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How do I print ActiveX type from .NET

Posted on 2009-05-06
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Last Modified: 2013-12-17
Ive written a program to dump out using .NET the objects in a crystal report.  This uses Crystals RDC ActiveX component.

Here is the problem.  When I dump an ActiveX object, I dont see the ActiveX type.  Here is what I see:

oFld.Field=System.__ComObject

Every Com object is seen as System.__ComObject.

How do I see the ActiveX type (which in this case might be IParameterField) of oFld.Field?

Im programming in C#.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using CRAXDDRT;
 
namespace Dumper
{
    class Dumper
    {
        static void Main(string[] args)
        {
            Application crApp = new Application();
            Report report;
            report = crApp.OpenReport("c:\\Reports\CurrentAdmissions.rpt", 0);
            ProcessReport(report);
        }
 
        static void ProcessReport(IReport report) {
            foreach (Section section in report.Sections)
            {
                Console.WriteLine("Section Name=" + section.Name);
                if (section.ReportObjects.Count != 0)
                {
                    foreach (Object item in section.ReportObjects)
                    {
                        if (item is ITextObject)
                        {
 
                            ITextObject oTxt = (ITextObject)item;
                            Console.WriteLine("oTxt.BackColor=" + oTxt.BackColor);
                            Console.WriteLine("oTxt.BorderColor = " + oTxt.BorderColor);
                            Console.WriteLine("oTxt.BottomLineStyle = " + oTxt.BottomLineStyle);
                            Console.WriteLine("oTxt.CanGrow = " + oTxt.CanGrow);
                            Console.WriteLine("oTxt.CharacterSpacing = " + oTxt.CharacterSpacing);
                            Console.WriteLine("oTxt.CloseAtPageBreak = " + oTxt.CloseAtPageBreak);
                            //Console.WriteLine("oTxt.ConditionFormula = " + oTxt.ConditionFormula(0));
                            Console.WriteLine("oTxt.CssClass = " + oTxt.CssClass);
                            //Console.WriteLine("oTxt.FieldElements = " + oTxt.FieldElements.);
                            Console.WriteLine("oTxt.FirstLineIndent = " + oTxt.FirstLineIndent);
                            Console.WriteLine("oTxt.Font = " + oTxt.Font);
                            Console.WriteLine("oTxt.HasDropShadow = " + oTxt.HasDropShadow);
                            Console.WriteLine("oTxt.Height = " + oTxt.Height);
                            Console.WriteLine("oTxt.HorAlignment = " + oTxt.HorAlignment);
                            Console.WriteLine("oTxt.HyperlinkText = " + oTxt.HyperlinkText);
                            Console.WriteLine("oTxt.HyperlinkType = " + oTxt.HyperlinkType);
                            Console.WriteLine("oTxt.KeepTogether = " + oTxt.KeepTogether);
                            Console.WriteLine("oTxt.Kind = " + oTxt.Kind);
                            Console.WriteLine("oTxt.Left = " + oTxt.Left);
                            Console.WriteLine("oTxt.LeftIndent = " + oTxt.LeftIndent);
                            Console.WriteLine("oTxt.LeftLineStyle = " + oTxt.LeftLineStyle);
                            Console.WriteLine("oTxt.LineSpacing = " + oTxt.LineSpacing);
                            Console.WriteLine("oTxt.LineSpacingType = " + oTxt.LineSpacingType);
                            Console.WriteLine("oTxt.MaxNumberOfLines = " + oTxt.MaxNumberOfLines);
                            Console.WriteLine("oTxt.Name = " + oTxt.Name);
                            Console.WriteLine("oTxt.RightIndent = " + oTxt.RightIndent);
                            Console.WriteLine("oTxt.RightLineStyle = " + oTxt.RightLineStyle);
                            Console.WriteLine("oTxt.Suppress = " + oTxt.Suppress);
                            Console.WriteLine("oTxt.SuppressIfDuplicated = " + oTxt.SuppressIfDuplicated);
                            Console.WriteLine("oTxt.Text = " + oTxt.Text);
                            Console.WriteLine("oTxt.TextColor = " + oTxt.TextColor);
                            Console.WriteLine("oTxt.TextRotationAngle = " + oTxt.TextRotationAngle);
                            Console.WriteLine("oTxt.Top = " + oTxt.Top);
                            Console.WriteLine("oTxt.TopLineStyle = " + oTxt.TopLineStyle);
                            Console.WriteLine("oTxt.Width = " + oTxt.Width);
                            Console.WriteLine("oTxt.FieldElements=" + oTxt.FieldElements);
 
