MaxLengthAttribute.IsValid(Object) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Determines whether a specified object is valid.
public:
override bool IsValid(System::Object ^ value);
public override bool IsValid (object value);
public override bool IsValid (object? value);
override this.IsValid : obj -> bool
Public Overrides Function IsValid (value As Object) As Boolean
Parameters
- value
- Object
The object to validate.
Returns
true
if the value is null, or if the value is less than or equal to the specified maximum length; otherwise, false
.
Exceptions
Length is zero or less than negative one.
Remarks
This method returns true
if the value
parameter is null.
Applies to
意見反應
https://aka.ms/ContentUserFeedback。
即將登場:在 2024 年,我們將逐步淘汰 GitHub 問題作為內容的意見反應機制,並將它取代為新的意見反應系統。 如需詳細資訊,請參閱:提交並檢視相關的意見反應