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DataDrivenAdapterBase.OperationHandler Method (OperationType, String, String, String)

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Calls to the DataDrivenAdapterBaseAPI to manipulate the user interface (UI) are dispatched to this handler. Override to implement custom behavior.

Namespace: Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter
Assembly: Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter (in Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter.dll)

Usage

'Usage
Dim op As OperationType
Dim controlName As String
Dim controlValue As String
Dim Data As String
Dim returnValue As String

returnValue = Me.OperationHandler(op, controlName, controlValue, Data)

Syntax

'Declaration
Protected MustOverride Function OperationHandler ( _
    op As OperationType, _
    controlName As String, _
    controlValue As String, _
    Data As String _
) As String

protected abstract string OperationHandler (
    OperationType op,
    string controlName,
    string controlValue,
    string Data
)

protected:
virtual String^ OperationHandler (
    OperationType op, 
    String^ controlName, 
    String^ controlValue, 
    String^ Data
) abstract

protected abstract String OperationHandler (
    OperationType op, 
    String controlName, 
    String controlValue, 
    String Data
)

protected abstract function OperationHandler (
    op : OperationType, 
    controlName : String, 
    controlValue : String, 
    Data : String
) : String

Parameters

  • op
    Specifies the type of the operation to be performed on the control.
  • controlName
    Specifies the name of the control.
  • controlValue
    Specifies the value to be assigned to the control.
  • Data
    Specifies the additional data to be passed for customizing the operation.

Return Value

Returns non-null for Find and Get operation types, null for Set and Execute operation types.

Exceptions

Exception type Condition
DataDrivenAdapterException

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

See Also

Reference

DataDrivenAdapterBase Class
DataDrivenAdapterBase Members
Microsoft.Uii.HostedApplicationToolkit.DataDrivenAdapter Namespace

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