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Add demo application
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‎Demo/Demo.slnx‎

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<Solution>
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<Configurations>
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<Platform Name="ARM64" />
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<Platform Name="x64" />
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<Platform Name="x86" />
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</Configurations>
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<Project Path="../IExplorerCommand_CppWinRT/IExplorerCommand_CppWinRT.vcxproj" Id="05edc6f7-e5bd-46dd-a232-8e3b5d60e2a1">
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<BuildType Project="Release" />
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</Project>
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<Project Path="MyApplication/MyApplication.vcxproj" Id="9c6af8d1-8d1d-43fc-bf20-a760a9771723" DefaultStartup="true" />
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</Solution>

‎Demo/MyApplication/GdiScaling.manifest‎

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<?xml version="1.0" encoding="utf-8"?>
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<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
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<asmv3:application>
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<asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2017/WindowsSettings">
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<gdiScaling>true</gdiScaling>
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</asmv3:windowsSettings>
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</asmv3:application>
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</assembly>

‎Demo/MyApplication/MyApplication.cpp‎

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// MyApplication.cpp : Defines the entry point for the application.
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//
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#include "framework.h"
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#include "MyApplication.h"
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// Opt-in to version 6.0 of the Common Controls library for modern dialog style
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#pragma comment(linker,"\"/manifestdependency:type='win32' \
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name='Microsoft.Windows.Common-Controls' version='6.0.0.0' \
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processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
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#define MAX_LOADSTRING 100
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#define ID_LISTBOX 101
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#define WINDOW_WIDTH 720
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#define WINDOW_HEIGHT 480
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// Global Variables:
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HINSTANCE hInst; // current instance
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WCHAR szTitle[MAX_LOADSTRING]; // The title bar text
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WCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name
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// Forward declarations of functions included in this code module:
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ATOM MyRegisterClass(HINSTANCE hInstance);
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BOOL InitInstance(HINSTANCE, int);
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LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
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INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
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int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
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_In_opt_ HINSTANCE hPrevInstance,
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_In_ LPWSTR lpCmdLine,
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_In_ int nCmdShow)
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{
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UNREFERENCED_PARAMETER(hPrevInstance);
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UNREFERENCED_PARAMETER(lpCmdLine);
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// TODO: Place code here.
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// Initialize global strings
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LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
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LoadStringW(hInstance, IDC_MYAPPLICATION, szWindowClass, MAX_LOADSTRING);
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MyRegisterClass(hInstance);
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// Perform application initialization:
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if (!InitInstance (hInstance, nCmdShow))
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{
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return FALSE;
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}
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HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_MYAPPLICATION));
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MSG msg;
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// Main message loop:
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while (GetMessage(&msg, nullptr, 0, 0))
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{
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if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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}
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return (int) msg.wParam;
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}
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//
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// FUNCTION: MyRegisterClass()
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//
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// PURPOSE: Registers the window class.
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//
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ATOM MyRegisterClass(HINSTANCE hInstance)
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{
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WNDCLASSEXW wcex;
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wcex.cbSize = sizeof(WNDCLASSEX);
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wcex.style = CS_HREDRAW | CS_VREDRAW;
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wcex.lpfnWndProc = WndProc;
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wcex.cbClsExtra = 0;
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wcex.cbWndExtra = 0;
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wcex.hInstance = hInstance;
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wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_MYAPPLICATION));
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wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
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wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
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wcex.lpszMenuName = MAKEINTRESOURCEW(IDC_MYAPPLICATION);
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wcex.lpszClassName = szWindowClass;
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wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
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return RegisterClassExW(&wcex);
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}
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//
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// FUNCTION: InitInstance(HINSTANCE, int)
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//
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// PURPOSE: Saves instance handle and creates main window
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//
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// COMMENTS:
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//
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// In this function, we save the instance handle in a global variable and
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// create and display the main program window.
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//
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BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
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{
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hInst = hInstance; // Store instance handle in our global variable
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HWND hWnd = CreateWindowW(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
