不多说，直接上Win32 VC++代码
///FrameCPP.h
///
#pragma once
#include "resource.h"
#include <ShlObj.h>
#include <CommCtrl.h>
#include <vector>
#include <comdef.h>
#include <gdiplus.h>
#pragma comment(lib, "comctl32.lib")
#pragma comment(lib, "gdiplus.lib")
std::vector<WCHAR*> filenames;
std::vector<Gdiplus::Image*> images;
Gdiplus::Image* bgimg;
int index;
/// FramesCPP.cpp : 定义应用程序的入口点。
///
#include "stdafx.h"
#include "FramesCPP.h"
#define MAX_LOADSTRING 100
// 全局变量:
HINSTANCE hInst; // 当前实例
WCHAR szTitle[MAX_LOADSTRING]; // 标题栏文本
WCHAR szWindowClass[MAX_LOADSTRING]; // 主窗口类名
// 此代码模块中包含的函数的前向声明:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
_In_opt_ HINSTANCE hPrevInstance,
_In_ LPWSTR lpCmdLine,
_In_ int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
// TODO: 在此放置代码。
// 初始化全局字符串
LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadStringW(hInstance, IDC_FRAMESCPP, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// 执行应用程序初始化:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_FRAMESCPP));
MSG msg;
Gdiplus::GdiplusStartupInput gsi;
Gdiplus::GdiplusStartupOutput gso;
ULONG_PTR token;
GdiplusStartup(&token,&gsi,&gso);
bgimg = Gdiplus::Image::FromFile(L".\\bg.jpg");
// 主消息循环:
while (GetMessage(&msg, nullptr, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (int) msg.wParam;
}
//
// 函数: MyRegisterClass()
//
// 目的: 注册窗口类。
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEXW wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_FRAMESCPP));
wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = MAKEINTRESOURCEW(IDC_FRAMESCPP);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
return RegisterClassExW(&wcex);
}
//
// 函数: InitInstance(HINSTANCE, int)
//
// 目的: 保存实例句柄并创建主窗口
//
// 注释:
//
// 在此函数中，我们在全局变量中保存实例句柄并
// 创建和显示主程序窗口。
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
hInst = hInstance; // 将实例句柄存储在全局变量中
HWND hWnd = CreateWindowW(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, nullptr, nullptr, hInstance, nullptr);
if (!hWnd)
{
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
//
// 函数: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// 目的: 处理主窗口的消息。
//
// WM_COMMAND - 处理应用程序菜单
// WM_PAINT - 绘制主窗口
// WM_DESTROY - 发送退出消息并返回
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_COMMAND:
{
int wmId = LOWORD(wParam);
// 分析菜单选择:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_OPEN:
{
LPITEMIDLIST pil = NULL;
INITCOMMONCONTROLSEX InitCtrls = { 0 };
TCHAR szBuf[4096] = { 0 };
BROWSEINFO bi = { 0 };
bi.hwndOwner = NULL;
bi.iImage = 0;
bi.lParam = NULL;
bi.lpfn = NULL;
bi.lpszTitle = _T("请选择文件路径");
bi.pszDisplayName = szBuf;
bi.ulFlags = BIF_BROWSEINCLUDEFILES;
InitCommonControlsEx(&InitCtrls);//在调用函数SHBrowseForFolder之前需要调用该函数初始化相关环境
pil = SHBrowseForFolder(&bi);
for (int i = 0; i < filenames.size();i++)
{
delete filenames[i];
delete images[i];
}
filenames.clear();
images.clear();
KillTimer(hWnd, 1);
if (NULL != pil)//若函数执行成功，并且用户选择问件路径并点击确定
{
SHGetPathFromIDList(pil, szBuf);//获取用户选择的文件路径
WIN32_FIND_DATAW fd;
memset(&fd, 0, sizeof(fd));
TCHAR strall[MAX_PATH];
_tcscpy_s(strall, szBuf);
_tcscat_s(strall, _T("\\*.*"));
HANDLE findhandle = FindFirstFile(strall, &fd);
while (TRUE)
{
BOOL r = FindNextFile(findhandle, &fd);
TCHAR* filename = new TCHAR[260];
_tcscpy_s(filename,260, fd.cFileName);
TCHAR* filepath = new TCHAR[260];
_stprintf_s(filepath, 260, L"%s\\%s", szBuf, filename);
if (!r)
break;
if (_tcscmp(filename, L"..") != 0) {
filenames.push_back(filepath);
images.push_back(Gdiplus::Image::FromFile(filepath));
}
}
FindClose(findhandle);
SetTimer(hWnd, 1, 20, NULL);
//wprintf_s(_T("%s"), szBuf);
}
break;
}
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
}
break;
case WM_ERASEBKGND:
{
//PAINTSTRUCT ps;
//HDC hdc = BeginPaint(hWnd, &ps);
//// TODO: 在此处添加使用 hdc 的任何绘图代码...
if (filenames.size() > 0) {
Gdiplus::Graphics* g = Gdiplus::Graphics::FromHDC(GetDC(hWnd));
Gdiplus::Image *tempimg = new Gdiplus::Bitmap(bgimg->GetWidth(), bgimg->GetHeight());
Gdiplus::Graphics* g1 = Gdiplus::Graphics::FromImage(tempimg);
//g->Clear(Gdiplus::Color::White);
g1->DrawImage(bgimg, 0, 0);
g1->DrawImage(images[index], 0, 0);
g1->Flush();
g1->Save();
g->DrawImage(tempimg, 0, 0);
tempimg->~Image();
g1->~Graphics();
g->~Graphics();
}
//EndPaint(hWnd, &ps);
break;
}
case WM_TIMER:
{
index += 1;
if (index >= filenames.size())
index = 0;
RECT clientrect;
GetClientRect(hWnd, &clientrect);
InvalidateRect(hWnd, &clientrect, TRUE);
break;
}
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hdc = BeginPaint(hWnd, &ps);
//TODO: 在此处添加使用 hdc 的任何绘图代码...
EndPaint(hWnd, &ps);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
// “关于”框的消息处理程序。
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(lParam);
switch (message)
{
case WM_INITDIALOG:
return (INT_PTR)TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
}
return (INT_PTR)FALSE;
}