Dear all who is nice,

I'm the DUMBEST person on earth who just started to use VC++....
need some help on the below coding....please check the NOTE section....

thanks in advanced...

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#using <mscorlib.dll>
#using <System.dll>
#using <System.Drawing.dll>
#using <System.Windows.Forms.dll>

using namespace System;
using namespace System::Drawing;
using namespace System::Windows::Forms;

__gc class frmStart : public Form
{
public:
    frmStart();

private:
    String* UserSelect_str;

    Label *fxcommUserSelDisp_lab; // Declare an instance to a Label class

    // Declare an instance to a ComboBox class and also the events
    ComboBox *fxcomm_cbox;
    void evtSelectionChanged(Object *Sender, EventArgs *Args);

    // Declare an instance to a Button class and also the events
    Button *exit_btn;
    void evtExitButtonClick(Object *Sender, EventArgs *Args);

    Button *execute_btn;
    void evtExecuteButtonClick(Object *Sender, EventArgs *Args);

    //Declare every fx comm as a subproc
    void subBRInit(); void subWRInit(); void subBWInit(); void subWWInit();

};

frmStart::frmStart()
{

    this->StartPosition =
System::Windows::Forms::FormStartPosition::CenterScreen;
    this->Size = System::Drawing::Size(568, 260);

    // The caption of the form
    this->Text = S"MITSUBISHI: Fx Communication selection...";

// Declare all the neccessary controls in the forms
    // Use the instance of the combo box to initialize the class
    fxcomm_cbox = new ComboBox;
    fxcomm_cbox->DropDownStyle = ComboBoxStyle::DropDownList; // ComboBox Style
    fxcomm_cbox->Size = Drawing::Size(72, 21); // Width & Height
    fxcomm_cbox->Location = Point(4, 16); // position the combo box X & Y
    // Add each item to the combo box according to fx communication commands
    fxcomm_cbox->Items->Add(S"BR");
    fxcomm_cbox->Items->Add(S"WR");
    fxcomm_cbox->Items->Add(S"BW");
    fxcomm_cbox->Items->Add(S"WW");
    fxcomm_cbox->Items->Add(S"BT");
    fxcomm_cbox->Items->Add(S"WT");
    fxcomm_cbox->Items->Add(S"RR");
    fxcomm_cbox->Items->Add(S"RS");
    fxcomm_cbox->Items->Add(S"PC");
    fxcomm_cbox->Items->Add(S"GW");
    fxcomm_cbox->Items->Add(S"__");
    fxcomm_cbox->Items->Add(S"TT");
//    fxcomm_cbox->Text = S"BR"; // Specific first display
// Add the Combo box events of user selection
    fxcomm_cbox->add_SelectedIndexChanged(new EventHandler(this,
evtSelectionChanged));
    // After creating the control, add it to the form control
    this->Controls->Add(fxcomm_cbox);

    exit_btn = new Button;
    exit_btn->Text = S"E&XIT";
 exit_btn->Location = Point(488, 212);
    exit_btn->Size = Drawing::Size(64, 20);
    exit_btn->FlatStyle = FlatStyle::Flat;
    exit_btn->add_Click(new EventHandler(this, evtExitButtonClick));
    this->Controls->Add(exit_btn);

    execute_btn = new Button;
    execute_btn->Text = S"E&XIT";
 execute_btn->Location = Point(388, 212);
    execute_btn->Size = Drawing::Size(64, 20);
    execute_btn->FlatStyle = FlatStyle::Flat;
    execute_btn->add_Click(new EventHandler(this, evtExecuteButtonClick));
    this->Controls->Add(execute_btn);

    fxcommUserSelDisp_lab = new Label;
    fxcommUserSelDisp_lab->Location = Point(80, 16);
    fxcommUserSelDisp_lab->Size = Drawing::Size(472, 184);
    fxcommUserSelDisp_lab->BackColor = Drawing::Color::LightCyan;
//    fxcommUserSelDisp_lab->Text = S"BR";
    this->Controls->Add(fxcommUserSelDisp_lab);

    // ENF declare all the neccessary controls in the forms

}

void frmStart::evtSelectionChanged(Object *Sender, EventArgs *Args)
{
    UserSelect_str = fxcomm_cbox->Text;

    fxcommUserSelDisp_lab->Text = "In progress...please be patient.";

    if      ( String::Compare( UserSelect_str, "BR" ) == 0 )
        { subBRInit(); }
    else if ( String::Compare( UserSelect_str, "WR" ) == 0 )
        {    subWRInit(); }
    else if ( String::Compare( UserSelect_str, "BW" ) == 0 )
        {    subBWInit(); }
    else if ( String::Compare( UserSelect_str, "WW" ) == 0 )
        {    subWWInit(); }
    else if ( String::Compare( UserSelect_str, "BT" ) == 0 )
    { }
    else if ( String::Compare( UserSelect_str, "WT" ) == 0 )
    { }
    else if ( String::Compare( UserSelect_str, "RR" ) == 0 )
    { }
    else if ( String::Compare( UserSelect_str, "RS" ) == 0 )
    { }
    else if ( String::Compare( UserSelect_str, "PC" ) == 0 )
    { }
    else if ( String::Compare( UserSelect_str, "GW" ) == 0 )
    { }
    else if ( String::Compare( UserSelect_str, "__" ) == 0 )
    { }
}

void frmStart::subBRInit()
{
    fxcommUserSelDisp_lab->Text = "Bit devices read in units of 1 point.";
}
void frmStart::subWRInit()
{
    String* s = String::Concat(S"Bit devices read in units of 16 point, \r\n");
    s = String::Concat(s, S"or word devices read in units of 1 point.");
    fxcommUserSelDisp_lab->Text = s;
}
void frmStart::subBWInit()
{
    fxcommUserSelDisp_lab->Text = "Bit devices written in units of 1 point.";
}
void frmStart::subWWInit()
{
 fxcommUserSelDisp_lab->Text = "Bit devices written in units of 16 point,
or word devices read in units of 1 point.";
}

void frmStart::evtExecuteButtonClick(Object *Sender, EventArgs *Args)
{
//NOTE: I need the below value is a RETURN result by passing 1 parameter
//PLEASE LET ME KNOW WHERE SHOULD I DECLARED THE FUNCTION AND HOW TO
//USE IT....thanks a lot
    fxcommUserSelDisp_lab->Text = "test";
}

void frmStart::evtExitButtonClick(Object *Sender, EventArgs *Args)
{ this->Close(); }
int __stdcall WinMain()
{
    frmStart *SF = new frmStart();
    Application::Run(SF);
    return 0;
}