEventArgs.GetExceptionFromUnmanaged(calldata), false));
}));
}
public static UnmanagedEventHandler CreateExceptionRoutedEventArgsEventHandlerDispatcher(EventHandler <ExceptionRoutedEventArgs> handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> { object o = NativeDependencyObjectHelper.FromIntPtr(closure);
ExceptionRoutedEventArgs args = ExceptionRoutedEventArgs.FromErrorEventArgs(calldata);
args.OriginalSource = o;
handler(o, args); }));
}
public static UnmanagedEventHandler CreateSendCompletedEventArgsEventHandlerDispatcher(EventHandler <SendCompletedEventArgs> handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> {
Exception exc = SendCompletedEventArgsGetError(calldata);
handler(NativeDependencyObjectHelper.FromIntPtr(closure),
(SendCompletedEventArgs)NativeDependencyObjectHelper.Lookup(calldata) ?? new SendCompletedEventArgs(calldata, exc, false));
}));
}
static void DestroyUnmanagedEventCallback(IntPtr dep_ob, int event_id, int token)
{
try {
var ob = (INativeEventObjectWrapper)NativeDependencyObjectHelper.FromIntPtr(dep_ob);
if (ob != null)
{
ob.EventList.RemoveHandler(event_id, token);
}
} catch (Exception ex) {
try {
Console.WriteLine("Unhandled exception in EventHandlerList.DestroyUnmanagedEventCallback");
} catch {
}
}
}
public static UnmanagedEventHandler CreateSizeChangedEventHandlerDispatcher(SizeChangedEventHandler handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> handler(NativeDependencyObjectHelper.FromIntPtr(closure),
NativeDependencyObjectHelper.FromIntPtr(calldata) as SizeChangedEventArgs ?? new SizeChangedEventArgs(calldata))));
}
public static UnmanagedEventHandler CreateTextCompositionEventHandlerDispatcher(TextCompositionEventHandler handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> handler(NativeDependencyObjectHelper.FromIntPtr(closure),
NativeDependencyObjectHelper.FromIntPtr(calldata) as TextCompositionEventArgs ?? new TextCompositionEventArgs(calldata, false))));
}
public static UnmanagedEventHandler CreateLogReadyRoutedEventHandlerDispatcher(LogReadyRoutedEventHandler handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> handler(NativeDependencyObjectHelper.FromIntPtr(closure),
NativeDependencyObjectHelper.FromIntPtr(calldata) as LogReadyRoutedEventArgs ?? new LogReadyRoutedEventArgs(calldata, false))));
}
public static UnmanagedEventHandler CreateClosingEventArgsEventHandlerDispatcher(EventHandler <ClosingEventArgs> handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> handler(NativeDependencyObjectHelper.FromIntPtr(closure),
new ClosingEventArgs())));
}
public static UnmanagedEventHandler CreateLoadCompletedEventHandlerDispatcher(LoadCompletedEventHandler handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> handler(NativeDependencyObjectHelper.FromIntPtr(closure),
new NavigationEventArgs())));
}
public static UnmanagedEventHandler CreateMessageReceivedEventArgsEventHandlerDispatcher(EventHandler <MessageReceivedEventArgs> handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> handler(NativeDependencyObjectHelper.FromIntPtr(closure),
new MessageReceivedEventArgs(calldata, false))));
}
public static UnmanagedEventHandler CreateCursorPositionChangedEventHandlerDispatcher(CursorPositionChangedEventHandler handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> handler(NativeDependencyObjectHelper.FromIntPtr(closure),
new CursorPositionChangedEventArgs(calldata))));
}
public static UnmanagedEventHandler CreateDownloadProgressEventArgsEventHandlerDispatcher(EventHandler <DownloadProgressEventArgs> handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> handler(NativeDependencyObjectHelper.FromIntPtr(closure),
