窗口与消息

#include<windows.h>
LRESULT CALLBACK Wndproc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPreinstance, PSTR szCmdLine, int iCmdShow0
)
{
	static TCHAR szAppname[] = TEXT("HELLOwin");
	HWND hwnd;
	MSG msg;
	WNDCLASS wndclass;
	wndclass.style = CS_HREDRAW | CS_VREDRAW;
	wndclass.lpfnWndProc = Wndproc;
	wndclass.cbClsExtra = 0;
	wndclass.cbWndExtra = 0;
	wndclass.hInstance = hInstance;
	wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
	wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
	wndclass.lpszMenuName = NULL;
	wndclass.lpszClassName = szAppname;
	if (!RegisterClass(&wndclass))
	{
		MessageBox(NULL, TEXT("This program requires Windows Nt"), szAppname
			, MB_ICONERROR);
		return 0;	
	}
	hwnd = CreateWindow(szAppname, 
		TEXT("hello win"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT,
		CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL);
	ShowWindow(hwnd, iCmdShow0);
	UpdateWindow(hwnd);
	while (GetMessage(&msg,NULL,0,0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return msg.wParam;
}
LRESULT CALLBACK Wndproc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	HDC hdc;
	PAINTSTRUCT ps;
	RECT rect;
	switch (message)
	{
	case WM_CREATE:
		return 0;
	case WM_PRINT:
		hdc = BeginPaint(hwnd, &ps);
		GetClientRect(hwnd, &rect);
		DrawText(hdc, TEXT("hello windows 98!"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
		EndPaint(hwnd, &ps);
		return 0;
	case WM_DESTROY:
		PostQuitMessage(0);
		return 0;

	}
	return	DefWindowProc(hwnd, message, wParam, lParam);
}

typedef struct
{
UNIT stytle
WNDPROC lpfnWndproc
int cbClsExtra
int cbWndExtra
HISTANCE hINstance
HICON hIcon
HCURSOR hCursor
HBRUSH hbrBackground
LPCTSTR lpszMenuName
LPCTSTR lpszClassName
}
WNDCLASS,*PWNDCLASS;

hwnd = CreateWindow(szAppName      //窗口类名称
					TEXT("the hello program")//窗口标题
					WS_OVERLAPPEDWINDOW   //窗口风格
					CW_USEDEFAULT//初始x坐标
					CW_USEDEFAULT//初始y坐标
					CW_USEDEFAULT//初始x方向尺寸
					CW_USEDEFAULT//初始y方向尺寸
					NULL//父窗口句柄
					NULL//窗口菜单句柄
					hInstance//程序实例句柄
					NULL//创建参数
				   )；

#define WS_OVERLAPPEDWINDOW
{
WS_OVERLAPPED|
WS_CAPTION|
WS_SYSMENU|
WS_THICKFRAME|
WS_MINIMIZEBOX|
WS_MAXIMIZEBOX|
}

while(getmessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}

typedef struct tagPOINT
{
long x;
long y;
}POINT,\*POINT

LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)

case WM_CREATE
处理消息
return 0
case WM_PAINT
处理消息
return 0
case WM_DESTROY
处理消息
return 0

		CreateWindow(WC_BUTTON, TEXT("按钮1"), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 100, 100, 100, 50, hwnd, (HMENU)IDC_BUTTON_1, NULL, NULL);

	case WM_COMMAND:
	{
		UINT nCtrlId = LOWORD(wParam);
		UINT nCode = HIWORD(wParam);
		if (nCtrlId == IDC_BUTTON_1 && nCode == BN_CLICKED)
		{
			MessageBox(hwnd, TEXT("按钮1被单击"), TEXT("tip"), MB_OK);
		}
	}

		HWND hListCtrl = CreateWindow(WC_LISTVIEW, TEXT(""), WS_CHILD | WS_VISIBLE | WS_BORDER |LVS_REPORT| LVS_SHOWSELALWAYS, 220, 50, 500, 200, hwnd, (HMENU)IDC_LIST_1, NULL, NULL);

LVCOLUMN lvo = {0};
		lvo.mask |= LVCF_TEXT|LVCF_WIDTH;
		lvo.cx = 100;
		lvo.pszText = TEXT("姓名");
		SendMessage(hListCtrl, LVM_INSERTCOLUMN, 0, LPARAM(&lvo));
		LVCOLUMN lvo1 = { 0 };
		lvo1.mask |= LVCF_TEXT | LVCF_WIDTH;
		lvo1.cx = 100;
		lvo1.pszText = TEXT("性别");
		SendMessage(hListCtrl, LVM_INSERTCOLUMN, 1, LPARAM(&lvo1));
		LVCOLUMN lvo2 = { 0 };
		lvo2.mask |= LVCF_TEXT | LVCF_WIDTH;
		lvo2.cx = 100;
		lvo2.pszText = TEXT("年龄");
		//SendMessage(hListCtrl, LVM_INSERTCOLUMN, 1, LPARAM(&lvo2));
		ListView_InsertColumn(hListCtrl, 2, &lvo2);

