//============================================================
// <T>编辑属性内容。</T>
//
// @param context 类型描述器环境
// @param provider 服务提供对象
// @param value 属性内容
// @return 属性内容
//============================================================
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
if ((null != context) && (null != context.Instance) && (null != provider))
{
IWindowsFormsEditorService editorService = provider.GetService(typeof(IWindowsFormsEditorService)) as IWindowsFormsEditorService;
if (null != editorService)
{
// 获得属性集合
FProperties properties = value as FProperties;
if (properties == null)
{
throw new FFatalException("Properties is not exists.");
}
// 显示属性表单
context.OnComponentChanging();
// 编辑控件属性
QPropertiesEditorForm qForm = new QPropertiesEditorForm();
qForm.Properties = properties;
if (editorService.ShowDialog(qForm) == DialogResult.OK)
{
context.OnComponentChanged();
return(properties);
}
}
}
return(base.EditValue(context, provider, value));
}
//============================================================
// <T>从指定类型转换为内容。</T>
//
// @param context 环境
// @param culture 文化
// @param value 内容
// @param destinationType 目标类型
// @return 是否含有位图
//============================================================
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string)
{
FProperties properties = new FProperties();
properties.Parse(value as string);
return(properties);
}
return(null);
}