 
                        }
                        else if (item is IFieldObject)
                        {
                            IFieldObject oFld = (IFieldObject)item;
                            Console.WriteLine("oFld.Name = " + oFld.Name);
                            Console.WriteLine("oFld.Value = " + oFld.Value);
                            Console.WriteLine("oFld.AmPmType = " + oFld.AmPmType);
                            Console.WriteLine("oFld.AmString = " + oFld.AmString);
                            Console.WriteLine("oFld.BackColor = " + oFld.BackColor);
                            Console.WriteLine("oFld.BooleanOutputType = " + oFld.BooleanOutputType);
                            Console.WriteLine("oFld.BorderColor = " + oFld.BorderColor);
                            Console.WriteLine("oFld.BottomLineStyle = " + oFld.BottomLineStyle);
                            Console.WriteLine("oFld.CanGrow = " + oFld.CanGrow);
                            Console.WriteLine("oFld.CharacterSpacing = " + oFld.CharacterSpacing);
                            Console.WriteLine("oFld.CloseAtPageBreak = " + oFld.CloseAtPageBreak);
                            //Console.WriteLine("oFld.ConditionFormula = " + oFld.ConditionFormula(??));
                            Console.WriteLine("oFld.CssClass = " + oFld.CssClass);
                            Console.WriteLine("oFld.CurrencyPositionType = " + oFld.CurrencyPositionType);
                            Console.WriteLine("oFld.CurrencySymbol = " + oFld.CurrencySymbol);
                            Console.WriteLine("oFld.CurrencySymbolType = " + oFld.CurrencySymbolType);
                            Console.WriteLine("oFld.DateCalendarType = " + oFld.DateCalendarType);
                            Console.WriteLine("oFld.DateEraType = " + oFld.DateEraType);
                            Console.WriteLine("oFld.DateFirstSeparator = " + oFld.DateFirstSeparator);
                            Console.WriteLine("oFld.DateOrder="+oFld.DateOrder);
                            Console.WriteLine("oFld.DatePrefixSeparator="+oFld.DatePrefixSeparator);
                            Console.WriteLine("oFld.DateSecondSeparator="+oFld.DateSecondSeparator);
                            Console.WriteLine("oFld.DateSuffixSeparator="+oFld.DateSuffixSeparator);
                            Console.WriteLine("oFld.DateWindowsDefaultType="+oFld.DateWindowsDefaultType);
                            Console.WriteLine("oFld.DayType="+oFld.DayType);
                            Console.WriteLine("oFld.DecimalPlaces="+oFld.DecimalPlaces);
                            Console.WriteLine("oFld.DecimalSymbol="+oFld.DecimalSymbol);
                            Console.WriteLine("oFld.DisplayReverseSign="+oFld.DisplayReverseSign);
                            Console.WriteLine("oFld.EnableTightHorizontal="+oFld.EnableTightHorizontal);
                            Console.WriteLine("oFld.FirstLineIndent="+oFld.FirstLineIndent);
                            Console.WriteLine("oFld.Font="+oFld.Font);
                            Console.WriteLine("oFld.HasDropShadow="+oFld.HasDropShadow);
                            Console.WriteLine("oFld.Height="+oFld.Height);
                            Console.WriteLine("oFld.HorAlignment="+oFld.HorAlignment);
                            Console.WriteLine("oFld.HourMinuteSeparator="+oFld.HourMinuteSeparator);
                            Console.WriteLine("oFld.HourType="+oFld.HourType);
                            Console.WriteLine("oFld.HyperlinkText="+oFld.HyperlinkText);
                            Console.WriteLine("oFld.HyperlinkType="+oFld.HyperlinkType);
                            Console.WriteLine("oFld.KeepTogether="+oFld.KeepTogether);
                            Console.WriteLine("oFld.Kind="+oFld.Kind);
                            Console.WriteLine("oFld.LeadingDayPosition="+oFld.LeadingDayPosition);
                            Console.WriteLine("oFld.LeadingDaySeparator="+oFld.LeadingDaySeparator);
                            Console.WriteLine("oFld.LeadingDayType="+oFld.LeadingDayType);
                            Console.WriteLine("oFld.Left="+oFld.Left);
                            Console.WriteLine("oFld.LeftIndent="+oFld.LeftIndent);
                            Console.WriteLine("oFld.LeftLineStyle="+oFld.LeftLineStyle);
                            Console.WriteLine("oFld.LineSpacing="+oFld.LineSpacing);
                            Console.WriteLine("oFld.LineSpacingType="+oFld.LineSpacingType);
                            Console.WriteLine("oFld.MaxNumberOfLines="+oFld.MaxNumberOfLines);
                            Console.WriteLine("oFld.MinuteSecondSeparator="+oFld.MinuteSecondSeparator);
                            Console.WriteLine("oFld.MinuteType="+oFld.MinuteType);
                            Console.WriteLine("oFld.MonthType="+oFld.MonthType);
                            Console.WriteLine("oFld.Name="+oFld.Name);
                            Console.WriteLine("oFld.NegativeType="+oFld.NegativeType);
                            Console.WriteLine("oFld.NextValue="+oFld.NextValue);
                            Console.WriteLine("oFld.PmString="+oFld.PmString);
                            Console.WriteLine("oFld.PreviousValue="+oFld.PreviousValue);
                            Console.WriteLine("oFld.RightIndent="+oFld.RightIndent);
                            Console.WriteLine("oFld.RightLineStyle="+oFld.RightLineStyle);
                            Console.WriteLine("oFld.RoundingType="+oFld.RoundingType);
                            Console.WriteLine("oFld.SecondType="+oFld.SecondType);
                            Console.WriteLine("oFld.Suppress="+oFld.Suppress);
                            Console.WriteLine("oFld.SuppressIfDuplicated="+oFld.SuppressIfDuplicated);
                            Console.WriteLine("oFld.SuppressIfZero="+oFld.SuppressIfZero);
                            Console.WriteLine("oFld.TextColor="+oFld.TextColor);
                            Console.WriteLine("oFld.TextFormat="+oFld.TextFormat);
                            Console.WriteLine("oFld.TextRotationAngle="+oFld.TextRotationAngle);
                            Console.WriteLine("oFld.ThousandsSeparators="+oFld.ThousandsSeparators);
                            Console.WriteLine("oFld.ThousandSymbol="+oFld.ThousandSymbol);
                            Console.WriteLine("oFld.TimeBase="+oFld.TimeBase);
                            Console.WriteLine("oFld.Top="+oFld.Top);
                            Console.WriteLine("oFld.TopLineStyle="+oFld.TopLineStyle);
                            Console.WriteLine("oFld.UseLeadingZero="+oFld.UseLeadingZero);
                            Console.WriteLine("oFld.UseOneSymbolPerPage="+oFld.UseOneSymbolPerPage);
                            Console.WriteLine("oFld.UseSystemDefaults="+oFld.UseSystemDefaults);
                            Console.WriteLine("oFld.Value="+oFld.Value);
                            Console.WriteLine("oFld.Width="+oFld.Width);
                            Console.WriteLine("oFld.YearType="+oFld.YearType);
                            Console.WriteLine("oFld.ZeroValueString="+oFld.ZeroValueString);
                            Console.WriteLine("oFld.Field=" + oFld.Field);
 
