/// <summary>
/// Implement this method as an external command for Revit.
/// </summary>
/// <param name="commandData">An object that is passed to the external application
/// which contains data related to the command,
/// such as the application object and active view.</param>
/// <param name="message">A message that can be set by the external application
/// which will be displayed if a failure or cancellation is returned by
/// the external command.</param>
/// <param name="elements">A set of elements to which the external application
/// can add elements that are to be highlighted in case of failure or cancellation.</param>
/// <returns>Return the status of the external command.
/// A result of Succeeded means that the API external method functioned as expected.
/// Cancelled can be used to signify that the user cancelled the external operation
/// at some point. Failure should be returned if the application is unable to proceed with
/// the operation.</returns>
public Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData,
ref string message, Autodesk.Revit.DB.ElementSet elements)
{
Autodesk.Revit.DB.Transaction newTran = null;
try
{
newTran = new Autodesk.Revit.DB.Transaction(commandData.Application.ActiveUIDocument.Document, "ViewPrinter");
newTran.Start();
PrintMgr pMgr = new PrintMgr(commandData);
if (null == pMgr.InstalledPrinterNames)
{
PrintMgr.MyMessageBox("No installed printer, the external command can't work.");
return(Autodesk.Revit.UI.Result.Cancelled);
}
using (PrintMgrForm pmDlg = new PrintMgrForm(pMgr))
{
if (pmDlg.ShowDialog() != DialogResult.Cancel)
{
newTran.Commit();
return(Autodesk.Revit.UI.Result.Succeeded);
}
newTran.RollBack();
}
}
catch (Exception ex)
{
if (null != newTran)
{
newTran.RollBack();
}
message = ex.ToString();
return(Autodesk.Revit.UI.Result.Failed);
}
return(Autodesk.Revit.UI.Result.Cancelled);
}
/// <summary>
/// Implement this method as an external command for Revit.
/// </summary>
/// <param name="commandData">An object that is passed to the external application
/// which contains data related to the command,
/// such as the application object and active view.</param>
/// <param name="message">A message that can be set by the external application
/// which will be displayed if a failure or cancellation is returned by
/// the external command.</param>
/// <param name="elements">A set of elements to which the external application
/// can add elements that are to be highlighted in case of failure or cancellation.</param>
/// <returns>Return the status of the external command.
/// A result of Succeeded means that the API external method functioned as expected.
/// Cancelled can be used to signify that the user cancelled the external operation
/// at some point. Failure should be returned if the application is unable to proceed with
/// the operation.</returns>
public Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData,
ref string message, Autodesk.Revit.DB.ElementSet elements)
{
Autodesk.Revit.DB.Transaction newTran = null;
try
{
newTran = new Autodesk.Revit.DB.Transaction(commandData.Application.ActiveUIDocument.Document, "ViewPrinter");
newTran.Start();
PrintMgr pMgr = new PrintMgr(commandData);
if (null == pMgr.InstalledPrinterNames)
{
PrintMgr.MyMessageBox("No installed printer, the external command can't work.");
return Autodesk.Revit.UI.Result.Cancelled;
}
using (PrintMgrForm pmDlg = new PrintMgrForm(pMgr))
{
if (pmDlg.ShowDialog() != DialogResult.Cancel)
{
newTran.Commit();
return Autodesk.Revit.UI.Result.Succeeded;
}
newTran.RollBack();
}
}
catch (Exception ex)
{
if (null != newTran)
newTran.RollBack();
message = ex.ToString();
return Autodesk.Revit.UI.Result.Failed;
}
return Autodesk.Revit.UI.Result.Cancelled;
}