/// <summary>Set the value explicitly (i.e. not ignored if equal to the current value)</summary>
public void SetValue(object value, bool notify = true)
{
// Adopt the type from the value if 'ValueType' is currently 'object'
if (ValueType == typeof(object) && value != null)
{
ValueType = value.GetType();
}
// Null is equivalent to the default type for structs
if (!ValueType.IsClass && value == null)
{
value = ValueType.DefaultInstance();
}
// Check the assigned value has the correct type
if (value != null && !ValueType.IsAssignableFrom(value.GetType()))
{
throw new ArgumentException($"Cannot assign to 'Value', argument has the wrong type. Expected: {ValueType.Name} Received: {value.GetType().Name} with value '{value}'");
}
// Save the assigned value
m_value = value;
// Set 'Text' to match the value
ValueToTextIfNotFocused(value);
// Notify value changed
if (notify)
{
OnValueChanged(new ValueEventArgs(Value));
}
Trace($"SetValue to '{value}'");
}
/// <summary>Set the value explicitly (i.e. not ignored if equal to the current value)</summary>
public void SetValue(object value, bool notify = true)
{
if (m_in_set_value != 0)
{
return;
}
using (Scope.Create(() => ++ m_in_set_value, () => -- m_in_set_value))
{
// Adopt the type from 'value' if 'ValueType' is currently 'object'
if (ValueType == typeof(object) && value != null)
{
ValueType = value.GetType();
}
// Null is equivalent to the default type for structs
if (ValueType.IsValueType && value == null)
{
value = ValueType.DefaultInstance();
}
// Check the assigned value has the correct type
if (value != null && !ValueType.IsAssignableFrom(value.GetType()))
{
throw new ArgumentException($"Cannot assign to 'Value', argument has the wrong type. Expected: {ValueType.Name} Received: {value.GetType().Name} with value '{value}'");
}
// Save the assigned value
m_value = value;
// Try assign the value to the SelectedItem property.
// If 'value' is not a drop down item, this will be silently ignored
SelectedItem = value;
// Set 'Text' to match the value
ValueToTextIfNotFocused(value);
// Notify value changed
if (notify)
{
OnValueChanged(new ValueEventArgs(Value));
}
Trace($"SetValue to '{value}'");
}
}