win32day09-对话框/子控件/静态块/按钮/文本编辑框

Posted 吴英强

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对话框

1 对话框的分类

2 对话框的基本使用方式

3 对话框资源

4 有模式对话框的使用

5 无模式对话框的使用

 5.1 添加对话框资源

 5.2 定义窗口处理函数

   BOOL CALLBACK DialogProc(

HWND hwndDlg,  // handle to dialog box

UINT uMsg,     // message

WPARAM wParam, // first message parameter

LPARAM lParam ); // second message parameter

5.3 创建对话框

   HWND CreateDialog(

  HINSTANCE hInstance,//应用程序实例句柄

  LPCTSTR lpTemplate,//对话框的资源ID

  HWND hWndParent,//父窗口

  DLGPROC lpDialogFunc );//对话框的窗口处理函数

 返回值是创建好的对话框的窗口句柄。

5.4 显示对话框

   ShowWindow

5.5 关闭对话框

   EndDialog


点击查找的时候, 无模式对话框出来。

// WinModelessDlg.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "resource.h"

HINSTANCE g_hInst = NULL;

BOOL CALLBACK FindDlgProc( HWND hWnd,
	UINT nMsg, WPARAM wParam, LPARAM lParam )

	switch( nMsg )
	
	case WM_CREATE:
		MessageBox( NULL, "WM_CREATE",
			"WinDlg", MB_OK );
		break;
	case WM_INITDIALOG:
		MessageBox( NULL, "WM_INITDIALOG",
			"WinDlg", MB_OK );
		break;
	case WM_SYSCOMMAND:
		
			switch( wParam )
			
			case SC_CLOSE:
				EndDialog( hWnd, 0 );
				break;
			
		
		break;
	
	return 0;


void Find( HWND hWnd )
	//创建对话框
	HWND hDlg = CreateDialog( g_hInst, 
		MAKEINTRESOURCE(IDD_FIND),
		hWnd, FindDlgProc );
	//显示对话框
	ShowWindow( hDlg, SW_SHOW );


void OnCommand( HWND hWnd, UINT nMsg,
	WPARAM wParam, LPARAM lParam )

	int nCmdID = LOWORD( wParam );
	switch( nCmdID )
	
	case ID_EXIT:
		PostQuitMessage( 0 );
		break;
	case ID_FIND:
		Find( hWnd );
		break;
	


LRESULT CALLBACK WndProc( HWND   hWnd, 
						  UINT   nMsg,
						  WPARAM wParam,
						  LPARAM lParam )

	switch( nMsg )
	
	case WM_COMMAND:
		OnCommand( hWnd, nMsg, wParam, lParam );
		break;
	case WM_DESTROY:
		PostQuitMessage( 0 );
		return 0;
	
	return DefWindowProc( hWnd, nMsg,
		wParam, lParam );


BOOL RegisterWnd( LPSTR pszClassName )

	WNDCLASSEX wce =  0 ;
	wce.cbSize        = sizeof( wce );
	wce.cbClsExtra    = 0;
	wce.cbWndExtra    = 0;
	wce.hbrBackground = HBRUSH(COLOR_WINDOW);
	wce.hCursor       = NULL;
	wce.hIcon         = NULL;
	wce.hIconSm       = NULL;
	wce.hInstance     = g_hInst;
	wce.lpfnWndProc   = WndProc;
	wce.lpszClassName = pszClassName;
	wce.lpszMenuName  = NULL;
	wce.style         = CS_HREDRAW|CS_VREDRAW;

	ATOM nAtom = RegisterClassEx( &wce );
	if( 0 ==  nAtom )
	
		return FALSE;
	

	return TRUE;


HWND CreateWnd( LPSTR pszClassName )

	HMENU hMenu = LoadMenu( g_hInst,
		MAKEINTRESOURCE(IDR_MAIN) );
	HWND hWnd = CreateWindowEx( 0,
		pszClassName, "MyWnd", 
		WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
		CW_USEDEFAULT, CW_USEDEFAULT,
		CW_USEDEFAULT, NULL, hMenu, g_hInst,
		NULL );
	return hWnd;


void DisplayWnd( HWND hWnd )

	ShowWindow( hWnd, SW_SHOW );
	UpdateWindow( hWnd );


void Message( )

	MSG msg =  0 ;
	while( GetMessage( &msg, NULL, 0, 0 ) )
	
