Class TryBuilder

Represents structured exception handling statement.

Inheritance

object

ExpressionBuilder<TryExpression>

TryBuilder

Implements

ISupplier<TryExpression>

IFunctional<Func<TryExpression>>

Inherited Members

ExpressionBuilder<TryExpression>.OfType(Type)

ExpressionBuilder<TryExpression>.OfType<T>()

ExpressionBuilder<TryExpression>.End()

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: DotNext.Metaprogramming

Assembly: DotNext.Metaprogramming.dll

Syntax

public sealed class TryBuilder : ExpressionBuilder<TryExpression>, ISupplier<TryExpression>, IFunctional<Func<TryExpression>>

Methods

Catch(Action)

Constructs exception handling section that may capture any exception.

Declaration

public TryBuilder Catch(Action handler)

Parameters

Type	Name	Description
Action	handler	Exception handling block.

Returns

Type	Description
TryBuilder	Structured exception handler.

Exceptions

Type	Condition
InvalidOperationException	Attempts to call this method out of lexical scope.

Catch(Expression)

Constructs exception handling clause that can capture any exception.

Declaration

public TryBuilder Catch(Expression handler)

Parameters

Type	Name	Description
Expression	handler	The expression representing exception handling clause.

Returns

Type	Description
TryBuilder	this builder.

Catch(Type, Filter?, Handler)

Constructs exception handling section.

Declaration

public TryBuilder Catch(Type exceptionType, TryBuilder.Filter? filter, TryBuilder.Handler handler)

Parameters

Type	Name	Description
Type	exceptionType	Expected exception.
TryBuilder.Filter	filter	Additional filter to be applied to the caught exception.
TryBuilder.Handler	handler	Exception handling block.

Returns

Type	Description
TryBuilder	this builder.

Catch(Type, Filter?, Action<ParameterExpression>)

Constructs exception handling section.

Declaration

public TryBuilder Catch(Type exceptionType, TryBuilder.Filter? filter, Action<ParameterExpression> handler)

Parameters

Type	Name	Description
Type	exceptionType	Expected exception.
TryBuilder.Filter	filter	Additional filter to be applied to the caught exception.
Action<ParameterExpression>	handler	Exception handling block.

Returns

Type	Description
TryBuilder	Structured exception handler builder.

Exceptions

Type	Condition
InvalidOperationException	Attempts to call this method out of lexical scope.

Catch(Type, Handler)

Constructs exception handling clause.

Declaration

public TryBuilder Catch(Type exceptionType, TryBuilder.Handler handler)

Parameters

Type	Name	Description
Type	exceptionType	Expected exception.
TryBuilder.Handler	handler	Exception handling block.

Returns

Type	Description
TryBuilder	this builder.

Catch(Type, Action)

Constructs exception handling section.

Declaration

public TryBuilder Catch(Type exceptionType, Action handler)

Parameters

Type	Name	Description
Type	exceptionType	Expected exception.
Action	handler	Exception handling block.

Returns

Type	Description
TryBuilder	Structured exception handler.

Exceptions

Type	Condition
InvalidOperationException	Attempts to call this method out of lexical scope.

Catch(Type, Action<ParameterExpression>)

Constructs exception handling section.

Declaration

public TryBuilder Catch(Type exceptionType, Action<ParameterExpression> handler)

Parameters

Type	Name	Description
Type	exceptionType	Expected exception.
Action<ParameterExpression>	handler	Exception handling block.

Returns

Type	Description
TryBuilder	Structured exception handler.

Exceptions

Type	Condition
InvalidOperationException	Attempts to call this method out of lexical scope.

Catch<TException>(Handler)

Constructs exception handling clause.

Declaration

public TryBuilder Catch<TException>(TryBuilder.Handler handler) where TException : Exception

Parameters

Type	Name	Description
TryBuilder.Handler	handler	Exception handling block.

Returns

Type	Description
TryBuilder	this builder.

Type Parameters

Name	Description
TException	Expected exception.

Catch<TException>(Action)

Constructs exception handling section.

Declaration

public TryBuilder Catch<TException>(Action handler) where TException : Exception

Parameters

Type	Name	Description
Action	handler	Exception handling block.

Returns

Type	Description
TryBuilder	Structured exception handler.

Type Parameters

Name	Description
TException	Expected exception.

Exceptions

Type	Condition
InvalidOperationException	Attempts to call this method out of lexical scope.

Catch<TException>(Action<ParameterExpression>)

Constructs exception handling section.

Declaration

public TryBuilder Catch<TException>(Action<ParameterExpression> handler) where TException : Exception

Parameters

Type	Name	Description
Action<ParameterExpression>	handler	Exception handling block.

Returns

Type	Description
TryBuilder	Structured exception handler.

Type Parameters

Name	Description
TException	Expected exception.

Exceptions

Type	Condition
InvalidOperationException	Attempts to call this method out of lexical scope.

Fault(Action)

Constructs block of code which will be executed in case of any exception.

Declaration

public TryBuilder Fault(Action fault)

Parameters

Type	Name	Description
Action	fault	Fault handling block.

Returns

Type	Description
TryBuilder	this builder.

Exceptions

Type	Condition
InvalidOperationException	Attempts to call this method out of lexical scope.

Fault(Expression)

Associates expression to be returned from structured exception handling block in case of any exception.

Declaration

public TryBuilder Fault(Expression fault)

Parameters

Type	Name	Description
Expression	fault	The expression to be returned from SEH block.

Returns

Type	Description
TryBuilder	this builder.

Finally(Action)

Constructs block of code run when control leaves a try statement.

Declaration

public TryBuilder Finally(Action body)

Parameters

Type	Name	Description
Action	body	The block of code to be executed.

Returns

Type	Description
TryBuilder	this builder.

Exceptions

Type	Condition
InvalidOperationException	Attempts to call this method out of lexical scope.

Finally(Expression)

Constructs single expression run when control leaves a try statement.

Declaration

public TryBuilder Finally(Expression @finally)

Parameters

Type	Name	Description
Expression	finally	The single expression to be executed.

Returns

Type	Description
TryBuilder	this builder.

Implements

ISupplier<TResult>

IFunctional<TDelegate>

Extension Methods

BasicExtensions.As<T>(T)

BasicExtensions.GetUserData<T>(T)

BasicExtensions.IsBetween<T, TLowerBound, TUpperBound>(T, TLowerBound, TUpperBound)

BasicExtensions.IsOneOf<T>(T, ReadOnlySpan<T>)

ExpressionBuilder.Const<T>(T)

See Also

try-catch statement