new DownloadProgressEventArgs(calldata))));
}
public static UnmanagedEventHandler CreateEventHandlerDispatcher(EventHandler handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> handler(NativeDependencyObjectHelper.FromIntPtr(closure),
EventArgs.Empty)));
}
public static unsafe object ToObject(Type type, Value *value)
{
if (value == null || value->IsNull)
{
return(null);
}
if (value->boxed_valuetype.IsAllocated)
{
return(value->boxed_valuetype.Target);
}
if (value->IsGCHandle)
{
IntPtr managed_object = value->u.p;
GCHandle handle = GCHandle.FromIntPtr(managed_object);
return(handle.Target);
}
switch (value->Kind)
{
case Kind.INVALID:
return(null);
case Kind.DEPENDENCYPROPERTY:
return(DependencyProperty.Lookup(value->u.p));
case Kind.BOOL:
return(value->u.i32 != 0);
case Kind.DOUBLE:
return(value->u.d);
case Kind.FLOAT:
return(value->u.f);
case Kind.UINT64:
return(value->u.ui64);
case Kind.INT64:
return(value->u.i64);
case Kind.TIMESPAN:
return(new TimeSpan(value->u.i64));
case Kind.CURSORTYPE:
return(Cursors.FromEnum((CursorType)value->u.i32));
case Kind.TEXTDECORATIONS:
return((value->u.i32 == (int)TextDecorationKind.Underline) ? TextDecorations.Underline : null);
case Kind.INT32:
return(value->u.i32);
case Kind.UINT32:
return(value->u.ui32);
case Kind.CHAR:
return((char)value->u.ui32);
case Kind.SURFACE:
return(NativeDependencyObjectHelper.FromIntPtr(value->u.p));
case Kind.STRING: {
return(Marshal.PtrToStringAuto(value->u.p));
}
case Kind.URI:
return(UriHelper.FromNativeUri(value->u.p));
case Kind.XMLLANGUAGE: {
string str = Marshal.PtrToStringAuto(value->u.p);
return(XmlLanguage.GetLanguage(str));
}
case Kind.FONTFAMILY: {
UnmanagedFontFamily *family = (UnmanagedFontFamily *)value->u.p;
return(new FontFamily(family == null ? null : Marshal.PtrToStringAuto(family->source)));
}
case Kind.FONTSTRETCH: {
UnmanagedFontStretch *stretch = (UnmanagedFontStretch *)value->u.p;
return(new FontStretch(stretch == null ? FontStretchKind.Normal : stretch->stretch));
}
case Kind.FONTSTYLE: {
UnmanagedFontStyle *style = (UnmanagedFontStyle *)value->u.p;
return(new FontStyle(style == null ? FontStyleKind.Normal : style->style));
}
case Kind.FONTWEIGHT: {
UnmanagedFontWeight *weight = (UnmanagedFontWeight *)value->u.p;
return(new FontWeight(weight == null ? FontWeightKind.Normal : weight->weight));
}
case Kind.FONTSOURCE: {
UnmanagedFontSource * fs = (UnmanagedFontSource *)value->u.p;
ManagedStreamCallbacks callbacks;
GlyphTypeface typeface;
StreamWrapper wrapper;
switch (fs->type)
{
case FontSourceType.ManagedStream:
callbacks = (ManagedStreamCallbacks)Marshal.PtrToStructure(fs->source.stream, typeof(ManagedStreamCallbacks));
wrapper = (StreamWrapper)GCHandle.FromIntPtr(callbacks.handle).Target;
return(new FontSource(wrapper.stream));
case FontSourceType.GlyphTypeface:
typeface = new GlyphTypeface(fs->source.typeface);
return(new FontSource(typeface));
default:
throw new Exception(String.Format("Do not know how to create a FontSource of type {0}",
fs->type.ToString()));
}
}
case Kind.GLYPHTYPEFACE: {
return(new GlyphTypeface(value->u.p));
}
case Kind.PROPERTYPATH: {
UnmanagedPropertyPath *propertypath = (UnmanagedPropertyPath *)value->u.p;
if (propertypath == null)
{
return(new PropertyPath(null));
}
if (propertypath->property != IntPtr.Zero)
{
return(null);
}
return(new PropertyPath(Marshal.PtrToStringAuto(propertypath->pathString), Marshal.PtrToStringAuto(propertypath->expandedPathString)));
}
case Kind.POINT: {
Point *point = (Point *)value->u.p;
return((point == null) ? new Point(0, 0) : *point);