		TranslateMessage( &msg );
		DispatchMessage( &msg );
	


int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)

	g_hInst = hInstance;
	RegisterWnd( "MYWND" );
	HWND hWnd = CreateWnd( "MYWND" );
	DisplayWnd( hWnd );
	Message( );
	return 0;

5.6 与有模式对话框对比

   创建函数: 有模式对话框DialogBox

 无模式对话框 CreateDialog

   程序执行方式:

有模式对话框会阻塞,禁止其他窗口的输入

无模式对话框会让主程序,不影响其它窗口的输入

 

6 对话框中的消息        

 

WM_INITDIALOG消息,用途类似于WM_CREATE消息

可以在对话框创建完成后,进行数据初始化.

它与WM_CREATE不同之处是,WM_INITDIALOG消息

会在对话框资源模板上的所有子控件(按钮等)

创建完成后,再发送给对话框窗口.

  wParam - 当前接受输入焦点子控件窗口句柄

  lParam - 创建时附带的参数

 

7 对话框和普通窗口的对比

7.1 创建方式

  普通窗口: CreateWindow/Ex

  对话框: DialogBox/CreateDialog

7.2 消息

  普通窗口: 会收到WM_CREATE

  对话框:   WM_INITDIALOG

7.3 关闭方式:

  普通窗口: DestoryWindow

  对话框: EndDialog

子控件

 

  1 子控件

  

    1.1 控件的类型

    Windows系统定义的窗口类型,可以提供

    相应的功能.包括按钮、文本编辑框、静态框等.

    

    1.2 控件的创建

    都可以使用CreateWindow/CreateWindowEx

    创建,并获取到控件HWND。创建时每个子控件

    都要有相应的ID号,ID号要求不重复。

    

    1.3 控件的消息

    子控件和父窗口(一般窗口或者对话框)的交互

    都是通过消息完成。如果子窗口状态发生变化,

    子窗口会向父窗口发送相应的消息。

    一般父窗口会使用SendMessage函数向子窗口

    发送消息。

    父窗口响应子窗口发送的消息一般是在

    WM_COMMAND进行处理。

静态框

 

  1 静态框创建

    窗口类的名称 - STATIC, 用于窗口上

    显示文字等, 如果使用SS_ICON/SS_BITMAP

    风格可以显示ICONBITMAP

    

    文本静态框 - 创建时使用SS_SIMPLE即可

    ICON静态框 -创建时需要使用SS_ICON,并且

       将静态框的窗口名称设置成对应ICON的资源

       ID,例如"#101".

    

  2 静态框的命令相应

    2.1 静态框要添加SS_NOTIFY风格

    2.2 WM_COMMAND进行处理

       WPARAM - HIWORD 命令ID

                LOWORD 静态框的窗口ID

       LPARAM - 静态框的窗口句柄.  

    

  3 静态框的消息

    调用SendMessage函数,Static控件发送消息

    例如: STM_SETICON消息修改控件显示图标

      SendMessage( hStatic, STM_SETICON,

(WPARAM)hIcon, 0 );

其他:

  GetDlgItem 从窗口中获取指定ID的子控件的

    窗口句柄

// WinStatic.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "resource.h"

HINSTANCE g_hInst = NULL;

void OnCreate( HWND hWnd, UINT nMsg,
	WPARAM wParam, LPARAM lParam )

	CreateWindow( "STATIC", "hello Static",
		WS_CHILD|WS_VISIBLE|SS_SUNKEN|SS_SIMPLE|SS_NOTIFY,
		50, 50, 100, 100, hWnd, (HMENU)1001,
		g_hInst, NULL );

	CreateWindow( "STATIC", "#101",
		WS_CHILD|WS_VISIBLE|SS_SUNKEN|SS_ICON|SS_NOTIFY,
		200, 50, 100, 100, hWnd, (HMENU)1002,
		g_hInst, NULL );


void OnCommand( HWND hWnd, UINT nMsg,
	WPARAM wParam, LPARAM lParam )

	int nCmdID  = HIWORD( wParam );
	int nCtrlID = LOWORD( wParam );
	switch( nCtrlID )
	
	case 1001:
	case 1002:
		
			switch( nCmdID )
			
			case STN_CLICKED:
				MessageBox( NULL, "Hello Static",
					"WinStatic", MB_OK );
				break;
			
		
		break;
	


