这个程序的特点：

1. 使用静态绘制，CPU消耗低
2. 支持GDI和GDI+绘制方法
3. 使用简单

使用方法：创建Win32项目，点上空项目，去掉SDL安全检查，然后新建一个cpp文件，贴里边就行了。

<code class="language-cpp">// GDIstatic.cpp - 使用GDI/GDI+进行静态绘制

#include <windows.h>
#include <gdiplus.h>
#pragma comment(lib, "gdiplus.lib")
#include <math.h>

HINSTANCE hInst;
HWND hMainWnd;

static float locx = 320, locy = 240;

// 窗口消息函数，在这里处理窗口消息
static LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	if (msg == WM_CREATE) // 窗口创建
	{
		return 0;
	}
	if (msg == WM_KEYDOWN) // 按下键
	{
		if (wParam == VK_LEFT)
		{
			locx -= 5.0f;
			InvalidateRect(hWnd, NULL, FALSE);
			return 0;
		}
		if (wParam == VK_RIGHT)
		{
			locx += 5.0f;
			InvalidateRect(hWnd, NULL, FALSE);
			return 0;
		}
		if (wParam == VK_UP)
		{
			locy -= 5.0f;
			InvalidateRect(hWnd, NULL, FALSE);
			return 0;
		}
		if (wParam == VK_DOWN)
		{
			locy += 5.0f;
			InvalidateRect(hWnd, NULL, FALSE);
			return 0;
		}
	}
	if (msg == WM_PAINT) // 窗口需要重绘
	{
		PAINTSTRUCT ps;
		HDC hdc = BeginPaint(hWnd, &ps);
		
		if (hdc) // 进行图形绘制（这里使用GDI+）
		{
			using namespace Gdiplus;
			Graphics g(hdc);
			g.Clear(Color::White);

			Pen blackpen(Color::Black, 1);

			g.DrawLine(&blackpen, PointF(locx, locy - 100), PointF(locx, locy + 100));
			g.DrawLine(&blackpen, PointF(locx - 100, locy), PointF(locx + 100, locy));
			g.DrawEllipse(&blackpen, RectF(locx - 100, locy - 100, 200, 200));
		}

		EndPaint(hWnd, &ps);
		return 0;
	}
	if (msg == WM_DESTROY) // 窗口被销毁
	{
		PostQuitMessage(0);
		return 0;
	}
	return DefWindowProc(hWnd, msg, wParam, lParam);
}

// 程序入口点
int WINAPI WinMain( __in HINSTANCE hInstance, __in_opt HINSTANCE hPrevInstance, __in_opt LPSTR lpCmdLine, __in int nShowCmd )
{
	hInst = hInstance;

#ifdef _GDIPLUS_H
	ULONG_PTR gdip_token = 0;
	Gdiplus::Status gdip_status = Gdiplus::GdiplusStartup(&gdip_token, &Gdiplus::GdiplusStartupInput(), NULL);
	if (gdip_status != Gdiplus::Ok)
	{
		MessageBox(NULL, TEXT("GDI+ initialization failed."), TEXT("Error"), MB_ICONHAND);
		return 0;
	}
#endif

	WNDCLASSEX wcex = {
		sizeof wcex,
		CS_VREDRAW|CS_HREDRAW,
		WndProc,
		0, 0,
		hInstance,
		LoadIcon(NULL, IDI_APPLICATION),
		LoadCursor(NULL, IDC_ARROW),
		NULL, // 我们将自己清空窗口，因此不需要背景画刷
		NULL,
		TEXT("MainWndClass"),
		LoadIcon(NULL, IDI_APPLICATION),
	};

	if (!RegisterClassEx(&wcex))
	{
		MessageBox(NULL, TEXT("This program cannot be run in Windows 95/98/Me."), TEXT("Error"), MB_ICONHAND);
		return 0;
	}

	RECT rcWindow = { 0, 0, 640, 480 };
	AdjustWindowRectEx(&rcWindow, WS_OVERLAPPEDWINDOW, FALSE, 0); // 将客户区大小转换为窗口大小
	hMainWnd = CreateWindowEx(
		0, TEXT("MainWndClass"), TEXT("Main Window"), WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, CW_USEDEFAULT, rcWindow.right - rcWindow.left, rcWindow.bottom - rcWindow.top,
		NULL, NULL, hInstance, NULL);

	if (hMainWnd == NULL)
	{
		MessageBox(NULL, TEXT("CreateWindowEx failed."), TEXT("Error"), MB_ICONHAND);
		return 0;
	}

	ShowWindow(hMainWnd, nShowCmd);
	UpdateWindow(hMainWnd);

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

#ifdef _GDIPLUS_H
	Gdiplus::GdiplusShutdown(gdip_token);
#endif

	return (int)msg.wParam;
}
</math.h></gdiplus.h></windows.h></code>