Binding.IsMissing(Object) 方法

定义

确定指定对象是否等效于 MissingDetermines whether the specified object is equivalent to Missing.

此 API 支持产品基础结构,不能在代码中直接使用。

public:
 static bool IsMissing(System::Object ^ value);
public static bool IsMissing (object value);
static member IsMissing : obj -> bool
Public Shared Function IsMissing (value As Object) As Boolean

参数

value
Object

要比较的对象。The object to compare.

返回

Boolean

如果 value 等效于 Missing,则为 true;否则为 falsetrue if value is equivalent to Missing; otherwise, false.

适用于

另请参阅