hi, I want to design a report (Crystal report) programmatically but I can't find any document to help me . Please help me. Thanks for your help

Hi, I want to write a report designer but I don't know where I must begin . Please help me. Thanks

I want to resize controls like the way in Design View of C#. That's all. Thank you

hi, I am using Visual Studio 2005 . I want to resize controls at runtime in C#. Please help me! Thank you

I am using crytal Report in C# 2005 . I want to write a progam that can allow user to add lines ,Images ,Texts and move them around at runtime . I don't know how to do it Does anyone help me ? Thank you in advance. Sincerely,

how do static functions affect the performence and memory of our program ?

hi everybody, I would like to ask a question here. Is Static function advantage or disadvantage ? How are they disadvantage ? Shuold I use many static function in a program ? Thank for answering my questions , Sincerely,

hi there, I'm new to C# , I have a question abourt performence of c# application. Could you show me some ideal to improve performence ? Thank you, Sincerely,

hi everyone, I'm new to Directx . If you don't mind I'd like to ask a question . Should I use window controls in full screen mode or I have to create a new ones. Thank you for answering my question . Sincerely,

Hi, In C# code I declared like this: [DllImport("mydll.dll")] public static extern int SearchString(out double x); And I called the function: double m_vo2Max=1; SearchString(out m_vo2Max); The SearchString function is on the mydll.dll. This dll is written in VC++ and the description is here: #include "stdafx.h" #include BOOL APIENTRY DllMain( HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved ) { return TRUE; } int WINAPI SearchString (double &X) { FILE *F; char szString[255]; F= fopen("C:\\ParaLimit1.tbf", "rt"); fgets(szString, 255, F); fclose(F); return 1; } I always have an error : System.NullReferenceException Additional Information : Object reference not set to an instance of an object. I checked and found out that the error in the code below: fgets(szString, 255, F); Can you help me to solve this error. Thank you,

I'm sorry I had forgotten to write the line that the error message occur. The message occur on the line below: double vo2max,vo2kgmax,o2Pulsemax; GetPredictValues( out vo2max, out vo2kgmax,out o2Pulsemax); Thank you for your help Hai

Hello, I am trying to call c++ dll function from C#. Could anybody help me? Here is the C++ function declaration. long WINAPI GetPredictValues (double& m_vo2Max, double& m_vo2_kg_max, double& m_o2PulseMax) And this is my declaration in C#. [DllImport("c:\\ProgramFiles\\VacuMed\\turboFit\\tf32mmf.dll",SetLastError=true)] public static extern int GetPredictValues(out double vo2Max,out double vo2_kg_Max,out double o2PulseMax); And I get an error on the line below. double vo2max,vo2kgmax,o2Pulsemax; GetPredictValues( out vo2max, out vo2kgmax,out o2Pulsemax);An unhandled exception of type 'System.NullReferenceException' occurred Additional information: Object reference not set to an instance of an object Thank you for any help. Sincerely,