LRESULT CALLBACK WndProc( HWND   hWnd, 
						  UINT   nMsg,
						  WPARAM wParam,
						  LPARAM lParam )

	switch( nMsg )
	
	case WM_CREATE:
		OnCreate( hWnd, nMsg, wParam, lParam );
		break;
	case WM_COMMAND:
		OnCommand( hWnd, nMsg, wParam, lParam );
		break;
	case WM_DESTROY:
		PostQuitMessage( 0 );
		return 0;
	
	return DefWindowProc( hWnd, nMsg,
		wParam, lParam );


BOOL RegisterWnd( LPSTR pszClassName )

	WNDCLASSEX wce =  0 ;
	wce.cbSize        = sizeof( wce );
	wce.cbClsExtra    = 0;
	wce.cbWndExtra    = 0;
	wce.hbrBackground = HBRUSH(COLOR_WINDOW);
	wce.hCursor       = NULL;
	wce.hIcon         = NULL;
	wce.hIconSm       = NULL;
	wce.hInstance     = g_hInst;
	wce.lpfnWndProc   = WndProc;
	wce.lpszClassName = pszClassName;
	wce.lpszMenuName  = NULL;
	wce.style         = CS_HREDRAW|CS_VREDRAW;

	ATOM nAtom = RegisterClassEx( &wce );
	if( 0 ==  nAtom )
	
		return FALSE;
	

	return TRUE;


HWND CreateWnd( LPSTR pszClassName )

	HWND hWnd = CreateWindowEx( 0,
		pszClassName, "MyWnd", 
		WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
		CW_USEDEFAULT, CW_USEDEFAULT,
		CW_USEDEFAULT, NULL, NULL, g_hInst,
		NULL );
	return hWnd;


void DisplayWnd( HWND hWnd )

	ShowWindow( hWnd, SW_SHOW );
	UpdateWindow( hWnd );


void Message( )

	MSG msg =  0 ;
	while( GetMessage( &msg, NULL, 0, 0 ) )
	
		TranslateMessage( &msg );
		DispatchMessage( &msg );
	


int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)

	g_hInst = hInstance;
	RegisterWnd( "MYWND" );
	HWND hWnd = CreateWnd( "MYWND" );
	DisplayWnd( hWnd );
	Message( );
	return 0;

按钮

1 按钮的分类

 根据创建按钮时使用的风格:

 1.1 下压式按钮 PUSH BUTTON

正常下压式按钮 BS_PUSHBUTTON

三态下压按钮 BS_3STATE/BS_AUTO3STATE

 1.2 分组按钮 Group Button

按钮样式:BS_GROUPBOX

 1.3 多选按钮   Check Box

按钮样式:BS_CHECKBOX/BS_AUTOCHECKBOX

 1.4 单选按钮   Radio Box

按钮样式:BS_RADIOBUTTON/

 BS_AUTORADIOBUTTON

2 下压式按钮的使用
 2.1 创建按钮
创建时使用BUTTON
 2.2 命令消息
BN_CLICKED消息: 当点击按钮通过
 WM_COMMAND消息通知父窗口
 2.3 通知消息 
SendMessage

3 分组按钮
 3.1 创建分组按钮
 3.2 常用于对窗口内控件划分区域,增加
界面的友好性

4 多选按钮 CheckBox
 4.1 创建使用 BS_CHECKBOX/BS_AUTOCHECKBOX
   BS_AUTOCHECKBOX 选择状态系统自动维护
   BS_CHECKBOX 选择状态需要自己维护
 4.2 命令响应
   BN_CLICKED 通过WM_COMMAND消息
 4.3 通知消息
   BM_GETCHECK 获取当前按钮被选择的状态
   BM_SETCHECK 设置当前按钮被选择的状态
 wParam 用于设置状态标示
   状态: BST_CHECKED 或 BST_UNCHECKED
   
5 单选按钮 RadioBox
 5.1 创建使用 BS_RADIOBUTTON/BS_AUTORADIOBUTTON
   BS_AUTORADIOBUTTON 选择状态系统自动维护
   BS_RADIOBUTTON 选择状态需要自己维护
   注意:
   RadionBox分组 - 使用WS_GROUP样式,可以将
   RadionBox分成多个组.
 A CreateWindow (  ,,,WS_GROUP );
 B CreateWindow...
 C CreateWindow (  ,,,WS_GROUP );
 D CreaetWindow...
 A和B是一组, C和D是一组
 5.2 命令响应
   BN_CLICKED 通过WM_COMMAND消息
 5.3 通知消息
   与CheckBox类似
// WinButton.cpp : Defines the entry point for the application.
//

