IsNullConverter.Convert Method

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Converts a null value to a true bool and any other value to a false bool.

If the parameter contains "Not", "!", or "Invert", the result is inverted.

Namespace:  Microsoft.TeamFoundation.Controls.WPF.Converters
Assembly:  Microsoft.TeamFoundation.Controls (in Microsoft.TeamFoundation.Controls.dll)

Syntax

'Declaration
Public Overridable Function Convert ( _
    value As Object, _
    targetType As Type, _
    parameter As Object, _
    culture As CultureInfo _
) As Object

public virtual Object Convert(
    Object value,
    Type targetType,
    Object parameter,
    CultureInfo culture
)

public:
virtual Object^ Convert(
    Object^ value, 
    Type^ targetType, 
    Object^ parameter, 
    CultureInfo^ culture
)

abstract Convert : 
        value:Object * 
        targetType:Type * 
        parameter:Object * 
        culture:CultureInfo -> Object  
override Convert : 
        value:Object * 
        targetType:Type * 
        parameter:Object * 
        culture:CultureInfo -> Object

public function Convert(
    value : Object, 
    targetType : Type, 
    parameter : Object, 
    culture : CultureInfo
) : Object

Parameters

• value
  Type: System.Object

  null or non-null

• targetType
  Type: System.Type

  output type - Must be bool

• parameter
  Type: System.Object

  comma-separated options. "Not", "!", or "Invert" to invert the result.

• culture
  Type: System.Globalization.CultureInfo

  caller culture

Return Value

Type: System.Object
converted bool

Implements

IValueConverter.Convert(Object, Type, Object, CultureInfo)

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

IsNullConverter Class

Microsoft.TeamFoundation.Controls.WPF.Converters Namespace