public PropertyItem GetPropertyItem(int propid)
{
int propSize;
IntPtr property;
PropertyItem item = new PropertyItem();
GdipPropertyItem gdipProperty = new GdipPropertyItem();
Status status;
status = GDIPlus.GdipGetPropertyItemSize(nativeObject, propid,
out propSize);
GDIPlus.CheckStatus(status);
/* Get PropertyItem */
property = Marshal.AllocHGlobal(propSize);
try {
status = GDIPlus.GdipGetPropertyItem(nativeObject, propid, propSize, property);
GDIPlus.CheckStatus(status);
gdipProperty = (GdipPropertyItem)Marshal.PtrToStructure(property,
typeof(GdipPropertyItem));
GdipPropertyItem.MarshalTo(gdipProperty, item);
}
finally {
Marshal.FreeHGlobal(property);
}
return(item);
}
internal static void MarshalTo(GdipPropertyItem gdipProp, PropertyItem prop)
{
prop.Id = gdipProp.id;
prop.Len = gdipProp.len;
prop.Type = gdipProp.type;
prop.Value = new byte [gdipProp.len];
Marshal.Copy(gdipProp.value, prop.Value, 0, gdipProp.len);
}