14win32_14_button按钮

#include <windows.h>
#include <iostream>
CHAR szText[256] = { 0 };
#define PrintLog(x) WriteConsole(g_hStdout, x, strlen(x), NULL, NULL)
HINSTANCE g_hInst = NULL; //窗口句柄
HANDLE g_hStdout = NULL; //控制台句柄
//OnCreate
void OnCreate(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
{
	//下压式Button
	CreateWindow("BUTTON", "PUSH_BUTTON", WS_CHILD | WS_VISIBLE, 100, 100, 200, 40, hWnd, (HMENU)1001, g_hInst, NULL);
	//三态按键
	CreateWindow("BUTTON", "我是三态按键", WS_CHILD | WS_VISIBLE | BS_AUTO3STATE|BS_PUSHLIKE/*若不加这个风格，则像CheckBox*/, 400, 100, 200, 40, hWnd, (HMENU)2001, g_hInst, NULL);
	//分组按钮
	CreateWindow("BUTTON", "分组一", WS_CHILD | WS_VISIBLE | BS_GROUPBOX, 100, 200, 300, 300,
		hWnd, (HMENU)3001, g_hInst, NULL);
	//多选按钮,CheckBox
	CreateWindow("BUTTON", "checkbox", WS_CHILD | WS_VISIBLE | BS_CHECKBOX, 120, 220, 200, 30,
		hWnd, (HMENU)4001, g_hInst, NULL);
	CreateWindow("BUTTON", "Auto_check_box", WS_CHILD | WS_VISIBLE | BS_AUTOCHECKBOX, 120, 250, 200, 30,
		hWnd, (HMENU)4002, g_hInst, NULL);
	//单选按钮
	CreateWindow("BUTTON", "A", WS_CHILD | WS_VISIBLE | BS_AUTORADIOBUTTON|WS_GROUP/*分组,把AB分成一组*/,
		120, 300, 100, 30, hWnd, (HMENU)5001, g_hInst,NULL);
	CreateWindow("BUTTON", "B", WS_CHILD | WS_VISIBLE | BS_AUTORADIOBUTTON,
		120, 330, 100, 30, hWnd, (HMENU)5002, g_hInst,NULL);
	CreateWindow("BUTTON", "C", WS_CHILD | WS_VISIBLE | BS_AUTORADIOBUTTON|WS_GROUP/*分组，把CD分成一组*/,
		120, 360, 100, 30, hWnd, (HMENU)5003, g_hInst,NULL);
	CreateWindow("BUTTON", "D", WS_CHILD | WS_VISIBLE | BS_AUTORADIOBUTTON,
		120, 390, 100, 30, hWnd, (HMENU)5004, g_hInst,NULL);
}
//响应按钮
void OnCommand(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
{
	int nNotifyCode = HIWORD(wParam);
	int nEventID = LOWORD(wParam);
	switch (nEventID)
	{
	case 1001:
		switch (nNotifyCode)
		{
			//push_button消息的响应,一般只处理点击消息，其它消息很少处理
		case BN_CLICKED:
			MessageBox(NULL, "Hello push_button!", "button", MB_OK);
			break;
		}
		break;
	case 4002:
	{
		HWND hCtrl = GetDlgItem(hWnd, 4002);
		LRESULT nCheck = 0;
		switch (nNotifyCode)
		{
			//push_button消息的响应,一般只处理点击消息，其它消息很少处理
			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)
				   {
					   //设置成不选择状态
					   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);
		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_BTNFACE + 1);
	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 atom = RegisterClassEx(&wce);
	if (atom == NULL)
	{
		return FALSE;
	}
	else
	{
		return TRUE;
	}
}
HWND CreateWnd(LPSTR pszClassName)
{
	HWND hWnd = CreateWindowEx(0, pszClassName, "灭天", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
		CW_USEDEFAULT, NULL, NULL, g_hInst, 0);
	return hWnd;
}
void ShowWnd(HWND hWnd)
{
	ShowWindow(hWnd, SW_SHOW);
	UpdateWindow(hWnd);
}
void Msg()
{
	MSG msg = { 0 };
	while (GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
}
void ConsoleWnd()
{
	AllocConsole();
	g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
	CHAR szText[] = "Debug start:\n";
	WriteConsole(g_hStdout, szText, strlen(szText), NULL, NULL);
}
int WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPSTR lpCmdLine, _In_ int nShowCmd)
{
	g_hInst = hInstance;
	//ConsoleWnd();
	RegisterWnd("oooo");
	HWND hWnd = CreateWnd("oooo");
	ShowWnd(hWnd);
	Msg();
	return 0;
}