LV_ITEM lvi = { 0 };
		lvi.mask = LVIF_TEXT;
		lvi.pszText = TEXT("张玥");
		ListView_InsertItem(hListCtrl, &lvi);
		ZeroMemory(&lvi, sizeof(lvi));
		lvi.mask = LVIF_TEXT;
		lvi.iItem = 0;
		lvi.iSubItem = 1;
		lvi.pszText = TEXT("男");
		ListView_SetItem(hListCtrl, &lvi);
		ZeroMemory(&lvi, sizeof(lvi));
		lvi.mask = LVIF_TEXT;
		lvi.iItem = 0;
		lvi.iSubItem = 2;
		lvi.pszText = TEXT("24");
		//ListView_SetItem(hListCtrl, &lvi);
		ListView_SetItemText(GetDlgItem(hwnd, IDC_LIST_1), 0, 2, TEXT("24"));

#include<Windows.h>
#include<commctrl.h>
#include <windowsx.h>
#include <tchar.h>
#pragma warning (disable:4996)
UINT IDC_BUTTON_1 = 200;
UINT IDC_BUTTON_2 = 201;
UINT IDC_BUTTON_3 = 202;
UINT IDC_LIST_1 = 300;
UINT IDC_EDIT_1 = 400;
LRESULT CALLBACK Wndproc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);//窗口过程
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPreinstance, PSTR szCmdLine, int nCmdShow)
{
	//绑定窗口类和窗口过程函数
	WNDCLASS wndclass = { 0 };
	 static TCHAR szAppname[] = TEXT("神人win32"); 
	 wndclass.lpszClassName = szAppname;
	 wndclass.style = CS_HREDRAW | CS_VREDRAW;
	 wndclass.lpfnWndProc = Wndproc;
	 wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
	 if (!RegisterClass(&wndclass))
	 {
		 MessageBox(NULL, TEXT("注册窗口类失败"), TEXT("tip"), MB_OK);
		 return 0;
	 }
	 //创建窗口
	 HWND hwnd = CreateWindow(szAppname, szAppname, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 800, 600, NULL, NULL, hInstance, NULL);
	 if (!hwnd)
	 {
		 MessageBox(NULL, TEXT("窗口创建失败"), TEXT("tip"), MB_OK);
		 return 0;
	 }
	 ShowWindow(hwnd, nCmdShow);
	 //消息循环 获取消息队列中的消息 转换并再次返回给系统
	 MSG msg;
	 while (GetMessage(&msg,NULL,0,0))
	 {
		 TranslateMessage(&msg);
		 DispatchMessage(&msg);
	 }
	 return msg.wParam;
	 
}
//消息处理
LRESULT CALLBACK Wndproc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	PAINTSTRUCT PS;
	HDC hdc;
	RECT rect;
	switch (message)
	{
	case WM_PAINT:
		hdc = BeginPaint(hwnd, &PS);
		GetClientRect(hwnd, &rect);
		DrawText(hdc, TEXT("神人博客:https://deitylei.cn"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
		EndPaint(hwnd, &PS);
		break;
	case WM_CREATE:
	{
	
