protected virtual void AddChild(object child)
{
ThicknessKeyFrame keyFrame = child as ThicknessKeyFrame;
if (keyFrame != null)
{
KeyFrames.Add(keyFrame);
}
else
{
throw new ArgumentException(SR.Get(SRID.Animation_ChildMustBeKeyFrame), "child");
}
}
protected virtual void AddText(string childText)
{
throw new InvalidOperationException(SR.Get(SRID.Animation_NoTextChildren));
}
/// <summary>
/// Return an object that should be set on the targetObject's targetProperty
/// for this markup extension. For a StaticExtension this is a static field
/// or property value.
/// </summary>
/// <param name="serviceProvider">Object that can provide services for the markup extension.</param>
/// <returns>
/// The object to set on this property.
/// </returns>
public override object ProvideValue(IServiceProvider serviceProvider)
{
if (Member == null)
{
throw new InvalidOperationException(SR.Get(SRID.MarkupExtensionStaticMember));
}
object value;
if (MemberType != null)
{
value = SystemResourceKey.GetSystemResourceKey(MemberType.Name + "." + Member);
if (value != null)
{
return(value);
}
}
else
{
value = SystemResourceKey.GetSystemResourceKey(Member);
if (value != null)
{
return(value);
}
// Validate the _member
int dotIndex = Member.IndexOf('.');
if (dotIndex < 0)
{
throw new ArgumentException(SR.Get(SRID.MarkupExtensionBadStatic, Member));
}
// Pull out the type substring (this will include any XML prefix, e.g. "av:Button")
string typeString = Member.Substring(0, dotIndex);
if (typeString == string.Empty)
{
throw new ArgumentException(SR.Get(SRID.MarkupExtensionBadStatic, Member));
}
// Get the IXamlTypeResolver from the service provider
if (serviceProvider == null)
{
throw new ArgumentNullException("serviceProvider");
}
IXamlTypeResolver xamlTypeResolver = serviceProvider.GetService(typeof(IXamlTypeResolver)) as IXamlTypeResolver;
if (xamlTypeResolver == null)
{
throw new ArgumentException(SR.Get(SRID.MarkupExtensionNoContext, GetType().Name, "IXamlTypeResolver"));
}
// Use the type resolver to get a Type instance
MemberType = xamlTypeResolver.Resolve(typeString);
// Get the member name substring
Member = Member.Substring(dotIndex + 1, Member.Length - dotIndex - 1);
}
value = CommandConverter.GetKnownControlCommand(MemberType, Member);
if (value != null)
{
return(value);
}
return(base.ProvideValue(serviceProvider));
}
/// <summary>
/// Gets the data format with the Windows Clipboard numeric ID and name for the specified data format.
/// </summary>
/// <remarks>
/// Callers must have UnmanagedCode permission to call this API.
/// </remarks>
public static DataFormat GetDataFormat(string format)
{
if (format == null)
{
throw new ArgumentNullException("format");
}
if (format == string.Empty)
{
throw new ArgumentException(SR.Get(SRID.DataObject_EmptyFormatNotAllowed));
}
// Ensures the predefined Win32 data formats into our format list.
EnsurePredefined();
// Lock the data format list to obtains the mutual-exclusion.
lock (_formatListlock)
{
int formatId;
int index;
// It is much faster to do a case sensitive search here. So do
// the case sensitive compare first, then the expensive one.
//
for (int n = 0; n < _formatList.Count; n++)
{
DataFormat formatItem;
formatItem = (DataFormat)_formatList[n];
if (formatItem.Name.Equals(format))
{
return(formatItem);
}
}
for (int n = 0; n < _formatList.Count; n++)
{
DataFormat formatItem;
formatItem = (DataFormat)_formatList[n];
if (String.Compare(formatItem.Name, format, StringComparison.OrdinalIgnoreCase) == 0)
{
return(formatItem);
}
}
// Reigster the this format string.
formatId = UnsafeNativeMethods.RegisterClipboardFormat(format);
if (formatId == 0)
{
throw new System.ComponentModel.Win32Exception();
}
index = _formatList.Add(new DataFormat(format, formatId));
return((DataFormat)_formatList[index]);
}
}