 
                        }
                        else if (item is ILineObject)
                        {
                            ILineObject oLine = (ILineObject)item;
                            Console.WriteLine("oLine.Bottom = " + oLine.Bottom);
                            //Console.WriteLine("oLine.ConditionFormula = " + oLine.ConditionFormula);
                            Console.WriteLine("oLine.CssClass = " + oLine.CssClass);
                            //Console.WriteLine("oLine.EndSection = " + oLine.EndSection. ' structure...);
                            Console.WriteLine("oLine.ExtendToBottomOfSection = " + oLine.ExtendToBottomOfSection);
                            Console.WriteLine("oLine.Kind = " + oLine.Kind);
                            Console.WriteLine("oLine.Left = " + oLine.Left);
                            Console.WriteLine("oLine.LineColor = " + oLine.LineColor);
                            Console.WriteLine("oLine.LineStyle = " + oLine.LineStyle);
                            Console.WriteLine("oLine.LineThickness = " + oLine.LineThickness);
                            Console.WriteLine("oLine.Name = " + oLine.Name);
                            Console.WriteLine("oLine.Right = " + oLine.Right);
                            Console.WriteLine("oLine.Suppress = " + oLine.Suppress);
                            Console.WriteLine("oLine.Top = " + oLine.Top);
 
                        }
                        else if (item is ICROleObject)
                        {
                        }
                        else if (item is ISubreportObject)
                        {
                            ISubreportObject oSubReport = (ISubreportObject)item;
                            Console.WriteLine("oSubReport = " + oSubReport.Name);
                            IReport sr = oSubReport.OpenSubreport();
                            ProcessReport(sr);
                        }
                        else
                        {
                            Console.WriteLine("Unimplemented type: " + item);
                        }
 
                    }
 
                }
 
 
            }
        }
    }
}

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Question by:jslevinson
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4 Comments
 

Author Comment

by:jslevinson
ID: 24319791
I've increased the value of the question.
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LVL 23

Accepted Solution

by:
Jens Fiederer earned 500 total points
ID: 24327299
This article is in VB rather than c#, but the same principles should apply:

http://msdn.microsoft.com/en-us/magazine/2009.01.basicinstincts.aspx
0
 

Author Closing Comment

by:jslevinson
ID: 31578465
I programmed a DLL in VB.NET with this solution.  So I did not have full C# solution but the solution works.  The C# code calls the VB.NET DLL to print out the type.
0
 
LVL 23

Expert Comment

by:Jens Fiederer
ID: 24330505
Cool, multi-language development in action!
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