==========================================================================================
C#
==========================================================================================
<C#>
-p617
=CONSOL APP
-consol에서 window form 띄우기/버튼추가/이벤트추가
=상속 받기
class MainApp:Form //:System.Windows.Forms.Form 상속(window form) - 길어서 using 추가
{
static void Main(string[] args)
{
}
} |
=windows form 생성/ 구동
class MainApp:Form //:System.Windows.Forms.Form 상속(window form) - 길어서 using 추가
{
static void Main(string[] args)
{
MainApp form = new MainApp();
Application.Run(form); //
//Application.Run(new MainApp()); // book p 617
}
} |
=버튼1 생성 - 버튼1 text 입력 / 버튼1 추가
class MainApp:Form //:System.Windows.Forms.Form 상속(window form) - 길어서 using 추가
{
static void Main(string[] args)
{
MainApp form = new MainApp();
Button button1 = new Button();
button1.Text = "button1";
form.Controls.Add(button1);
Application.Run(form); //
//Application.Run(new MainApp()); // book p 617
}
} |
=버튼2 생성 - 버튼2 text 입력 / 버튼2위치 변경 / 버튼2 text 추가
class MainApp:Form //:System.Windows.Forms.Form 상속(window form) - 길어서 using 추가
{
static void Main(string[] args)
{
MainApp form = new MainApp();
Button button1 = new Button();
button1.Text = "button1";
form.Controls.Add(button1);
Button button2 = new Button();
button2.Text = "button2";
button2.Left = 200;
form.Controls.Add(button2);
Application.Run(form); //
//Application.Run(new MainApp()); // book p 617
}
} |
=이벤트 핸들러 -
-선택시 자동 코드 생성됨
-동작할 내용 코딩
private static void button1_Click(object sender, EventArgs e)
{
MessageBox.Show(sender.ToString());
MessageBox.Show(e.ToString());
} |
static void button2_Click(object sender, EventArgs e)
{
throw new NotImplementedException();
}
|
-ALT-F5
-CTRL-F5
==============================================================================================
=WINDOWS FORM APP
=델리게이트 => 이벤트객체에 메소드객체(메소드 객체의 위임 객체)를 붙임
=원래 한곳에 모여 있었으나 코딩 라인이 길어 목적에 맞게 나눔 => partial class
=종료
=OS가 APP메세지 전달 = 메시지 가로채기( 내용 바꿀수 있음 )
-우클릭 => 좌클릭 / NULL
=메세지 필터
: IMessageFilter // 인터페이스 상속
=예제 P643
private void Form1_Load(object sender, EventArgs e)
{
}
private void cboFont_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void chkBold_CheckedChanged(object sender, EventArgs e)
{
}
private void chkItalic_CheckedChanged(object sender, EventArgs e)
{
} |
=
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace wintest1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
void ChangeFont()
{
if (cboFont.SelectedIndex < 0)
return;
FontStyle style = FontStyle.Regular;
if (chkBold.Checked)
style |= FontStyle.Bold;
if (chkItalic.Checked)
style |= FontStyle.Italic;
txtSampleText.Font = new Font((string)cboFont.SelectedItem, 10, style);
}
private void Form1_Load(object sender, EventArgs e)
{
var Fonts = FontFamily.Families;
foreach (FontFamily font in Fonts)
cboFont.Items.Add(font.Name);
}
private void cboFont_SelectedIndexChanged(object sender, EventArgs e)
{
ChangeFont();
}
private void chkBold_CheckedChanged(object sender, EventArgs e)
{
ChangeFont();
}
private void chkItalic_CheckedChanged(object sender, EventArgs e)
{
ChangeFont();
}
}
}
|
=이벤트구동형 ( Event Driven Pro...)
