/// <summary>
/// Updates the SelectedValue property based on what is present in the SelectedItems property.
/// </summary>
private void UpdateSelectedValue()
{
string newValue = String.Join(Delimiter, SelectedItems.Cast <object>().Select(GetItemValue));
if (String.IsNullOrEmpty(SelectedValue) || !SelectedValue.Equals(newValue))
{
_ignoreSelectedValueChanged = true;
SelectedValue = newValue;
_ignoreSelectedValueChanged = false;
}
}
private void UpdateSelectedValue()
{
string text = string.Join(Delimiter, from object x in SelectedItems
select GetItemValue(x));
if (string.IsNullOrEmpty(SelectedValue) || !SelectedValue.Equals(text))
{
_ignoreSelectedValueChanged = true;
SelectedValue = text;
_ignoreSelectedValueChanged = false;
}
}
/// <summary>
/// Updates the SelectedValue property based on what is present in the SelectedItems property.
/// </summary>
private void UpdateSelectedValue()
{
#if VS2008
string newValue = String.Join(Delimiter, SelectedItems.Cast <object>().Select(x => GetItemValue(x).ToString()).ToArray());
#else
string newValue = String.Join(Delimiter, SelectedItems.Cast <object>().Select(x => GetItemValue(x)));
#endif
if (String.IsNullOrEmpty(SelectedValue) || !SelectedValue.Equals(newValue))
{
_ignoreSelectedValueChanged = true;
SelectedValue = newValue;
_ignoreSelectedValueChanged = false;
}
}
private void UpdateSelectedValue()
{
//get out of here if we don't want to set the SelectedValue
if (_ignoreSetSelectedValue)
{
return;
}
_surpressSelectedValueChanged = true;
string newValue = String.Join(Delimiter, SelectedItems.Cast <object>().Select(x => GetItemValue(x).ToString()).ToArray());
if (String.IsNullOrEmpty(SelectedValue) || !SelectedValue.Equals(newValue))
{
SelectedValue = newValue;
}
_surpressSelectedValueChanged = false;
}
/// <summary>
/// Compares the provided value with the component's selected value.
/// </summary>
/// <param name="expectedValue">Value that the component is expected to have.</param>
/// <returns>true if expectedValue equals the selected value, otherwise false</returns>
protected virtual bool CheckSelectedValue(T expectedValue)
{
return(SelectedValue.Equals(expectedValue));
}
/// <summary> /// 构造值绑定的特性，默认使用 <see cref="T:Microsoft.AspNetCore.Components.BindConverter" /> 类型。 /// </summary> /// <param name="builder"></param> /// <param name="sequence"></param> protected override void BuildValueBindingAttribute(RenderTreeBuilder builder, int sequence) => builder.AddAttribute(sequence++, "checked", SelectedValue?.Equals(CurrentValue));