}
case Kind.RECT: {
Rect *rect = (Rect *)value->u.p;
return((rect == null) ? new Rect(0, 0, 0, 0) : *rect);
}
case Kind.SIZE: {
Size *size = (Size *)value->u.p;
return((size == null) ? new Size(0, 0) : *size);
}
case Kind.CORNERRADIUS: {
CornerRadius *corner = (CornerRadius *)value->u.p;
return((corner == null) ? new CornerRadius(0) : *corner);
}
case Kind.AUDIOFORMAT: {
UnmanagedAudioFormat *format = (UnmanagedAudioFormat *)value->u.p;
return((format == null) ? new AudioFormat() : format->ToAudioFormat());
}
case Kind.VIDEOFORMAT: {
UnmanagedVideoFormat *format = (UnmanagedVideoFormat *)value->u.p;
return((format == null) ? new VideoFormat() : format->ToVideoFormat());
}
case Kind.THICKNESS: {
Thickness *thickness = (Thickness *)value->u.p;
return((thickness == null) ? new Thickness(0) : *thickness);
}
case Kind.COLOR: {
UnmanagedColor *color = (UnmanagedColor *)value->u.p;
if (color == null)
{
return(new Color());
}
return(color->ToColor());
}
case Kind.MATRIX:
case Kind.UNMANAGEDMATRIX: {
return(new Matrix(value->u.p));
}
case Kind.MATRIX3D:
case Kind.UNMANAGEDMATRIX3D: {
return(new Matrix3D(value->u.p));
}
case Kind.STYLUSPOINT:
case Kind.UNMANAGEDSTYLUSPOINT: {
var kind = value->Kind;
var ptr = value->u.p;
var x = (double)Value.ToObject(typeof(double), NativeMethods.dependency_object_get_value(ptr, UnmanagedStylusPoint.XProperty.Native));
var y = (double)Value.ToObject(typeof(double), NativeMethods.dependency_object_get_value(ptr, UnmanagedStylusPoint.YProperty.Native));
var pressure = (double)Value.ToObject(typeof(double), NativeMethods.dependency_object_get_value(ptr, UnmanagedStylusPoint.PressureFactorProperty.Native));
return(new StylusPoint {
X = x, Y = y, PressureFactor = (float)pressure
});
}
case Kind.DURATION: {
Duration *duration = (Duration *)value->u.p;
return((duration == null) ? Duration.Automatic : *duration);
}
case Kind.KEYTIME: {
KeyTime *keytime = (KeyTime *)value->u.p;
return((keytime == null) ? KeyTime.FromTimeSpan(TimeSpan.Zero) : *keytime);
}
case Kind.GRIDLENGTH: {
GridLength *gridlength = (GridLength *)value->u.p;
return((gridlength == null) ? new GridLength() : *gridlength);
}
case Kind.REPEATBEHAVIOR: {
RepeatBehavior *repeat = (RepeatBehavior *)value->u.p;
return((repeat == null) ? new RepeatBehavior() : *repeat);
}
case Kind.MEDIAATTRIBUTE_COLLECTION: {
IntPtr p = value->u.p;
if (p == IntPtr.Zero)
{
return(null);
}
int count = NativeMethods.collection_get_count(p);
var dict = new Dictionary <string, string> ();
for (int i = 0; i < count; i++)
{
IntPtr map = NativeMethods.collection_get_value_at(p, i);
if (map == IntPtr.Zero)
{
continue;
}
Value *attribute = (Value *)map;
if (attribute->Kind != Kind.MEDIAATTRIBUTE || attribute->u.p == IntPtr.Zero)
{
continue;
}
string name = NativeMethods.media_attribute_get_name(attribute->u.p);
string val = NativeMethods.media_attribute_get_value(attribute->u.p);
dict.Add(name, val);
}
return(dict);
}
case Kind.MANAGEDTYPEINFO: {
ManagedTypeInfo *type_info = (ManagedTypeInfo *)value->u.p;
if (type_info == null)
{
return(null);
}
return(Deployment.Current.Types.KindToType(type_info->Kind));
}
default:
Type tt = Deployment.Current.Types.KindToType(value->Kind);
if (tt != null && tt.IsEnum)
{
return(Enum.ToObject(tt, value->u.i32));
}
break;
}
if (NativeMethods.type_is_event_object(value->Kind))
{
if (value->u.p == IntPtr.Zero)
{
return(null);
}
return(NativeDependencyObjectHelper.Lookup(value->u.p));
}
throw new Exception(String.Format("Do not know how to convert {0} {1}. Managed type: {2}",
value->Kind, (int)value->Kind, Deployment.Current.Types.KindToType(value->Kind)));
}