public FormatEnumerator(IDataObject parent, FORMATETC[] formats)
{
Debug.WriteLineIf(CompModSwitches.DataObject.TraceVerbose, "FormatEnumerator: Constructed: " + parent.ToString() + ", FORMATETC[]" + formats.Length.ToString(CultureInfo.InvariantCulture));
this.formats.Clear();
this.parent = parent;
current = 0;
if (formats != null)
{
if (parent is DataObject dataObject && dataObject.RestrictedFormats)
{
if (!Clipboard.IsFormatValid(formats))
{
throw new Security.SecurityException(SR.ClipboardSecurityException);
}
}
for (int i = 0; i < formats.Length; i++)
{
FORMATETC currentFormat = formats[i];
FORMATETC temp = new FORMATETC
{
cfFormat = currentFormat.cfFormat,
dwAspect = currentFormat.dwAspect,
ptd = currentFormat.ptd,
lindex = currentFormat.lindex,
tymed = currentFormat.tymed
};
this.formats.Add(temp);
}
}
}
public FormatEnumerator(IDataObject parent, string[] formats)
{
Debug.WriteLineIf(CompModSwitches.DataObject.TraceVerbose, "FormatEnumerator: Constructed: " + parent.ToString() + ", string[]" + formats.Length.ToString(CultureInfo.InvariantCulture));
this.parent = parent;
this.formats.Clear();
if (formats != null)
{
if (parent is DataObject dataObject && dataObject.RestrictedFormats)
{
if (!Clipboard.IsFormatValid(formats))
{
throw new Security.SecurityException(SR.ClipboardSecurityException);
}
}
for (int i = 0; i < formats.Length; i++)
{
string format = formats[i];
FORMATETC temp = new FORMATETC
{
cfFormat = unchecked ((short)(ushort)(DataFormats.GetFormat(format).Id)),
dwAspect = DVASPECT.DVASPECT_CONTENT,
ptd = IntPtr.Zero,
lindex = -1
};
if (format.Equals(DataFormats.Bitmap))
{
temp.tymed = TYMED.TYMED_GDI;
}
else if (format.Equals(DataFormats.EnhancedMetafile))
{
temp.tymed = TYMED.TYMED_ENHMF;
}
else if (format.Equals(DataFormats.Text) ||
format.Equals(DataFormats.UnicodeText) ||
format.Equals(DataFormats.StringFormat) ||
format.Equals(DataFormats.Rtf) ||
format.Equals(DataFormats.CommaSeparatedValue) ||
format.Equals(DataFormats.FileDrop) ||
format.Equals(CF_DEPRECATED_FILENAME) ||
format.Equals(CF_DEPRECATED_FILENAMEW))
{
temp.tymed = TYMED.TYMED_HGLOBAL;
}
else
{
temp.tymed = TYMED.TYMED_HGLOBAL;
}
if (temp.tymed != 0)
{
this.formats.Add(temp);
}
}
}
}
