An example into how to use the interfaces and functions in this pull …

…request

contrib/platform/test/com/sun/jna/platform/win32/COM/IShellFolderTest.java

@@ -0,0 +1,91 @@
+package com.sun.jna.platform.win32.COM;
+
+/*
+ * Copyright (c) 2015 L W Ahonen, All Rights Reserved
+ *
+ */
+
+
+import com.sun.jna.Pointer;
+import com.sun.jna.platform.win32.*;
+import com.sun.jna.ptr.PointerByReference;
+import junit.framework.TestCase;
+
+public class IShellFolderTest extends TestCase {
+
+ private IShellFolder psfMyComputer;
+
+ public static WinNT.HRESULT BindToCsidl(int csidl, Guid.REFIID riid, PointerByReference ppv) {
+ WinNT.HRESULT hr;
+ PointerByReference pidl = new PointerByReference();
+ hr = Shell32.INSTANCE.SHGetSpecialFolderLocation(null, csidl, pidl);
+ if (COMUtils.SUCCEEDED(hr)) {
+ PointerByReference psfDesktopPTR = new PointerByReference();
+ hr = Shell32.INSTANCE.SHGetDesktopFolder(psfDesktopPTR);
+ if (COMUtils.SUCCEEDED(hr)) {
+ IShellFolder psfDesktop = IShellFolder.Converter.PointerToIShellFolder(psfDesktopPTR);
+ short cb = pidl.getValue().getShort(0);
+ if (cb != 0) {
+ hr = psfDesktop.BindToObject(pidl.getValue(), null, riid, ppv);
+ } else {
+ hr = psfDesktop.QueryInterface(riid, ppv);
+ }
+ psfDesktop.Release();
+ }
+ Ole32.INSTANCE.CoTaskMemFree(pidl.getValue());
+ }
+ return hr;
+ }
+
+ public void setUp() throws Exception {
+ Ole32.INSTANCE.CoInitialize(null);
+ int CSIDL_DRIVES = 0x0011;
+ WinNT.HRESULT hr = Ole32.INSTANCE.CoInitialize(null);
+ if (COMUtils.SUCCEEDED(hr)) {
+ PointerByReference psfMyComputerPTR = new PointerByReference(Pointer.NULL);
+ hr = BindToCsidl(CSIDL_DRIVES, new Guid.REFIID(IShellFolder.IID_ISHELLFOLDER), psfMyComputerPTR);
+ if (COMUtils.SUCCEEDED(hr)) {
+ psfMyComputer = IShellFolder.Converter.PointerToIShellFolder(psfMyComputerPTR);
+ }
+ }
+ if(psfMyComputer == null)
+ throw new RuntimeException("Unable to create my computer shell object");
+ }
+
+ public void tearDown() throws Exception {
+ psfMyComputer.Release();
+ Ole32.INSTANCE.CoUninitialize();
+ }
+
+ public void testEnumObjects() throws Exception {
+ PointerByReference peidlPTR = new PointerByReference();
+ int SHCONTF_FOLDERS = 0x20;
+ int SHCONTF_NONFOLDERS = 0x40;
+ boolean sawNames=false;
+
+ WinNT.HRESULT hr = psfMyComputer.EnumObjects(null,
+ SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, peidlPTR);
+ if (COMUtils.SUCCEEDED(hr)) {
+ IEnumIDList peidl = IEnumIDList.Converter.PointerToIEnumIDList(peidlPTR);
+ PointerByReference pidlItem = new PointerByReference();
+ while (peidl.Next(1, pidlItem, null).intValue() == COMUtils.S_OK) {
+ PointerByReference sr = new PointerByReference();
+ hr = psfMyComputer.GetDisplayNameOf(pidlItem.getValue(), 0, sr);
+ if (COMUtils.SUCCEEDED(hr)) {
+ PointerByReference pszName = new PointerByReference();
+ hr = Shlwapi.INSTANCE.StrRetToStr(sr, pidlItem.getValue(), pszName);
+ if (COMUtils.SUCCEEDED(hr)) {
+ String wideString = pszName.getValue().getWideString(0);
+ if (wideString != null && wideString.length() > 0)
+ sawNames = true;
+ Ole32.INSTANCE.CoTaskMemFree(pszName.getValue());
+ }
+ Ole32.INSTANCE.CoTaskMemFree(sr.getValue());
+ }
+ Ole32.INSTANCE.CoTaskMemFree(pidlItem.getValue());
+ }
+ peidl.Release();
+ }
+ assertTrue(sawNames);
+ }
+}