If Konstruktorer
Definition
Viktigt
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Skapar en ny instans av If klassen.
Överlagringar
| Name | Description |
|---|---|
| If() |
Skapar en ny instans av If klassen. |
| If(Activity<Boolean>) |
Skapar en ny instans av If klassen med det angivna villkoret. |
| If(InArgument<Boolean>) |
Skapar en ny instans av If klassen med det angivna villkoret. |
| If(Expression<Func<ActivityContext,Boolean>>) |
Skapar en ny instans av If klassen med det angivna villkoret. |
If()
Skapar en ny instans av If klassen.
public:
If();
public If();
Public Sub New ()
Exempel
Följande kodexempel visar hur du skapar en If aktivitet.
new If
{
// check if the order is asking for Widgets
Condition = new InArgument<bool>( (e) => po.Get(e).PartName.Equals("Widget") ),
Then = new If
{
// check if we have enough widgets in stock
Condition = new InArgument<bool>( (e) => po.Get(e).Quantity < 100 ),
Then = new SendReply
{
DisplayName = "Successful response",
Request = submitPO,
Content = SendContent.Create(new InArgument<string>( (e) => string.Format("Success: {0} Widgets have been ordered!", po.Get(e).Quantity)) )
},
// if we don't have enough widgets, throw an unhandled exception from this operation's body
Else = new Throw
{
Exception = new InArgument<Exception>((e) => new Exception("We don't have that many Widgets."))
}
},
// if its not for widgets, reply to the client that we don't carry that part by sending back an expected fault type (POFault)
Else = new SendReply
{
DisplayName = "Expected fault",
Request = submitPO,
Content = SendContent.Create(new InArgument<FaultException<POFault>>( (e) => new FaultException<POFault>(
new POFault
{
Problem = string.Format("This company does not carry {0}s, but we do carry Widgets.", po.Get(e).PartName),
Solution = "Try your local hardware store."
},
new FaultReason("This is an expected fault.")
)))
}
}
Gäller för
If(Activity<Boolean>)
Skapar en ny instans av If klassen med det angivna villkoret.
public:
If(System::Activities::Activity<bool> ^ condition);
public If(System.Activities.Activity<bool> condition);
new System.Activities.Statements.If : System.Activities.Activity<bool> -> System.Activities.Statements.If
Public Sub New (condition As Activity(Of Boolean))
Parametrar
Exempel
Följande kodexempel visar hur du skapar en If aktivitet.
new If
{
// check if the order is asking for Widgets
Condition = new InArgument<bool>( (e) => po.Get(e).PartName.Equals("Widget") ),
Then = new If
{
// check if we have enough widgets in stock
Condition = new InArgument<bool>( (e) => po.Get(e).Quantity < 100 ),
Then = new SendReply
{
DisplayName = "Successful response",
Request = submitPO,
Content = SendContent.Create(new InArgument<string>( (e) => string.Format("Success: {0} Widgets have been ordered!", po.Get(e).Quantity)) )
},
// if we don't have enough widgets, throw an unhandled exception from this operation's body
Else = new Throw
{
Exception = new InArgument<Exception>((e) => new Exception("We don't have that many Widgets."))
}
},
// if its not for widgets, reply to the client that we don't carry that part by sending back an expected fault type (POFault)
Else = new SendReply
{
DisplayName = "Expected fault",
Request = submitPO,
Content = SendContent.Create(new InArgument<FaultException<POFault>>( (e) => new FaultException<POFault>(
new POFault
{
Problem = string.Format("This company does not carry {0}s, but we do carry Widgets.", po.Get(e).PartName),
Solution = "Try your local hardware store."
},
new FaultReason("This is an expected fault.")
)))
}
}
Gäller för
If(InArgument<Boolean>)
Skapar en ny instans av If klassen med det angivna villkoret.
public:
If(System::Activities::InArgument<bool> ^ condition);
public If(System.Activities.InArgument<bool> condition);
new System.Activities.Statements.If : System.Activities.InArgument<bool> -> System.Activities.Statements.If
Public Sub New (condition As InArgument(Of Boolean))
Parametrar
- condition
- InArgument<Boolean>
Körningsvillkoret.
Exempel
Följande kodexempel visar hur du skapar en If aktivitet.
new If
{
// check if the order is asking for Widgets
Condition = new InArgument<bool>( (e) => po.Get(e).PartName.Equals("Widget") ),
Then = new If
{
// check if we have enough widgets in stock
Condition = new InArgument<bool>( (e) => po.Get(e).Quantity < 100 ),
Then = new SendReply
{
DisplayName = "Successful response",
Request = submitPO,
Content = SendContent.Create(new InArgument<string>( (e) => string.Format("Success: {0} Widgets have been ordered!", po.Get(e).Quantity)) )
},
// if we don't have enough widgets, throw an unhandled exception from this operation's body
Else = new Throw
{
Exception = new InArgument<Exception>((e) => new Exception("We don't have that many Widgets."))
}
},
// if its not for widgets, reply to the client that we don't carry that part by sending back an expected fault type (POFault)
Else = new SendReply
{
DisplayName = "Expected fault",
Request = submitPO,
Content = SendContent.Create(new InArgument<FaultException<POFault>>( (e) => new FaultException<POFault>(
new POFault
{
Problem = string.Format("This company does not carry {0}s, but we do carry Widgets.", po.Get(e).PartName),
Solution = "Try your local hardware store."
},
new FaultReason("This is an expected fault.")
)))
}
}
Gäller för
If(Expression<Func<ActivityContext,Boolean>>)
Skapar en ny instans av If klassen med det angivna villkoret.
public:
If(System::Linq::Expressions::Expression<Func<System::Activities::ActivityContext ^, bool> ^> ^ condition);
public If(System.Linq.Expressions.Expression<Func<System.Activities.ActivityContext,bool>> condition);
new System.Activities.Statements.If : System.Linq.Expressions.Expression<Func<System.Activities.ActivityContext, bool>> -> System.Activities.Statements.If
Public Sub New (condition As Expression(Of Func(Of ActivityContext, Boolean)))
Parametrar
- condition
- Expression<Func<ActivityContext,Boolean>>
Körningsvillkoret.
Exempel
Följande kodexempel visar hur du skapar en If aktivitet.
new If
{
// check if the order is asking for Widgets
Condition = new InArgument<bool>( (e) => po.Get(e).PartName.Equals("Widget") ),
Then = new If
{
// check if we have enough widgets in stock
Condition = new InArgument<bool>( (e) => po.Get(e).Quantity < 100 ),
Then = new SendReply
{
DisplayName = "Successful response",
Request = submitPO,
Content = SendContent.Create(new InArgument<string>( (e) => string.Format("Success: {0} Widgets have been ordered!", po.Get(e).Quantity)) )
},
// if we don't have enough widgets, throw an unhandled exception from this operation's body
Else = new Throw
{
Exception = new InArgument<Exception>((e) => new Exception("We don't have that many Widgets."))
}
},
// if its not for widgets, reply to the client that we don't carry that part by sending back an expected fault type (POFault)
Else = new SendReply
{
DisplayName = "Expected fault",
Request = submitPO,
Content = SendContent.Create(new InArgument<FaultException<POFault>>( (e) => new FaultException<POFault>(
new POFault
{
Problem = string.Format("This company does not carry {0}s, but we do carry Widgets.", po.Get(e).PartName),
Solution = "Try your local hardware store."
},
new FaultReason("This is an expected fault.")
)))
}
}