public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
{
if (value == null)
{
return(null);
}
ChoNotNullableArrayList arrayList = new ChoNotNullableArrayList();
object notNullItem = null;
if (value.GetType().IsArray)
{
foreach (object item in (Array)value)
{
if (item == null)
{
continue;
}
notNullItem = item;
ChoValidationResults validationResults = ChoValidation.Validate(item);
if (validationResults != null && validationResults.Count > 0)
{
continue;
}
arrayList.Add(item);
}
return(notNullItem == null ? null : arrayList.ToArray(notNullItem.GetType()));
}
else
{
return(value);
}
}
// If the type of the value to convert is string, parses the string
// and returns the integer to set the value of the property to.
// This example first extends the integer array that supplies the
// standard values collection if the user-entered value is not
// already in the array.
public override object ConvertFrom(System.ComponentModel.ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
{
value = ChoType.GetMemberValue(Target, DependentMemberName);
object convertedObject = null;
using (ChoBufferProfileEx outerProfile = new ChoBufferProfileEx(LogFileName, "Converting file to objects...."))
{
try
{
if (value.GetType() == typeof(string))
{
convertedObject = GetObject(value as string, outerProfile);
}
else if (value.GetType() == typeof(string[]))
{
ChoNotNullableArrayList convertedObjects = new ChoNotNullableArrayList();
foreach (string fileName in (string[])value)
{
convertedObjects.Add(GetObject(fileName, outerProfile));
}
convertedObject = convertedObjects.ToArray(ObjElementType);
}
}
catch (ChoFatalApplicationException)
{
throw;
}
catch (Exception ex)
{
outerProfile.Append(ex);
}
}
return(convertedObject);
}