		HWND hButtonWnd = CreateWindow(WC_BUTTON, TEXT("插入列表行"), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 100, 100, 100, 50, hwnd, (HMENU)IDC_BUTTON_1, NULL, NULL);
		HWND hListCtrl = CreateWindow(WC_LISTVIEW, TEXT(""), WS_CHILD | WS_VISIBLE | WS_BORDER |LVS_REPORT| LVS_SHOWSELALWAYS, 220, 50, 500, 200, hwnd, (HMENU)IDC_LIST_1, NULL, NULL);
		DWORD style = LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES | LVS_EX_CHECKBOXES;
		//扩展格式  整行选择
		ListView_SetExtendedListViewStyle(GetDlgItem(hwnd, IDC_LIST_1), style);
		HWND hEdit = CreateWindow(WC_EDIT, TEXT("输入行值"), WS_CHILD | WS_VISIBLE | WS_BORDER, 50, 200, 100, 100, hwnd, (HMENU)IDC_EDIT_1, NULL, NULL);
		HWND hButtonWnd2 = CreateWindow(WC_BUTTON, TEXT("删除4 5行"), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 300, 300, 100, 50, hwnd, (HMENU)IDC_BUTTON_2, NULL, NULL);
		HWND hButtonWnd3 = CreateWindow(WC_BUTTON, TEXT("显示行数"), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 420, 300, 100, 50, hwnd, (HMENU)IDC_BUTTON_3, NULL, NULL);
		LVCOLUMN lvo = {0};
		lvo.mask |= LVCF_TEXT|LVCF_WIDTH;
		lvo.cx = 100;
		lvo.pszText = TEXT("姓名");
		SendMessage(hListCtrl, LVM_INSERTCOLUMN, 0, LPARAM(&lvo));
		LVCOLUMN lvo1 = { 0 };
		lvo1.mask |= LVCF_TEXT | LVCF_WIDTH;
		lvo1.cx = 100;
		lvo1.pszText = TEXT("性别");
		SendMessage(hListCtrl, LVM_INSERTCOLUMN, 1, LPARAM(&lvo1));
		LVCOLUMN lvo2 = { 0 };
		lvo2.mask |= LVCF_TEXT | LVCF_WIDTH;
		lvo2.cx = 100;
		lvo2.pszText = TEXT("年龄");
		//SendMessage(hListCtrl, LVM_INSERTCOLUMN, 1, LPARAM(&lvo2));
		ListView_InsertColumn(hListCtrl, 2, &lvo2);
		LV_ITEM lvi = { 0 };
		lvi.mask = LVIF_TEXT;
		lvi.pszText = TEXT("JHON");
		ListView_InsertItem(hListCtrl, &lvi);
		ZeroMemory(&lvi, sizeof(lvi));
		lvi.mask = LVIF_TEXT;
		lvi.iItem = 0;
		lvi.iSubItem = 1;
		lvi.pszText = TEXT("男");
		ListView_SetItem(hListCtrl, &lvi);
		ZeroMemory(&lvi, sizeof(lvi));
		lvi.mask = LVIF_TEXT;
		lvi.iItem = 0;
		lvi.iSubItem = 2;
		lvi.pszText = TEXT("18");
		//ListView_SetItem(hListCtrl, &lvi);
		ListView_SetItemText(GetDlgItem(hwnd, IDC_LIST_1), 0, 2, TEXT("24"));
	}
	break;
	case WM_DESTROY:
		PostQuitMessage(0);
		break;
	case WM_COMMAND:
	{
		UINT nCtrlId = LOWORD(wParam);
		UINT nCode = HIWORD(wParam);
		if (nCode == BN_CLICKED)
		{
			if (nCtrlId == IDC_BUTTON_1)
			{//新增行
				TCHAR szEdit[MAX_PATH];
				int Rowitotal = ListView_GetItemCount(GetDlgItem(hwnd, IDC_LIST_1));
				Edit_GetText(GetDlgItem(hwnd, IDC_EDIT_1), szEdit, MAX_PATH);
				LV_ITEM lvitemp = { 0 };
				lvitemp.mask = LVIF_TEXT;
				lvitemp.pszText = TEXT("1");
				lvitemp.iItem = Rowitotal;
				int Row = ListView_InsertItem(GetDlgItem(hwnd, IDC_LIST_1), &lvitemp);
				ListView_SetItemText(GetDlgItem(hwnd, IDC_LIST_1), Row, 1, szEdit);
			}
			else if (nCtrlId == IDC_BUTTON_2)
			{
				//删除4 5 行
				ListView_DeleteItem(GetDlgItem(hwnd, IDC_LIST_1), 4);
				ListView_DeleteItem(GetDlgItem(hwnd, IDC_LIST_1), 5);
			}
			else if (nCtrlId == IDC_BUTTON_3)
			{
				//显示行数
				int ItemCount =  ListView_GetItemCount(GetDlgItem(hwnd, IDC_LIST_1));
				TCHAR szCount[100];
				_stprintf(szCount,TEXT("共有 %d 行！"), ItemCount);//将设置格式的数据写入字符串
				MessageBox(NULL, szCount, TEXT("tip"), MB_OK);
				ZeroMemory(szCount, sizeof(szCount));
			}
			
		}

	}
		break;
	default:
		return DefWindowProc(hwnd, message, wParam, lParam);
		break;
	}
}

typedef struct tagNM_LISTVIEW {

NMHDR hdr;

int iItem;

int iSubItem;

UINT uNewState;

UINT uOldState;

UINT uChanged;

POINT ptAction;

LPARAM lParam;

} NM_LISTVIEW;

INT_PTR CALLBACK DlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
    case WM_NOTIFY:
        switch (((LPNMHDR)lParam)->code)
        {
        case CUSTOM_SELCHANGE:
            if (((LPNMHDR)lParam)->idFrom == IDC_CUSTOMLISTBOX1)
            {
                ...   // Respond to message.
                return TRUE;
            }
            break; 
        ... // More cases on WM_NOTIFY switch.
        break;
        }
    ...  // More cases on message switch.
    }
    return FALSE;
}

case WM_NOTIFY:
	{
		NMHDR* Pnmhdr = (NMHDR*)lParam;
		if (Pnmhdr->idFrom == IDC_LIST_1)
		{
			if (Pnmhdr->code == NM_CLICK)
			{
				NMLISTVIEW* lpnmitem = (NMLISTVIEW*)lParam;
				TCHAR Buff[128] = { 0 };
				_stprintf(Buff, TEXT("您点击了%d行！"), lpnmitem->iItem);
				SetWindowText(GetDlgItem(hwnd, IDC_EDIT_1), Buff);
				//MessageBox(NULL, Buff, TEXT("tip"), MB_OK);
			}
			else if (Pnmhdr->code == NM_RCLICK)
			{
				NMLISTVIEW* lpnmitem = (NMLISTVIEW*)lParam;
				TCHAR Buff[128] = { 0 };
				_stprintf(Buff, TEXT("您点击了%d行%d列！"), lpnmitem->iItem,lpnmitem->iSubItem);
				MessageBox(NULL, Buff, TEXT("tip"), MB_OK);
			}
		}