/// <summary>
/// Determines whether [is attach option valid] [the specified instance].
/// </summary>
/// <param name="instance">The instance.</param>
/// <returns><c>true</c> if [is attach option valid] [the specified instance]; otherwise, <c>false</c>.</returns>
public static bool IsAttachOptionValid(this AttachmentOptionVm instance)
{
var retval = false;
retval = instance != null && (!string.IsNullOrEmpty(instance.AttachFlag) && instance.MilliSeconds > 0);
return(retval);
}
/// <summary>
/// Initializes a new instance of the <see cref="ButtonCommand" /> class.
/// </summary>
/// <param name="action">The action.</param>
/// <param name="option">The option.</param>
/// <param name="canExecute">if set to <c>true</c> [can execute].</param>
public ButtonCommand(Action <object> action, AttachmentOptionVm option, bool canExecute)
{
this.option = option;
this.actionWithArg = action;
this.canExecute = canExecute;
}