Managed C++/CLI

ChkItm1 = String::Empty;
//Now NVarchar Field - supplier_name contains Arabic & English strings.. So how to compare it?
String^ ChkItm1=String::Empty;
String^ KyPrs1=String::Empty;

ChkItm1 = MyGlobalData::PartyTbl->Rows[N7]["supplier_name"]->ToString();

//Naomi = ChkItm1->StartsWith(MyGlobalData::KyPrs1);
//if (Naomi == true) {

//The below line not working well...I don't how to put 'N' for unicode comparision..
if 'N'???????? (ChkItm1->Trim()->Substring(0, MyGlobalData::KyPrs1->Trim()->Length)=='N'????????

MyGlobalData::KyPrs1->Trim()) {
blah...blah...blah...
}

//MyProject_Datas.h 
public ref class MyUsefulDatas 
{ 
	blah...blah...blah... 
	public: static System::Void Item_Name( System::Object^ Sender, System::Windows::Forms::KeyEventArgs^ e) { 
	blah...blah...blah... 
	} 
	public: static System::Void Party_Name( System::Object^ Sender, System::Windows::Forms::KeyEventArgs^ e) { 
	blah...blah...blah... 
	} 
}; 

textBox2->KeyDown += gcnew KeyEventHandler(MyUsefulDatas, &MyUsefulDatas::Party_Name); ???????? 

textBox2->KeyDown += delegate { .....???????? }

bool IsPrinterOk(String ^printerName)
{
    bool bResult=false;
    HANDLE hPrinter;


    IntPtr pPrinterName=Marshal::StringToHGlobalUni(printerName);
    WCHAR *pChar=(WCHAR *)pPrinterName.ToPointer();

    if(::OpenPrinter(pChar,&hPrinter,NULL)==0)
        return false;

    DWORD bytesNeeded;
    ::GetPrinter(hPrinter,2,0,0,&bytesNeeded);
    PRINTER_INFO_2 *pf=(PRINTER_INFO_2 *)GlobalAlloc(GPTR,bytesNeeded);

    if(::GetPrinter(hPrinter,2,(LPBYTE)pf,bytesNeeded,&bytesNeeded)!=0)
        if(pf->cJobs==0 && pf->Status==0)
            bResult=true;

    GlobalFree(pf);

    ClosePrinter(hPrinter);

    return bResult;
}

public class MyDataGrid : DataGridView 
{
     // FOR ENTER KEY PROCESS WITH DATAGRIDVIEW
        protected override bool ProcessDialogKey(Keys keyData)
        {
            Keys key = keyData & Keys.KeyCode;
            if (key == Keys.Enter)
            {
                base.OnKeyDown(new KeyEventArgs(keyData));
                return true;
            }
            else
            {
                return base.ProcessDialogKey(keyData);
            }
        }
        //Class End
}

#include "stdafx.h"
#include "MyMainForm.h"
blah...blah...blah...blah..

Application::Run(gcnew MyMainForm());

From the bove line it shows error C2061: Syntax error : Identifier 'MyMainForm'

    #include "fmod.h"
    #include "windows.h"
    #include <string>
    #include <iostream>
    #include <msclr\marshal_cppstd.h>
    #include <conio.h>

    #pragma comment (lib, "fmodex64_vc.lib")

	using namespace System;
	using namespace System::ComponentModel;
	using namespace System::Collections;
	using namespace System::Windows::Forms;
	using namespace System::Data;
	using namespace System::Drawing;
	using namespace std;

	/// <summary>
	/// Summary for Form1
	/// </summary>
	public ref class Form1 : public System::Windows::Forms::Form
	{

	public:
		FSOUND_SAMPLE* handle;
		Form1(void)
		{
			InitializeComponent();
			//
			//TODO: Add the constructor code here
			//
		}

	protected:
		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		~Form1()
		{
			if (components)
			{
				delete components;
			}
		}
	private: System::Windows::Forms::TextBox^  textBox1;
	protected: 
	private: System::Windows::Forms::Label^  label1;
	private: System::Windows::Forms::ListBox^  list;
	private: System::Windows::Forms::Button^  button1;
	private: System::Windows::Forms::Button^  button2;


	private:
		/// <summary>
		/// Required designer variable.
		/// </summary>
		System::ComponentModel::Container ^components;

