Mint NextMove PCI Manual de usuario descargar pdf (Pagina 16)

4-6 Using the MintMT ActiveX Control

// Try function call

try

{

// Enable the drive

m_controller.setDriveEnable ( 0, true );

}

// Catch any errors

catch ( COleDispatchException *pe )

{

// Check the error code

switch ( pe->m_wCode )

{

case erMOTION_ERROR:

MessageBox ( "Drive in error, please re-start" );

break;

default:

pe->ReportError();

break;

}

pe->Delete();

}

The error code is part of the COleDispatchException class and can be accessed using the member

variable m_wCode.

All error codes are defined in the format erXXXX in the header file HOST_DEF.H that can be included in

Visual C++ files.

The same example in Visual Basic would be:

Private Sub Command1_Click()

' If an error occurs continue processing

On Error GoTo Handle_Errors

' Enable the drive

MintController.setDriveEnable 0, True

End Sub

Sub Handle_Errors()

' Check the error code

Select Case Err.Number

Case erMOTION_ERROR

MsgBox "Drive in error, please re-start"

Case Else

MsgBox Err.Description

End Select

End Sub

MintController is the name of the MintMT ActiveX control in the project.

The error code can be accessed using the Err structure. The element Number contains the error code.

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Mint NextMove PCI Manual de usuario Pagina 16

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