#include "stdafx.h"

HINSTANCE g_hInst = NULL;

void OnCreate( HWND hWnd, UINT nMsg,
	WPARAM wParam, LPARAM lParam )
	//PUSH BUTTON
	CreateWindow( "BUTTON", "PushButton",
		WS_CHILD|WS_VISIBLE|BS_PUSHBUTTON, 
		100, 50, 100, 30, 
		hWnd, (HMENU)1001, g_hInst, NULL );
	//三态按钮
	CreateWindow( "BUTTON", "Auto3State",
		WS_CHILD|WS_VISIBLE|BS_AUTO3STATE|BS_PUSHLIKE, 
		100, 100, 100, 30, 
		hWnd, (HMENU)2001, g_hInst, NULL );
	//分组按钮
	CreateWindow( "BUTTON", "分组一",
		WS_CHILD|WS_VISIBLE|BS_GROUPBOX, 
		50, 30, 300, 300,
		hWnd, (HMENU)3001, g_hInst, NULL );
	//多选按钮 CheckBox
	CreateWindow( "BUTTON", "选项一",
		WS_CHILD|WS_VISIBLE|BS_AUTOCHECKBOX, 
		100, 150, 100, 30,
		hWnd, (HMENU)4001, g_hInst, NULL );
	CreateWindow( "BUTTON", "选项二",
		WS_CHILD|WS_VISIBLE|BS_CHECKBOX, 
		100, 180, 100, 30,
		hWnd, (HMENU)4002, g_hInst, NULL );
	// 单选按钮
	CreateWindow( "BUTTON", "A", 
		WS_CHILD|WS_VISIBLE|BS_AUTORADIOBUTTON|WS_GROUP,
		100, 240, 100, 30, hWnd, 
		(HMENU)5001, g_hInst, NULL );
	CreateWindow( "BUTTON", "B", 
		WS_CHILD|WS_VISIBLE|BS_AUTORADIOBUTTON,
		100, 270, 100, 30, hWnd, 
		(HMENU)5002, g_hInst, NULL );
	CreateWindow( "BUTTON", "C", 
		WS_CHILD|WS_VISIBLE|BS_AUTORADIOBUTTON|WS_GROUP,
		100, 300, 100, 30, hWnd, 
		(HMENU)5003, g_hInst, NULL );
	CreateWindow( "BUTTON", "D", 
		WS_CHILD|WS_VISIBLE|BS_AUTORADIOBUTTON,
		100, 330, 100, 30, hWnd, 
		(HMENU)5004, g_hInst, NULL );


void OnCommand( HWND hWnd, UINT nMsg,
	WPARAM wParam, LPARAM lParam )
	
	int nNotifyCode = HIWORD( wParam );
	int nEventID    = LOWORD( wParam );
	switch( nEventID )
	
	case 1001:
		
			switch( nNotifyCode )
			
			case BN_CLICKED:
				MessageBox( NULL, "Hello PushButton",
					"WinButton", MB_OK );
				break;
			
		
		break;
	case 4002:
		
			HWND hCtrl = GetDlgItem( hWnd, 4002 );
			LRESULT nCheck = 0;
			switch( nNotifyCode )
			
			case BN_CLICKED:
				//获取当前CheckBox的状态
				nCheck = SendMessage( hCtrl, 
					BM_GETCHECK, 0, 0 );
				//判断当前状态是否被选择
				if( nCheck & BST_CHECKED )
					//设置为不选择状态
					SendMessage( hCtrl,BM_SETCHECK,
						BST_UNCHECKED, 0 );
				
				else
					//设置成选择状态
					SendMessage( hCtrl,BM_SETCHECK,
						BST_CHECKED, 0 );
				
				break;
			
		
		break;
	


LRESULT CALLBACK WndProc( HWND   hWnd, 
						  UINT   nMsg,
						  WPARAM wParam,
						  LPARAM lParam )

	switch( nMsg )
	
	case WM_CREATE:
		OnCreate( hWnd, nMsg, wParam, lParam );
		break;
	case WM_COMMAND:
		OnCommand( hWnd, nMsg, wParam, lParam );
		break;
	case WM_DESTROY:
		PostQuitMessage( 0 );
		return 0;
	
	return DefWindowProc( hWnd, nMsg,
		wParam, lParam );


