Win32-鼠标-定时器-菜单

鼠标&定时器&菜单

// 鼠标消息 - 窗口绘制 - 窗口拖动重影

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

#include "stdafx.h"
#include "stdio.h"

HINSTANCE g_hInst   = NULL;
HANDLE    g_hStdOut = NULL;
int		  g_nXPos   = 0;
int       g_nYPos   = 0;

void PrintLog( LPSTR pszLog )
{
	WriteConsole( g_hStdOut, pszLog, strlen(pszLog), NULL, NULL );
}

void OnPaint( HWND hWnd, UINT nMsg,
 	 WPARAM wParam, LPARAM lParam )
{
	PAINTSTRUCT ps = { 0 };
	HDC hDC = BeginPaint( hWnd, &ps );

	CHAR szText[] = "Hello Mouse";
	TextOut( hDC, g_nXPos, g_nYPos, 
		szText, strlen(szText) );

	EndPaint( hWnd, &ps );
}

LRESULT CALLBACK WndProc( HWND hWnd,
						  UINT nMsg,
						  WPARAM wParam,
						  LPARAM lParam )
{
	switch( nMsg )
	{
	case WM_PAINT:
		OnPaint( hWnd, nMsg, wParam, lParam );
		break;
	case WM_LBUTTONDOWN:
		PrintLog( "WM_LBUTTONDOWN\n" );
		break;
	case WM_LBUTTONUP:
		PrintLog( "WM_LBUTTONUP\n" );
		break;
	case WM_RBUTTONDOWN:
		PrintLog( "WM_RBUTTONDOWN\n" );
		break;
	case WM_RBUTTONUP:
		PrintLog( "WM_RBUTTONUP\n" );
		break;
	case WM_MOUSEMOVE:
		{
			int nX = LOWORD(lParam);
			int nY = HIWORD(lParam);
			POINT ptScreen = { 0 };
			ptScreen.x = nX;
			ptScreen.y = nY;
			ClientToScreen( hWnd, &ptScreen );

			CHAR szText[260] = { 0 };
			sprintf( szText, 
				"WM_MOUSEMOVE: X=%d(%d),Y=%d(%d)\n",
				nX, ptScreen.x, nY, ptScreen.y );
			PrintLog( szText );
			if( wParam & MK_CONTROL )
			{
				PrintLog( "WM_MOUSEMOVE: MK_CONTROL\n" );
			}
			if( wParam & MK_LBUTTON )
			{
				PrintLog( "WM_MOUSEMOVE: MK_LBUTTON\n" );
			}

			g_nXPos = LOWORD(lParam);
			g_nYPos = HIWORD(lParam);
			InvalidateRect( hWnd, NULL, FALSE );
		}
		break;
	case WM_DESTROY:
		PostQuitMessage( 0 );
		break;
	}
	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 );
	}
}

void NewConsole( )
{
	AllocConsole( );
	g_hStdOut = 
		GetStdHandle( STD_OUTPUT_HANDLE );
}

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
	NewConsole( );
 	g_hInst = hInstance;
	RegisterWnd( "MyWnd" );
	HWND hWnd = CreateWnd( "MyWnd" );
	DisplayWnd( hWnd );
	Message( );

	return 0;
}

--------------------------------------------------------------------------------
// 窗口绘制 - 点击左键不放画框框，取消鼠标拖动显示很多重影
// 并显示x和y坐标
#include "stdafx.h"
#include "stdio.h"

HINSTANCE g_hInst   = NULL;
HANDLE    g_hStdOut = NULL;
int		  g_nXPos   = 0;
int       g_nYPos   = 0;
int		  g_nX1Rect = 0;
int		  g_nY1Rect = 0;
int       g_nX2Rect = 0;
int       g_nY2Rect = 0;

void PrintLog( LPSTR pszLog )
{
	WriteConsole( g_hStdOut, pszLog, strlen(pszLog), NULL, NULL );
}

void OnPaint( HWND hWnd, UINT nMsg,
 	 WPARAM wParam, LPARAM lParam )
{
	PAINTSTRUCT ps = { 0 };
	HDC hDC = BeginPaint( hWnd, &ps );

	CHAR szText[] = "Hello Mouse";
	TextOut( hDC, g_nXPos, g_nYPos, 
		szText, strlen(szText) );