    #pragma region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		void InitializeComponent(void)
		{
			this->textBox1 = (gcnew System::Windows::Forms::TextBox());
			this->label1 = (gcnew System::Windows::Forms::Label());
			this->list = (gcnew System::Windows::Forms::ListBox());
			this->button1 = (gcnew System::Windows::Forms::Button());
			this->button2 = (gcnew System::Windows::Forms::Button());
			this->SuspendLayout();
			// 
			// textBox1
			// 
			this->textBox1->Location = System::Drawing::Point(97, 23);
			this->textBox1->Name = L"textBox1";
			this->textBox1->Size = System::Drawing::Size(518, 20);
			this->textBox1->TabIndex = 0;
			this->textBox1->TextChanged += gcnew System::EventHandler(this, &Form1::textBox1_TextChanged);
			// 
			// label1
			// 
			this->label1->AutoSize = true;
			this->label1->Location = System::Drawing::Point(12, 26);
			this->label1->Name = L"label1";
			this->label1->Size = System::Drawing::Size(79, 13);
			this->label1->TabIndex = 1;
			this->label1->Text = L"Libray Location";
			// 
			// list
			// 
			this->list->FormattingEnabled = true;
			this->list->Location = System::Drawing::Point(15, 80);
			this->list->Name = L"list";
			this->list->Size = System::Drawing::Size(757, 472);
			this->list->TabIndex = 2;
			// 
			// button1
			// 
			this->button1->Location = System::Drawing::Point(697, 571);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(75, 23);
			this->button1->TabIndex = 3;
			this->button1->Text = L"Play";
			this->button1->UseVisualStyleBackColor = true;
			this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
			// 
			// button2
			// 
			this->button2->Location = System::Drawing::Point(616, 571);
			this->button2->Name = L"button2";
			this->button2->Size = System::Drawing::Size(75, 23);
			this->button2->TabIndex = 4;
			this->button2->Text = L"Refresh";
			this->button2->UseVisualStyleBackColor = true;
			this->button2->Click += gcnew System::EventHandler(this, &Form1::button2_Click);
			// 
			// Form1
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(784, 606);
			this->Controls->Add(this->button2);
			this->Controls->Add(this->button1);
			this->Controls->Add(this->list);
			this->Controls->Add(this->label1);
			this->Controls->Add(this->textBox1);
			this->Name = L"Form1";
			this->Text = L"Form1";
			this->ResumeLayout(false);
			this->PerformLayout();

		}

		private: System::Void textBox1_TextChanged(System::Object^  sender, System::EventArgs^  e) {
			
		}
		private: System::Void button2_Click(System::Object^  sender, System::EventArgs^  e) {
			msclr::interop::marshal_context context;
			std::string standardString = context.marshal_as<std::string>(textBox1->Text);
			GetAllFiles(standardString);
			//list->Items->Add();
			
		}

		void GetAllFiles(string sPath){
		WIN32_FIND_DATA FindFileData;
		string sTmpPath = sPath;
		sTmpPath += "\\*.*";

		HANDLE hFind = FindFirstFile( sTmpPath.c_str(), &FindFileData );

		if ( hFind == INVALID_HANDLE_VALUE )
			return;
		else {
			do {
				if ( ( FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) ) {
			// if directory:
					if ( strcmp(".", FindFileData.cFileName ) && strcmp("..", FindFileData.cFileName) ) {
				sTmpPath = sPath;
						sTmpPath += "\\";
				sTmpPath += FindFileData.cFileName;
						GetAllFiles( sTmpPath.c_str() );
					}
				}
				else // if file:
				{
					sTmpPath = sPath;
					sTmpPath += "\\";
					sTmpPath += FindFileData.cFileName;
					string fileType = sTmpPath.substr(sTmpPath.length()-3, sTmpPath.length());
					if(fileType == "mp3"){
						String^ myTempPath = gcnew String(sTmpPath.c_str());
						list->Items->Add(myTempPath);//cout << sTmpPath << endl;
					}
				}
			} while ( FindNextFile( hFind, &FindFileData) != 0 );

			FindClose( hFind );
		}
		return;
	}

		private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
			// init FMOD sound system
		    FSOUND_Init (44100, 32, 0);

		    // load and play mp3
		    handle=FSOUND_Sample_Load (0,"E:\\Steve\\Music\\2 Pac\\Unknown Album\\Temptations.mp3",0, 0, 0);
		    FSOUND_PlaySound (0,handle);
			FSOUND_Sample_Free (handle);
			FSOUND_Close();
		}
};

1>c:\users\steve\documents\visual studio 2010\projects\testforms\testforms\Form1.h(26): error C2143: syntax error : missing ';' before '*'
1>c:\users\steve\documents\visual studio 2010\projects\testforms\testforms\Form1.h(26): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>c:\users\steve\documents\visual studio 2010\projects\testforms\testforms\Form1.h(26): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>c:\users\steve\documents\visual studio 2010\projects\testforms\testforms\Form1.h(187): error C3861: 'FSOUND_Init': identifier not found
1>c:\users\steve\documents\visual studio 2010\projects\testforms\testforms\Form1.h (190): error C2065: 'handle' : undeclared identifier
1>c:\users\steve\documents\visual studio 2010\projects\testforms\testforms\Form1.h(190): error C3861: 'FSOUND_Sample_Load': identifier not found
1>c:\users\steve\documents\visual studio 2010\projects\testforms\testforms\Form1.h(191): error C2065: 'handle' : undeclared identifier
1>c:\users\steve\documents\visual studio 2010\projects\testforms\testforms\Form1.h (191): error C3861: 'FSOUND_PlaySound': identifier not found
1>c:\users\steve\documents\visual studio 2010\projects\testforms\testforms\Form1.h(192): error C2065: 'handle' : undeclared identifier
1>c:\users\steve\documents\visual studio 2010\projects\testforms\testforms\Form1.h(192): error C3861: 'FSOUND_Sample_Free': identifier not found
1>c:\users\steve\documents\visual studio 2010\projects\testforms\testforms\Form1.h(193): error C3861: 'FSOUND_Close': identifier not found
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