Printing Problem (It print blank page)

ThePhantomUpvoter thank you for ur time ... this is the full code :


#pragma once


namespace printing3 {

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 System::Drawing::Printing;
using namespace System::IO;

///

/// Summary for Form1
///
/// WARNING: If you change the name of this class, you will need to change the
/// 'Resource File Name' property for the managed resource compiler tool
/// associated with all .resx files this class depends on. Otherwise,
/// the designers will not be able to interact properly with localized
/// resources associated with this form.
///

public ref class Form1 : public System::Windows::Forms::Form
{
public:
Form1(void)
{
InitializeComponent();
//
//TODO: Add the constructor code here
//
}

protected:
///

/// Clean up any resources being used.
///

~Form1()
{
if (components)
{
delete components;
}
}
private: System::Windows::Forms::PrintDialog^ PrintDialog1;
private: System::Windows::Forms::Button^ Button1;
private: System::Drawing::Printing::PrintDocument^ document;
private: System::Windows::Forms::Button^ button2;


protected:

private:
///

/// Required designer variable.
///

System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code
///

/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
///

void InitializeComponent(void)
{
this->PrintDialog1 = (gcnew System::Windows::Forms::PrintDialog());
this->document = (gcnew System::Drawing::Printing::PrintDocument());
this->Button1 = (gcnew System::Windows::Forms::Button());
this->button2 = (gcnew System::Windows::Forms::Button());
this->SuspendLayout();
//
// PrintDialog1
//
this->PrintDialog1->AllowCurrentPage = true;
this->PrintDialog1->AllowSomePages = true;
this->PrintDialog1->Document = this->document;
this->PrintDialog1->Tag = L"";
this->PrintDialog1->UseEXDialog = true;
//
// document
//
this->document->PrintPage += gcnew System::Drawing::Printing::PrintPageEventHandler(this, &Form1::document_PrintPage_1);
//
// Button1
//
this->Button1->Location = System::Drawing::Point(107, 79);
this->Button1->Name = L"Button1";
this->Button1->Size = System::Drawing::Size(75, 23);
this->Button1->TabIndex = 0;
this->Button1->Text = L"button1";
this->Button1->UseVisualStyleBackColor = true;
this->Button1->Click += gcnew System::EventHandler(this, &Form1::Button1_Click_1);
//
// button2
//
this->button2->Location = System::Drawing::Point(107, 129);
this->button2->Name = L"button2";
this->button2->Size = System::Drawing::Size(75, 23);
this->button2->TabIndex = 1;
this->button2->Text = L"pritn direkt";
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(292, 266);
this->Controls->Add(this->button2);
this->Controls->Add(this->Button1);
this->Name = L"Form1";
this->Text = L"Form1";
this->ResumeLayout(false);

}
#pragma endregion
// Declare the PrintDocument object.

private: System::Void Button1_Click_1(System::Object^ sender, System::EventArgs^ e) {
PrintDialog1->AllowSomePages = true;

PrintDialog1->ShowHelp = true;

PrintDocument ^docToPrint = gcnew PrintDocument;
PrintDialog1->Document = docToPrint;
if ( docToPrint == nullptr )
System::Windows::F