:순서 의미 없음
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace wintest1
{
public partial class Form1 : Form
{
Random random = new Random(37);
public Form1()
{
InitializeComponent();
lvDummy.Columns.Add("Name");
lvDummy.Columns.Add("Depth");
}
void ChangeFont()
{
if (cboFont.SelectedIndex < 0)
return;
FontStyle style = FontStyle.Regular;
if (chkBold.Checked)
style |= FontStyle.Bold;
if (chkItalic.Checked)
style |= FontStyle.Italic;
txtSampleText.Font = new Font((string)cboFont.SelectedItem, 10, style);
}
private void Form1_Load(object sender, EventArgs e) // Font 가져옴
{
var Fonts = FontFamily.Families;
foreach (FontFamily font in Fonts)
cboFont.Items.Add(font.Name);
}
private void cboFont_SelectedIndexChanged(object sender, EventArgs e) //
{
ChangeFont();
}
private void chkBold_CheckedChanged(object sender, EventArgs e)
{
ChangeFont();
}
private void chkItalic_CheckedChanged(object sender, EventArgs e)
{
ChangeFont();
}
private void tbDummy_Scroll(object sender, EventArgs e)
{
pgDummy.Value = tbDummy.Value;
}
private void btnModal_Click(object sender, EventArgs e)
{
Form frm = new Form();
frm.Text = "Modal Form";
frm.Width = 300;
frm.Height = 100;
frm.BackColor = Color.Red;
frm.ShowDialog();
}
private void btnModaless_Click(object sender, EventArgs e)
{
Form frm = new Form();
frm.Text = "Modaless Form";
frm.Width = 300;
frm.Height = 300;
frm.BackColor = Color.Green;
frm.ShowDialog();
}
private void btnMsgBox_Click(object sender, EventArgs e)
{
MessageBox.Show(txtSampleText.Text, "MessageBox Test", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
void TreeToList()
{
lvDummy.Items.Clear();
foreach (TreeNode node in tvDummy.Nodes)
TreeToList(node);
}
void TreeToList(TreeNode Node)
{
lvDummy.Items.Add(
new ListViewItem(new string[] { Node.Text, Node.FullPath.Count(f => f == '\\').ToString() }));
foreach(TreeNode node in Node.Nodes)
{
TreeToList(node);
}
}
private void btnAddRoot_Click(object sender, EventArgs e)
{
tvDummy.Nodes.Add(random.Next().ToString());
TreeToList();
}
private void btnAddChild_Click(object sender, EventArgs e)
{
if(tvDummy.SelectedNode == null)
{
MessageBox.Show("선택된 노드가 없습니다.",
"TreeView Test", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
tvDummy.SelectedNode.Nodes.Add(random.Next().ToString());
tvDummy.SelectedNode.Expand();
TreeToList();
}
}
}
|
==========================================================================================
C++
==========================================================================================
<C++>
=
C책 P387
http://itsmart333.tistory.com/186
int *A = new int[3];
delete []A;
int **B = new int*[3];
delete []B;
int *A = &B;
int (*C)[3] = new int[2][3]
delete []C;
#include <iostream>
using namespace std;
int main(void)
{
int arr[2][2][2] = {
{ { 1, 2 },
{ 3, 4 } },
{ { 5, 6 },
{ 7, 8 } }
};
printf("%d \n", arr[0][0][1]);
printf("%d \n", *(*(*(arr + 1) + 0) + 1));
printf("%d \n", (*(arr + 1))[0][1]);
printf("%d \n", (*(*(arr + 1) + 0))[1]);
printf("%d \n", *(*(arr[1] + 0) + 1));
printf("%d \n", (*(arr[1] + 0))[1]);
printf("%d \n", *(arr[1][0] + 1));
int *A = new int[3];
int **B = new int*[3];
int(*C)[3] = new int[2][3];
