控制台下创建窗口和WinMain入口创建窗口简单程序

控制台创建窗口（同时有控制台窗口和新创建的窗口）（项目类型：控制台应用程序）

#include "windows.h"
#include "TCHAR.h"  

LRESULT CALLBACK WindowProc(
	HWND hwnd,
	UINT uMsg,
	WPARAM wParam,
	LPARAM lParam
	);

int _tmain(int argc, _TCHAR* argv[])
{
	HINSTANCE hInstance;
	hInstance = GetModuleHandle(NULL);
	WNDCLASS Draw;
	Draw.cbClsExtra = 0;
	Draw.cbWndExtra = 0;
	Draw.hCursor = LoadCursor(hInstance, IDC_ARROW);;
	Draw.hIcon = LoadIcon(hInstance, IDI_APPLICATION);;
	Draw.lpszMenuName = NULL;
	Draw.style = CS_HREDRAW | CS_VREDRAW;
	Draw.hbrBackground = (HBRUSH)COLOR_WINDOW;
	Draw.lpfnWndProc = WindowProc;
	Draw.lpszClassName = _T("DDraw");
	Draw.hInstance = hInstance;

	RegisterClass(&Draw);

	HWND hwnd = CreateWindow(
		_T("DDraw"),           //上面注册的类名，要完全一致
		L"绘制",  //窗口标题文字
		WS_OVERLAPPEDWINDOW, //窗口外观样式
		38,             //窗口相对于父级的X坐标
		20,             //窗口相对于父级的Y坐标
		640,                //窗口的宽度
		480,                //窗口的高度
		NULL,               //没有父窗口，为NULL
		NULL,               //没有菜单，为NULL
		hInstance,          //当前应用程序的实例句柄
		NULL);              //没有附加数据，为NULL    

	// 显示窗口
	ShowWindow(hwnd, SW_SHOW);

	// 更新窗口
	UpdateWindow(hwnd);

	// 消息循环
	MSG msg;
	while (GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
}

// 消息处理函数的实现
LRESULT CALLBACK WindowProc(
	_In_  HWND hwnd,
	_In_  UINT uMsg,
	_In_  WPARAM wParam,
	_In_  LPARAM lParam
	)
{
	switch (uMsg)
	{
	case WM_DESTROY:
	{
					   PostQuitMessage(0);
					   return 0;
	}
	}
	return DefWindowProc(hwnd, uMsg, wParam, lParam);
}

WinMain入口下创建窗口（只有新创建的窗口）（项目类型：windows应用程序）

#include <windows.h>
#include "TCHAR.h"
#include <stdio.h>

LRESULT CALLBACK WindowProc(
	HWND hwnd,      // handle to window
	UINT uMsg,      // message identifier
	WPARAM wParam,  // first message parameter
	LPARAM lParam   // second message parameter
	);

int WINAPI WinMain(
	HINSTANCE hInstance,      // handle to current instance
	HINSTANCE hPrevInstance,  // handle to previous instance
	LPSTR lpCmdLine,          // command line
	int nCmdShow              // show state
	)
{
	WNDCLASS wndcls;
	wndcls.cbClsExtra = 0;
	wndcls.cbWndExtra = 0;
	wndcls.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
	wndcls.hCursor = LoadCursor(NULL, IDC_CROSS);
	wndcls.hIcon = LoadIcon(NULL, IDI_ERROR);
	wndcls.hInstance = hInstance;
	wndcls.lpfnWndProc = WindowProc;
	wndcls.lpszClassName = _T("Hello");
	wndcls.lpszMenuName = NULL;
	wndcls.style = CS_HREDRAW | CS_VREDRAW;
	RegisterClass(&wndcls);

	HWND hwnd;
	hwnd = CreateWindow(_T("Hello"), L"World", WS_OVERLAPPEDWINDOW,
		0, 0, 600, 400, NULL, NULL, hInstance, NULL);

	ShowWindow(hwnd, SW_SHOWNORMAL);
	UpdateWindow(hwnd);

	MSG msg;
	while (GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return 0;
}

// 消息处理函数的实现
LRESULT CALLBACK WindowProc(
	  HWND hwnd,
	  UINT uMsg,
	  WPARAM wParam,
	  LPARAM lParam
)
{
	switch (uMsg)
	{
	case WM_DESTROY:
	{
					   PostQuitMessage(0);
					   return 0;
	}
	}
	return DefWindowProc(hwnd, uMsg, wParam, lParam);
}

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