	Rectangle( hDC, g_nX1Rect, g_nY1Rect,
		g_nX2Rect, g_nY2Rect );

	EndPaint( hWnd, &ps );
}

LRESULT CALLBACK WndProc( HWND hWnd,
						  UINT nMsg,
						  WPARAM wParam,
						  LPARAM lParam )
{
	switch( nMsg )
	{
	case WM_PAINT:
		OnPaint( hWnd, nMsg, wParam, lParam );
		break;
	case WM_LBUTTONDOWN:
		{
			PrintLog( "WM_LBUTTONDOWN\n" );
			g_nX1Rect = LOWORD( lParam );
			g_nY1Rect = HIWORD( lParam );
		}
		break;
	case WM_LBUTTONUP:
		{
			PrintLog( "WM_LBUTTONUP\n" );
			g_nX2Rect = LOWORD( lParam );
			g_nY2Rect = HIWORD( lParam );
			InvalidateRect( hWnd, NULL, TRUE );
		}
		break;
	case WM_RBUTTONDOWN:
		PrintLog( "WM_RBUTTONDOWN\n" );
		break;
	case WM_RBUTTONUP:
		PrintLog( "WM_RBUTTONUP\n" );
		break;
	case WM_MOUSEMOVE:
		{
			int nX = LOWORD(lParam);
			int nY = HIWORD(lParam);
			POINT ptScreen = { 0 };
			ptScreen.x = nX;
			ptScreen.y = nY;
			ClientToScreen( hWnd, &ptScreen );

			CHAR szText[260] = { 0 };
			sprintf( szText, 
				"WM_MOUSEMOVE: X=%d(%d),Y=%d(%d)\n",
				nX, ptScreen.x, nY, ptScreen.y );
			PrintLog( szText );
			if( wParam & MK_CONTROL )
			{
				PrintLog( "WM_MOUSEMOVE: MK_CONTROL\n" );
			}
			if( wParam & MK_LBUTTON )
			{
				PrintLog( "WM_MOUSEMOVE: MK_LBUTTON\n" );
			}

			g_nXPos = LOWORD(lParam);
			g_nYPos = HIWORD(lParam);
			InvalidateRect( hWnd, NULL, TRUE );
		}
		break;
	case WM_LBUTTONDBLCLK:
		PrintLog( "WM_LBUTTONDBLCLK\n" );
		break;
	case WM_RBUTTONDBLCLK:
		PrintLog( "WM_RBUTTONDBLCLK\n" );
		break;
	case WM_MOUSEWHEEL:
		{
			short nDetla = HIWORD( wParam );
			int   nX     = LOWORD( lParam );
			int   nY     = HIWORD( lParam );
			CHAR szText[260] = { 0 };
			sprintf( szText, 
				"WM_MOUSEWHEEL: Detla=%d, X=%d,Y=%d\n",
				nDetla, nX, nY );
			PrintLog( szText );
		}
		break;
	case WM_DESTROY:
		PostQuitMessage( 0 );
		break;
	}
	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|CS_DBLCLKS;
	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 );
	}
}

void NewConsole( )
{
	AllocConsole( );
	g_hStdOut = GetStdHandle( STD_OUTPUT_HANDLE );
}

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
	NewConsole( );
 	g_hInst = hInstance;
	RegisterWnd( "MyWnd" );
	HWND hWnd = CreateWnd( "MyWnd" );
	DisplayWnd( hWnd );
	Message( );

	return 0;
}

--------------------------------------------------------------------------------

// 定时器消息 - 设置定时时间显示事件消息

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

#include "stdafx.h"
#include "stdio.h"

HINSTANCE g_hInst   = NULL;
HANDLE    g_hStdOut = NULL;
UINT      g_nTimerID1 = 0;

void CALLBACK TimerProc1( HWND hWnd,
						  UINT nMsg,
						  UINT idEvent,
						  DWORD dwTime )
{
	CHAR szText[] = "TimerProc1: Hello Timer\n";
	WriteConsole( g_hStdOut, szText,
		strlen(szText), NULL, NULL );
}

void OnCreate( HWND hWnd, UINT nMsg,
	WPARAM wParam, LPARAM lParam )
{
	//使用窗口处理函数，创建2个定时器
	SetTimer( hWnd, 1000, 3 * 1000, NULL );	
	SetTimer( hWnd, 1001, 5 * 1000, NULL );
	//使用窗口处理函数, 未指明定时器ID
	g_nTimerID1 = SetTimer( hWnd, 0, 
		1 * 1000, NULL );
	//使用TimerProc处理函数创建定时器
	SetTimer( hWnd, 1002, 7 * 1000, TimerProc1 );
}