cout << C << endl;
cout << C + 1 << endl;
cout << ((C + 1) - C) / 0x04 << endl;
cout << sizeof(int) << endl;
cout << sizeof(*C) << endl;
cout << sizeof(C) << endl;
cout << sizeof(**C) << endl;
cout << sizeof((*C)[3]) << endl;
cout << sizeof(C[0][0]) << endl;
for (int i = 0; i < 2; ++i) //sizeof(*(C[3]))
for (int j = 0; j < sizeof(*C)/sizeof(**C); ++j)
C[i][j] = (i + 1)*(j + 1);
for (int i = 0; i < 2; ++i)
for (int j = 0; j < sizeof(*C)/sizeof(**C); ++j)
cout << C[i][j] << endl;
delete[]C;
return 0;
} |
=car class 코딩하기
=car class
#include <iostream>
#include <string.h>
using namespace std;
class CAR
{
private:
int iColor;
int iSpeed;
char *cName;
void CarName(const char *);
public:
CAR();
CAR(const char *);
CAR(const CAR &);
~CAR();
void SetColor(const int);
void SetSpeed(const int);
void SetName(const char *);
void Print(ostream *IN);
void CAR operator = (CAR &); // 연산자 재정의
void operator+=(CAR &IN);
};
void CAR::CarName(const char * T)
{
iColor = 0;
iSpeed = 0;
cName = new char[strlen(T)+1];
strcpy(cName, T);
cout << cName << "이 생성 되었습니다\n";
}
CAR::CAR()
{
CarName("car");
/*
iColor = 0;
iSpeed = 0;
cName = new char[strlen("car")+1];
strcpy(cName,"car");
cout << cName << "이 생성 되었습니다\n";*/
}
CAR::CAR(const char * T)
{
CarName(T);
/*
iColor = 0;
iSpeed = 0;
cName = new char[strlen(T)+1];
strcpy(cName, T);
cout << cName << "이 생성 되었습니다\n";*/
}
CAR::CAR(const CAR & A)
{
iColor = A.iColor;
iSpeed = A.iSpeed;
cName = new char[strlen(A.cName)+1];
strcpy(cName, A.cName);
cout << cName << "이 복사 생성 되었습니다\n";
}
CAR::~CAR()
{
cout << cName << "이 소멸 되었습니다\n";
delete [] cName;
}
void CAR::SetColor(const int ic)
{
iColor = ic;
cout << cName << " Color : " << iColor << " 로 변경 되었습니다\n";
}
void CAR::SetSpeed(const int is)
{
iSpeed = is;
cout << cName << " Speed : " << iSpeed << " 로 변경 되었습니다\n";
}
void CAR::SetName(const char * cn)
{
cout << cName << " Name : ";
delete [] cName;
cName = new char[strlen(cn)+1];
strcpy(cName, cn);
cout << cName << " 로 변경 되었습니다\n";
}
//void Print(ostream *IN);
void CAR::operator=(const CAR & T) // 연산자 재정의
{
//iColor = T.iColor;
//iSpeed = T.Speed;
cout << "operator=\n";
SetColor(T.iColor); // 인라인으로 하면 좋음
SetSpeed(T.iColor);
SetName(T.cName);
}
//void operator+=(CAR &IN);
int main()
{
CAR obj1;
CAR obj2=obj1;
obj1.SetName("ca1");
obj1.SetColor(1);
obj1.SetSpeed(10);
obj2.SetName("ca2");
obj2.SetColor(2);
obj2.SetSpeed(20);
return 0;
}
|
=CAR3 = CAR2 = CAR1
CAR2 = CAR1 ====> void형 남음
CAR3 = void ====> ERROR
void CAR::operator=(const CAR & T) // 연산자 재정의
{
//iColor = T.iColor;
//iSpeed = T.Speed;
cout << "operator=\n";
SetColor(T.iColor); // 인라인으로 하면 좋음
SetSpeed(T.iColor);
SetName(T.cName);
cout << "====================\n";
} |
===============>> const CAR 반환하도록 변경필요
=void => const CAR로 변경
CAR2 = CAR1
CAR3 = CAR2 = CAR1 => return *this시 임시객체 생성 : 복사생성자 호출 ( = 연산자 2번 호출 되므로 복사생성 2번 됨)
const CAR CAR::operator=(const CAR & T) // 연산자 재정의
{
//iColor = T.iColor;
//iSpeed = T.Speed;
cout << "operator=\n";
SetColor(T.iColor); // 인라인으로 하면 좋음
SetSpeed(T.iColor);
SetName(T.cName);
cout << "====================\n";
return *this;
}
|
= C개념 추가(출력 ON/OFF)
#define DEBUG
cout << ...