BOOL RegisterWnd( LPSTR pszClassName )

	WNDCLASSEX wce =  0 ;
	wce.cbSize        = sizeof( wce );
	wce.cbClsExtra    = 0;
	wce.cbWndExtra    = 0;
	wce.hbrBackground = HBRUSH(COLOR_WINDOW);
	wce.hCursor       = NULL;
	wce.hIcon         = NULL;
	wce.hIconSm       = NULL;
	wce.hInstance     = g_hInst;
	wce.lpfnWndProc   = WndProc;
	wce.lpszClassName = pszClassName;
	wce.lpszMenuName  = NULL;
	wce.style         = CS_HREDRAW|CS_VREDRAW;

	ATOM nAtom = RegisterClassEx( &wce );
	if( 0 ==  nAtom )
	
		return FALSE;
	

	return TRUE;


HWND CreateWnd( LPSTR pszClassName )

	HWND hWnd = CreateWindowEx( 0,
		pszClassName, "MyWnd", 
		WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
		CW_USEDEFAULT, CW_USEDEFAULT,
		CW_USEDEFAULT, NULL, NULL, g_hInst,
		NULL );
	return hWnd;


void DisplayWnd( HWND hWnd )

	ShowWindow( hWnd, SW_SHOW );
	UpdateWindow( hWnd );


void Message( )

	MSG msg =  0 ;
	while( GetMessage( &msg, NULL, 0, 0 ) )
	
		TranslateMessage( &msg );
		DispatchMessage( &msg );
	


int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)

	g_hInst = hInstance;
	RegisterWnd( "MYWND" );
	HWND hWnd = CreateWnd( "MYWND" );
	DisplayWnd( hWnd );
	Message( );
	return 0;

文本编辑框

1 文本编辑框的样式

1.1 单行文本编辑框 -默认样式

1.2 多行文本编辑框 - ES_MULTILINE

1.3 密码文本编辑框 - ES_PASSWORD

2 文本编辑框的使用

2.1 创建

   窗口类名称EDIT.

2.2 Notify消息

   EN_CHANGE 当编辑框内容发生变化时,

 会通知父窗口

2.3 EDIT窗口消息

   EM_SETSEL 选择消息 WPARAM是起始字符位置

   LPARAM是终止字符位置

   窗口消息: WM_COPY, WM_PASET,WM_CUT等消息

 WM_SETTEXT, WM_GETTEXT, WM_GETTEXTLEN

 SetWindowText

 GetWindowText/GetWindowTextLen

// WinEdit.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "stdlib.h"
#include "stdio.h"
#include "resource.h"

HINSTANCE g_hInst = NULL;
HWND      g_hEdit = NULL;

void OnCreate( HWND hWnd, UINT nMsg, 
	WPARAM wParam, LPARAM lParam )

	g_hEdit = CreateWindow( "EDIT", "Hello EDIT",
		WS_CHILD|WS_VISIBLE|WS_HSCROLL|
		WS_VSCROLL|ES_AUTOHSCROLL|
		ES_AUTOVSCROLL|ES_MULTILINE, 
		0, 0, 100, 200, hWnd,
		(HMENU)1001, g_hInst, NULL );


void OnSize( HWND hWnd, UINT nMsg, 
	WPARAM wParam, LPARAM lParam )

	int nWidth = LOWORD( lParam );
	int nHeight= HIWORD( lParam );
	if( NULL != g_hEdit )
		//将EDIT窗口填满整个客户区
		MoveWindow( g_hEdit, 0, 0, nWidth,
			nHeight, TRUE );
	


void OnSave( )

	//获取文字长度
	LRESULT nTextLen = SendMessage( g_hEdit, 
		WM_GETTEXTLENGTH, 0, 0 );
	//获取文字
	CHAR * pszBuff = NULL;
	pszBuff = (CHAR *)malloc( nTextLen + 1 );
	memset( pszBuff, 0, nTextLen + 1 );
	SendMessage( g_hEdit, WM_GETTEXT,
		nTextLen + 1, (LPARAM)pszBuff );
	//MessageBox( NULL, pszBuff, "WinEdit", MB_OK );
	//保存文件
	FILE * pFile = fopen( "C:\\\\1.txt", "w+" );
	fwrite( pszBuff, nTextLen, 1, pFile );
	fclose( pFile );
	//释放内存
	free( pszBuff );


void OnOpen( )