void OnTimer( HWND hWnd, UINT nMsg,
	WPARAM wParam, LPARAM lParam )
{
	switch( wParam )
	{
	case 1000:
		{
			CHAR szText[] = "1000: Hello Timer\n";
			WriteConsole( g_hStdOut, szText,
				strlen(szText), NULL, NULL );
		}
		break;
	case 1001:
		{
			CHAR szText[] = "1001: Hello Timer\n";
			WriteConsole( g_hStdOut, szText,
				strlen(szText), NULL, NULL );
		}
		break;
	default:
		{
			CHAR szText[260] = {0};
			sprintf( szText, "%d: Hello Timer\n",
				g_nTimerID1 );
			WriteConsole( g_hStdOut, szText,
				strlen(szText), NULL, NULL );
		}
		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_TIMER:
		OnTimer( hWnd, nMsg, wParam, lParam );
		break;
	case WM_DESTROY:
		KillTimer( hWnd, 1000 );
		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_VREDRAW|CS_HREDRAW;

	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, 0 );
	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 );
	}
}

void NewConsole( )
{
	AllocConsole( );
	g_hStdOut = 
		GetStdHandle( STD_OUTPUT_HANDLE );
}

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
	NewConsole( );
	g_hInst = hInstance;
	RegisterWnd( "MYWND" );
	HWND hWnd = CreateWnd( "MYWND" );
	DisplayWnd( hWnd );
	Message( );
	return 0;
}

--------------------------------------------------------------------------------
// 菜单 - 显示菜单消息

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

#include "stdafx.h"
#include "stdio.h"

HINSTANCE g_hInst   = NULL;
HANDLE    g_hStdOut = NULL;

void OnCreate( HWND hWnd, UINT nMsg,
	WPARAM wParam, LPARAM lParam )
{	//创建主菜单
	HMENU hMainMenu = CreateMenu( );
	//创建子菜单
	HMENU hFileMenu = CreatePopupMenu( );
	//增加菜单项
	AppendMenu( hFileMenu, MF_STRING|MF_CHECKED, 1001, "新建(&N)");
	AppendMenu( hFileMenu, MF_SEPARATOR, 0, NULL );
	AppendMenu( hFileMenu, MF_STRING, 1002, "退出(&X)");
	AppendMenu( hMainMenu, MF_STRING|MF_POPUP, 
		(UINT)hFileMenu, "文件(&F)");

	HMENU hEditMenu = CreatePopupMenu( );
	AppendMenu( hEditMenu, MF_STRING, 1003, "剪切(&T)" );
	AppendMenu( hEditMenu, MF_STRING, 1004, "拷贝(&C)" );
	AppendMenu( hEditMenu, MF_STRING, 1005, "粘贴(&P)" );
	AppendMenu( hMainMenu, MF_STRING|MF_POPUP, 
		(UINT)hEditMenu, "编辑(&E)");

	HMENU hHelpMenu = CreatePopupMenu( );
	AppendMenu( hHelpMenu, MF_STRING, 1006, "帮助(&H)" );
	AppendMenu( hHelpMenu, MF_STRING, 1007, "关于(&A)" );
	AppendMenu( hMainMenu, MF_STRING|MF_POPUP, 
		(UINT)hHelpMenu, "帮助(&H)");
	//给窗口设置主菜单
	SetMenu( hWnd, hMainMenu );
}

void OnCommand( HWND hWnd, UINT nMsg, 
			   WPARAM wParam, LPARAM lParam )
{
	UINT nID = LOWORD( wParam );
	CHAR szText[260] = {0};
	sprintf( szText, "OnCommand: %d\n",
		nID );
	WriteConsole( g_hStdOut, szText,
		strlen(szText), NULL, NULL );
	switch( nID )
	{
	case 1002:
		PostQuitMessage( 0 );
		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_VREDRAW|CS_HREDRAW;

	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, 0 );
	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 );
	}
}

void NewConsole( )
{
	AllocConsole( );
	g_hStdOut = 
		GetStdHandle( STD_OUTPUT_HANDLE );
}