#endif
-DDUBUG
#include <iostream>
#include <string.h>
using namespace std;
class CAR
{
private:
int iColor;
int iSpeed;
char *cName;
void CarName(const char *);
public:
CAR();
CAR(const char *);
CAR(const CAR &);
~CAR();
void SetColor(const int);
void SetSpeed(const int);
void SetName(const char *);
void Print(ostream *IN);
const CAR operator=(const CAR &); // 연산자 재정의
void operator+=(CAR &IN);
};
void CAR::CarName(const char * T)
{
iColor = 0;
iSpeed = 0;
cName = new char[strlen(T)+1];
strcpy(cName, T);
#ifdef DEBUG // DEBUG
cout << cName << "이 생성 되었습니다\n";
#endif
}
CAR::CAR()
{
CarName("car");
/*
iColor = 0;
iSpeed = 0;
cName = new char[strlen("car")+1];
strcpy(cName,"car");
cout << cName << "이 생성 되었습니다\n";*/
}
CAR::CAR(const char * T)
{
CarName(T);
/*
iColor = 0;
iSpeed = 0;
cName = new char[strlen(T)+1];
strcpy(cName, T);
cout << cName << "이 생성 되었습니다\n";*/
}
CAR::CAR(const CAR & A)
{
iColor = A.iColor;
iSpeed = A.iSpeed;
cName = new char[strlen(A.cName)+1];
strcpy(cName, A.cName);
#ifdef DEBUG // DEBUG
cout << cName << "이 복사 생성 되었습니다\n";
#endif
}
CAR::~CAR()
{
#ifdef DEBUG // DEBUG
cout << cName << "이 소멸 되었습니다\n";
#endif
delete [] cName;
}
void CAR::SetColor(const int ic)
{
iColor = ic;
#ifdef DEBUG // DEBUG
cout << cName << " Color : " << iColor << " 로 변경 되었습니다\n";
#endif
}
void CAR::SetSpeed(const int is)
{
iSpeed = is;
#ifdef DEBUG // DEBUG
cout << cName << " Speed : " << iSpeed << " 로 변경 되었습니다\n";
#endif
}
void CAR::SetName(const char * cn)
{
#ifdef DEBUG // DEBUG
cout << cName << " Name : ";
#endif
delete [] cName;
cName = new char[strlen(cn)+1];
strcpy(cName, cn);
#ifdef DEBUG // DEBUG
cout << cName << " 로 변경 되었습니다\n";
#endif
}
//void Print(ostream *IN);
const CAR CAR::operator=(const CAR & T) // 연산자 재정의
{
//iColor = T.iColor;
//iSpeed = T.Speed;
#ifdef DEBUG // DEBUG
cout << "operator=\n";
#endif
SetColor(T.iColor); // 인라인으로 하면 좋음
SetSpeed(T.iColor);
SetName(T.cName);
#ifdef DEBUG // DEBUG
cout << "====================\n";
#endif
return *this;
}
//void operator+=(CAR &IN);
int main()
{
CAR car1;
CAR car2("BMW");
CAR car3("내꺼");
car3 = car2 = car1;
return 0;
}
/*
int main()
{
CAR obj1;
CAR obj2=obj1;
obj1.SetName("ca1");
obj1.SetColor(1);
obj1.SetSpeed(10);
obj2.SetName("ca2");
obj2.SetColor(2);
obj2.SetSpeed(20);
return 0;
}*/
|
