SyntaxFactory.NullableType 方法
定义
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重载
NullableType(TypeSyntax) |
一个类型名称,表示可以为 null 的类型,例如“Integer?”。 |
NullableType(TypeSyntax, SyntaxToken) |
一个类型名称,表示可以为 null 的类型,例如“Integer?”。 |
NullableType(TypeSyntax)
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一个类型名称,表示可以为 null 的类型,例如“Integer?”。
public:
static Microsoft::CodeAnalysis::VisualBasic::Syntax::NullableTypeSyntax ^ NullableType(Microsoft::CodeAnalysis::VisualBasic::Syntax::TypeSyntax ^ elementType);
public static Microsoft.CodeAnalysis.VisualBasic.Syntax.NullableTypeSyntax NullableType (Microsoft.CodeAnalysis.VisualBasic.Syntax.TypeSyntax elementType);
static member NullableType : Microsoft.CodeAnalysis.VisualBasic.Syntax.TypeSyntax -> Microsoft.CodeAnalysis.VisualBasic.Syntax.NullableTypeSyntax
Public Shared Function NullableType (elementType As TypeSyntax) As NullableTypeSyntax
参数
- elementType
- TypeSyntax
此类型的类型的类型可以为 null。 不能是数组类型或可为 null 的类型。
返回
适用于
NullableType(TypeSyntax, SyntaxToken)
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一个类型名称,表示可以为 null 的类型,例如“Integer?”。
public:
static Microsoft::CodeAnalysis::VisualBasic::Syntax::NullableTypeSyntax ^ NullableType(Microsoft::CodeAnalysis::VisualBasic::Syntax::TypeSyntax ^ elementType, Microsoft::CodeAnalysis::SyntaxToken questionMarkToken);
public static Microsoft.CodeAnalysis.VisualBasic.Syntax.NullableTypeSyntax NullableType (Microsoft.CodeAnalysis.VisualBasic.Syntax.TypeSyntax elementType, Microsoft.CodeAnalysis.SyntaxToken questionMarkToken);
static member NullableType : Microsoft.CodeAnalysis.VisualBasic.Syntax.TypeSyntax * Microsoft.CodeAnalysis.SyntaxToken -> Microsoft.CodeAnalysis.VisualBasic.Syntax.NullableTypeSyntax
Public Shared Function NullableType (elementType As TypeSyntax, questionMarkToken As SyntaxToken) As NullableTypeSyntax
参数
- elementType
- TypeSyntax
此类型的类型的类型可以为 null。 不能是数组类型或可为 null 的类型。
- questionMarkToken
- SyntaxToken
“?” 标记。
返回
适用于
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