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
	NewConsole( );
	g_hInst = hInstance;
	RegisterWnd( "MYWND" );
	HWND hWnd = CreateWnd( "MYWND" );
	DisplayWnd( hWnd );
	Message( );
	return 0;
}

--------------------------------------------------------------------------------

// 显示子菜单的WPARAM和LPARAM参数

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

#include "stdafx.h"
#include "stdio.h"

HINSTANCE g_hInst   = NULL;
HANDLE    g_hStdOut = NULL;
BOOL      g_bCheckCut = FALSE;

void OnCreate( HWND hWnd, UINT nMsg,
	WPARAM wParam, LPARAM lParam )
{	//创建主菜单
	HMENU hMainMenu = CreateMenu( );
	//创建子菜单
	HMENU hFileMenu = CreatePopupMenu( );
	//增加菜单项
	AppendMenu( hFileMenu, MF_STRING|MF_CHECKED, 1001, "新建(&N)");
	AppendMenu( hFileMenu, MF_SEPARATOR, 0, NULL );
	AppendMenu( hFileMenu, MF_STRING, 1002, "退出(&X)");
	AppendMenu( hMainMenu, MF_STRING|MF_POPUP, 
		(UINT)hFileMenu, "文件(&F)");

	HMENU hEditMenu = CreatePopupMenu( );
	AppendMenu( hEditMenu, MF_STRING, 1003, "剪切(&T)" );
	AppendMenu( hEditMenu, MF_STRING, 1004, "拷贝(&C)" );
	AppendMenu( hEditMenu, MF_STRING, 1005, "粘贴(&P)" );
	AppendMenu( hMainMenu, MF_STRING|MF_POPUP, 
		(UINT)hEditMenu, "编辑(&E)");

	HMENU hHelpMenu = CreatePopupMenu( );
	AppendMenu( hHelpMenu, MF_STRING, 1006, "帮助(&H)" );
	AppendMenu( hHelpMenu, MF_STRING, 1007, "关于(&A)" );
	AppendMenu( hMainMenu, MF_STRING|MF_POPUP, 
		(UINT)hHelpMenu, "帮助(&H)");
	//给窗口设置主菜单
	SetMenu( hWnd, hMainMenu );
}

void OnCommand( HWND hWnd, UINT nMsg, 
			   WPARAM wParam, LPARAM lParam )
{
	UINT nID = LOWORD( wParam );
	CHAR szText[260] = {0};
	sprintf( szText, "OnCommand: %d\n",
		nID );
	WriteConsole( g_hStdOut, szText,
		strlen(szText), NULL, NULL );
	switch( nID )
	{
	case 1002:
		PostQuitMessage( 0 );
		break;
	case 1003:
		g_bCheckCut = !g_bCheckCut;
		break;
	}
}

void OnInitMenuPopup( HWND hWnd, UINT nMsg,
	WPARAM wParam, LPARAM lParam )
{
	CHAR szText[260] = { 0 };
	sprintf( szText, 
		"OnInitMenuPopup: WPARAM=%08X, LPARAM=%08X\n", 
		wParam, lParam );
	WriteConsole( g_hStdOut, szText,
		strlen(szText), NULL, NULL );

	HMENU hMenu = (HMENU)wParam;
	if( TRUE == g_bCheckCut )
	{
		CheckMenuItem( hMenu, 1003, 
			MF_CHECKED|MF_BYCOMMAND );
	}
	else
	{
		CheckMenuItem( hMenu, 1003, 
			MF_UNCHECKED|MF_BYCOMMAND );
	}
}

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_INITMENUPOPUP:
		OnInitMenuPopup( 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_VREDRAW|CS_HREDRAW;

	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, 0 );
	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 );
	}
}

void NewConsole( )
{
	AllocConsole( );
	g_hStdOut = 
		GetStdHandle( STD_OUTPUT_HANDLE );
}

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
	NewConsole( );
	g_hInst = hInstance;
	RegisterWnd( "MYWND" );
	HWND hWnd = CreateWnd( "MYWND" );
	DisplayWnd( hWnd );
	Message( );
	return 0;
}

效果展示

鼠标消息

定时器

菜单

标签：lParam,定时器,鼠标,hWnd,WM,Win32,wce,szText,NULL
来源： https://www.cnblogs.com/autopwn/p/15616060.html