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CW_USEDEFAULT, 0, WINDOW_WIDTH, WINDOW_HEIGHT, nullptr, nullptr, hInstance, nullptr);
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if (!hWnd)
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{
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return FALSE;
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}
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ShowWindow(hWnd, nCmdShow);
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UpdateWindow(hWnd);
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return TRUE;
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}
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//
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// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
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//
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// PURPOSE: Processes messages for the main window.
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//
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// WM_COMMAND - process the application menu
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// WM_PAINT - Paint the main window
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// WM_DESTROY - post a quit message and return
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//
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//
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LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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static HWND hListBox;
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static HFONT hFont;
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constexpr const auto LISTBOX_MARGIN = 10;
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constexpr const auto LISTBOX_WIDTH_OFFSET = 2 * LISTBOX_MARGIN;
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constexpr const auto LISTBOX_HEIGHT_OFFSET = 2 * LISTBOX_MARGIN + 16;
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switch (message)
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{
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case WM_CREATE:
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{
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// Set font
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hFont = CreateFont(
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18, 0, 0, 0, FW_NORMAL, false, false, false,
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DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH,
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L"Segoe UI"
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);
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// Create ListBox
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hListBox = CreateWindowExW(
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WS_EX_CLIENTEDGE,
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L"LISTBOX",
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nullptr,
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WS_CHILD | WS_VISIBLE | WS_VSCROLL | LBS_NOTIFY,
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LISTBOX_MARGIN, LISTBOX_MARGIN + 20,
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WINDOW_WIDTH - LISTBOX_WIDTH_OFFSET, WINDOW_HEIGHT - LISTBOX_HEIGHT_OFFSET,
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hWnd,
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(HMENU)ID_LISTBOX,
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(HINSTANCE)GetWindowLongPtr(hWnd, GWLP_HINSTANCE),
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nullptr
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);
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SendMessage(hListBox, WM_SETFONT, (WPARAM)hFont, true);
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// Fill ListBox with command line parameters
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for (int i = 0; i < __argc; ++i) {
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SendMessage(hListBox, LB_ADDSTRING, 0, (LPARAM)__wargv[i]);
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}
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}
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break;
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case WM_COMMAND:
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{
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int wmId = LOWORD(wParam);
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// Parse the menu selections:
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switch (wmId)
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{
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case IDM_ABOUT:
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DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
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break;
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case IDM_EXIT:
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DestroyWindow(hWnd);
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break;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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}
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break;
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case WM_PAINT:
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{
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PAINTSTRUCT ps;
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HDC hdc = BeginPaint(hWnd, &ps);
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// TODO: Add any drawing code that uses hdc here...
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// Write text
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HFONT hOldFont = (HFONT)SelectObject(hdc, hFont);
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TextOut(hdc, 10, 8, L"Command line arguments:", 23);
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SelectObject(hdc, hOldFont);
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EndPaint(hWnd, &ps);
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}
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break;
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case WM_SIZE:
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{
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// Resize ListBox when window resized
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MoveWindow(
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hListBox,
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LISTBOX_MARGIN, LISTBOX_MARGIN + 20,
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LOWORD(lParam) - LISTBOX_WIDTH_OFFSET, HIWORD(lParam) - LISTBOX_HEIGHT_OFFSET,
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true
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);
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}
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break;
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case WM_DESTROY:
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DeleteObject(hFont);
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PostQuitMessage(0);
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break;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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return 0;
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}
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// Message handler for about box.
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INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
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{
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UNREFERENCED_PARAMETER(lParam);
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switch (message)
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{
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case WM_INITDIALOG:
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return (INT_PTR)TRUE;
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case WM_COMMAND:
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if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
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{
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EndDialog(hDlg, LOWORD(wParam));
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return (INT_PTR)TRUE;
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}
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break;
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}
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return (INT_PTR)FALSE;
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}

‎Demo/MyApplication/MyApplication.h‎

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#pragma once
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#include "resource.h"

‎Demo/MyApplication/MyApplication.ico‎

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‎Demo/MyApplication/MyApplication.rc‎

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