StringExpression Class
Definition
Important
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StringExpression - represents a property which is either a string value or a string expression.
public class StringExpression : AdaptiveExpressions.Properties.ExpressionProperty<string>type StringExpression = class
inherit ExpressionProperty<string>Public Class StringExpression
Inherits ExpressionProperty(Of String)- Inheritance
Remarks
If the value is * a string with '=' prefix then the string is treated as an expression to resolve to a string. * a string without '=' then value is treated as string with string interpolation. * You can escape the '=' prefix by putting a backslash. Examples: prop = "Hello ${user.name}" => "Hello Joe" prop = "=length(user.name)" => "3" prop = "=user.name" => "Joe" prop = "\=user" => "=user".
Constructors
| StringExpression() |
Initializes a new instance of the StringExpression class. |
| StringExpression(Expression) |
Initializes a new instance of the StringExpression class. |
| StringExpression(Func<Object,Object>) |
Initializes a new instance of the StringExpression class. |
| StringExpression(JToken) |
Initializes a new instance of the StringExpression class. |
| StringExpression(String) |
Initializes a new instance of the StringExpression class. |
Properties
| ExpressionText |
Gets or sets the expression text to evaluate to get the value. (Inherited from ExpressionProperty<T>) |
| Value |
Gets or sets the raw value of the expression property. (Inherited from ExpressionProperty<T>) |
Methods
| ConvertObject(Object) |
Convert raw object to desired value type. (Inherited from ExpressionProperty<T>) |
| GetObject(Object) |
Get value as object. (Inherited from ExpressionProperty<T>) |
| GetValue(Object) |
Get the value. (Inherited from ExpressionProperty<T>) |
| SetObject(Object) |
Set value as object. (Inherited from ExpressionProperty<T>) |
| SetValue(Object) |
Sets the value. |
| ToExpression() |
This will return the existing expression or ConstantExpression(Value) if the value is non-complex type. (Inherited from ExpressionProperty<T>) |
| ToString() |
Returns a string that represents the current object. (Inherited from ExpressionProperty<T>) |
| TryGetObject(Object) |
Try Get value as object. (Inherited from ExpressionProperty<T>) |
| TryGetValue(Object) |
Try to Get the value. (Inherited from ExpressionProperty<T>) |
Operators
| Implicit(Expression to StringExpression) |
Converts an Expression instance to a StringExpression instance. |
| Implicit(JToken to StringExpression) |
Converts a JSON Token to a StringExpression instance. |
| Implicit(String to StringExpression) |
Converts a string value to a StringExpression instance. |
Extension Methods
| GetValueAsync(StringExpression, DialogContext, CancellationToken) |
Gets a value from a string expression, using a TextTemplate. |