shell32/tests: Add a basic test for SHLimitInputEdit().

dlls/shell32/tests/shlfolder.c

@@ -5217,6 +5217,34 @@ static void test_GetDefaultSearchGUID(void)
     CoUninitialize();
 }
 
+static void test_SHLimitInputEdit(void)
+{
+    IShellFolder *desktop;
+    HRESULT hr;
+    HWND hwnd;
+
+    hr = SHGetDesktopFolder(&desktop);
+    ok(hr == S_OK, "Failed to get desktop folder, hr %#x.\n", hr);
+
+    hr = SHLimitInputEdit(NULL, desktop);
+todo_wine
+    ok(hr == E_FAIL, "Unexpected hr %#x.\n", hr);
+
+    hwnd = CreateWindowA("EDIT", NULL, WS_VISIBLE, 0, 0, 100, 30, NULL, NULL, NULL, NULL);
+    ok(hwnd != NULL, "Failed to create Edit control.\n");
+
+    hr = SHLimitInputEdit(hwnd, desktop);
+todo_wine
+    ok(hr == S_OK, "Failed to set input limits, hr %#x.\n", hr);
+
+    hr = SHLimitInputEdit(hwnd, desktop);
+todo_wine
+    ok(hr == S_OK, "Failed to set input limits, hr %#x.\n", hr);
+
+    DestroyWindow(hwnd);
+    IShellFolder_Release(desktop);
+}
+
 START_TEST(shlfolder)
 {
     init_function_pointers();
@@ -5258,6 +5286,7 @@ START_TEST(shlfolder)
     test_DataObject();
     test_GetDefaultColumn();
     test_GetDefaultSearchGUID();
+    test_SHLimitInputEdit();
 
     OleUninitialize();
 }

include/shlobj.h

@@ -1801,6 +1801,7 @@ HRESULT WINAPI CDefFolderMenu_Create2(LPCITEMIDLIST pidlFolder, HWND hwnd, UINT
                                       IContextMenu **ppcm);
 
 int WINAPI PickIconDlg(HWND owner, WCHAR *path, UINT path_len, int *index);
+HRESULT WINAPI SHLimitInputEdit(HWND hwnd, IShellFolder *folder);
 
 #include <poppack.h>
 

include/shobjidl.idl

@@ -3699,6 +3699,20 @@ typedef enum ASSOC_FILTER
 } ASSOC_FILTER;
 cpp_quote("HRESULT WINAPI SHAssocEnumHandlers(PCWSTR extra, ASSOC_FILTER filter, IEnumAssocHandlers **handlersenum);")
 
+[
+    uuid(1df0d7f1-b267-4d28-8b10-12e23202a5c4),
+]
+interface IItemNameLimits : IUnknown
+{
+    HRESULT GetValidCharacters(
+        [out, string] LPWSTR *validchars,
+        [out, string] LPWSTR *invalidchars);
+
+    HRESULT GetMaxLength(
+        [in, string] LPCWSTR name,
+        [out] int *max_length);
+}
+
 /*****************************************************************************
  * ShellObjects typelibrary
  */