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Code Issues Releases Wiki Activity

Added tests for `IContextMenu`

pull/180/head
David Hall 2020-11-23 15:02:43 -07:00
parent 5e06935c0d
commit eea310d41f
1 changed files with 75 additions and 0 deletions
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UnitTests/PInvoke/Shell32/ContextMenuTests.cs Normal file
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using NUnit.Framework;
using System;
using Vanara.InteropServices;
using static Vanara.PInvoke.User32;
using static Vanara.PInvoke.Shell32;
using System.Runtime.InteropServices;
using Vanara.Extensions;
namespace Vanara.PInvoke.Tests
{
[TestFixture]
public class ContextMenuTests
{
[Test]
public void QueryTest([Values] CMF cmf)
{
using var pshi = ComReleaserFactory.Create(SHCreateItemFromParsingName<IShellItem>(TestCaseSources.WordDoc));
using var pcm = ComReleaserFactory.Create(pshi.Item.BindToHandler<IContextMenu>(null, BHID.BHID_SFUIObject.Guid()));
using var hmenu = CreatePopupMenu();
Assert.That(pcm.Item.QueryContextMenu(hmenu, 0, 1, 0x7FFF, cmf), ResultIs.Successful);
var miis = MenuItemInfo.GetMenuItems(hmenu);
for (int i = 0; i < miis.Length; i++)
ShowMII(miis[i], i);
static void ShowMII(MenuItemInfo mii, int c, int indent = 0)
{
TestContext.WriteLine($"{new string(' ', indent * 3)}{c+1}) {mii.Text} (#{mii.Id}) - Type={mii.Type}; State={mii.State}");
for (int j = 0; j < mii.SubMenus.Length; j++)
ShowMII(mii.SubMenus[j], j, indent + 1);
}
}
public class MenuItemInfo
{
internal MenuItemInfo(HMENU hMenu, uint idx)
{
using var strmem = new SafeHGlobalHandle(512);
var mii = new MENUITEMINFO
{
cbSize = (uint)Marshal.SizeOf(typeof(MENUITEMINFO)),
fMask = MenuItemInfoMask.MIIM_ID | MenuItemInfoMask.MIIM_SUBMENU | MenuItemInfoMask.MIIM_FTYPE | MenuItemInfoMask.MIIM_STRING | MenuItemInfoMask.MIIM_STATE | MenuItemInfoMask.MIIM_BITMAP,
fType = MenuItemType.MFT_STRING,
dwTypeData = (IntPtr)strmem,
cch = strmem.Size / (uint)StringHelper.GetCharSize()
};
Win32Error.ThrowLastErrorIfFalse(GetMenuItemInfo(hMenu, idx, true, ref mii));
Id = mii.wID;
Text = mii.fType.IsFlagSet(MenuItemType.MFT_SEPARATOR) ? "-" : mii.fType.IsFlagSet(MenuItemType.MFT_STRING) ? strmem.ToString(-1, CharSet.Auto) : "";
Type = mii.fType;
State = mii.fState;
BitmapHandle = mii.hbmpItem;
SubMenus = GetMenuItems(mii.hSubMenu);
}
public static MenuItemInfo[] GetMenuItems(HMENU hMenu)
{
if (hMenu.IsNull)
return new MenuItemInfo[0];
var SubMenus = new MenuItemInfo[GetMenuItemCount(hMenu)];
for (uint i = 0; i < SubMenus.Length; i++)
SubMenus[i] = new MenuItemInfo(hMenu, i);
return SubMenus;
}
public uint Id { get; }
public string Text { get; }
public MenuItemType Type { get; }
public MenuItemState State { get; }
public MenuItemInfo[] SubMenus { get; }
public HBITMAP BitmapHandle { get; }
}
}
}