Struct.exists(String) Method

Definition

Namespace:

Microsoft.Dynamics.Ax.Xpp

Assembly:

Microsoft.Dynamics.AX.Xpp.Support.dll

Determines whether a particular item exists in a struct.

public:
 virtual bool exists(System::String ^ _fieldName);

public virtual bool exists (string _fieldName);

abstract member exists : string -> bool
override this.exists : string -> bool

Public Overridable Function exists (_fieldName As String) As Boolean

Parameters

_fieldName

String

The name of the item to check for.

Returns

Boolean

true if the item exists in the struct; otherwise, false.

Remarks

The following example tests whether a particular item exists in a struct, and if not, it adds the item and assigns a value to it using the Struct.add method.

client server static void setProp( 
    Struct     properties, 
    str        name, 
    anytype   value 
    ) 
{ 
    if (! properties.exists(name)) 
    { 
        properties.add(name,nullValue(value)); 
    } 
    properties.value(name,value); 
}