	//打开文件读取数据
	FILE * pFile = fopen( "C:\\\\1.txt", "r" );
	//获取文件长度
	fseek( pFile, 0, SEEK_END );
	long nFileLen = ftell( pFile );
	fseek( pFile, 0, SEEK_SET );
	//读取文件数据
	CHAR * pszBuf = (CHAR *)
		malloc( nFileLen + 1 );
	memset( pszBuf, 0, nFileLen + 1 );
	fread( pszBuf, nFileLen, 1, pFile );
	//关闭文件
	fclose( pFile );
	//将字符显示在EDIT窗口
	SendMessage( g_hEdit, WM_SETTEXT,
		0, (LPARAM)pszBuf );
	//释放内存
	free( pszBuf );


void  OnCommand( HWND hWnd, UINT nMsg, 
	WPARAM wParam, LPARAM lParam )

	int nNotifyCode = HIWORD( wParam );
	int nEventID    = LOWORD( wParam );
	switch( nEventID )
	
	case 1001:
		
			switch( nNotifyCode )
			
			case EN_CHANGE:
				//MessageBox( NULL, "EN_CHANGE",
				//	"WinEdit", MB_OK );
				break;
			
		
		break;
	case ID_SELALL:
		SendMessage( g_hEdit, EM_SETSEL, 0, -1 );
		break;
	case ID_COPY:
		SendMessage( g_hEdit, WM_COPY, 0, 0 );
		break;
	case ID_PASTE:
		SendMessage( g_hEdit, WM_PASTE, 0, 0 );
		break;
	case ID_SAVE:
		OnSave( );
		break;
	case ID_OPEN:
		OnOpen( );
		break;
	


LRESULT CALLBACK WndProc( HWND   hWnd, 
						  UINT   nMsg,
						  WPARAM wParam,
						  LPARAM lParam )

	switch( nMsg )
	
	case WM_CREATE:
		OnCreate( hWnd, nMsg, wParam, lParam );
		break;
	case WM_SIZE:
		OnSize( hWnd, nMsg, wParam, lParam );
		break;
	case WM_COMMAND:
		OnCommand( hWnd, nMsg, wParam, lParam );
		break;
	case WM_DESTROY:
		PostQuitMessage( 0 );
		return 0;
	
	return DefWindowProc( hWnd, nMsg,
		wParam, lParam );


BOOL RegisterWnd( LPSTR pszClassName )

	WNDCLASSEX wce =  0 ;
	wce.cbSize        = sizeof( wce );
	wce.cbClsExtra    = 0;
	wce.cbWndExtra    = 0;
	wce.hbrBackground = HBRUSH(COLOR_WINDOW);
	wce.hCursor       = NULL;
	wce.hIcon         = NULL;
	wce.hIconSm       = NULL;
	wce.hInstance     = g_hInst;
	wce.lpfnWndProc   = WndProc;
	wce.lpszClassName = pszClassName;
	wce.lpszMenuName  = NULL;
	wce.style         = CS_HREDRAW|CS_VREDRAW;

	ATOM nAtom = RegisterClassEx( &wce );
	if( 0 ==  nAtom )
	
		return FALSE;
	

	return TRUE;


HWND CreateWnd( LPSTR pszClassName )

	HMENU hMenu = LoadMenu( g_hInst,
		MAKEINTRESOURCE(IDR_MAIN) );
	HWND hWnd = CreateWindowEx( 
		WS_EX_CLIENTEDGE,
		pszClassName, "我的记事本", 
		WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
		CW_USEDEFAULT, CW_USEDEFAULT,
		CW_USEDEFAULT, NULL, hMenu, g_hInst,
		NULL );
	return hWnd;


void DisplayWnd( HWND hWnd )

	ShowWindow( hWnd, SW_SHOW );
	UpdateWindow( hWnd );


void Message( )

	MSG msg =  0 ;
	while( GetMessage( &msg, NULL, 0, 0 ) )
	
		TranslateMessage( &msg );
		DispatchMessage( &msg );
	


int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)

	g_hInst = hInstance;
	RegisterWnd( "MYWND" );
	HWND hWnd = CreateWnd( "MYWND" );
	DisplayWnd( hWnd );
	Message( );
	return 0;










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