void ExplorerTreeView_BeforeExpand(object sender, TreeViewCancelEventArgs e)
{
Cursor oldCursor = this.Cursor;
ShellItem item = (ShellItem)e.Node.Tag;
ShellItem shRoot = (ShellItem)root.Tag;
Cursor = Cursors.WaitCursor;
Enabled = false;
if (!item.Equals(shRoot))
{
if (e.Node.Nodes.Count == 1 && e.Node.Nodes[0].Text.Equals(" : "))
{
e.Node.Nodes.Clear();
List <ShellItem> subDirs = item.GetFolders(true);
TreeNode[] nodes = new TreeNode[subDirs.Count];
for (int i = 0; i < subDirs.Count; i++)
{
nodes[i] = MakeNode(subDirs[i]);
}
e.Node.Nodes.AddRange(nodes);
}
else
{
RefreshNode(e.Node);
}
}
Enabled = true;
Cursor = oldCursor;
}
public void Uri()
{
string desktopExpected = "shell:///Desktop";
string myComputerExpected = "shell:///MyComputerFolder";
string myDocumentsExpected = "shell:///Personal";
ShellItem desktop1 = ShellItem.Desktop;
ShellItem desktop2 = new ShellItem(desktopExpected);
ShellItem myComputer = new ShellItem(myComputerExpected);
ShellItem myDocuments = new ShellItem(Environment.SpecialFolder.MyDocuments);
ShellItem myDocumentsChild = myDocuments["GongShellTestFolder"];
ShellItem myDocumentsChild2 = new ShellItem(myDocumentsExpected + "/GongShellTestFolder");
ShellItem myDocumentsChild3 = new ShellItem(myDocumentsExpected + "/GongShellTestFolder/Nested");
ShellItem cDrive = new ShellItem(@"C:\");
ShellItem controlPanel = new ShellItem((Environment.SpecialFolder)CSIDL.CONTROLS);
Assert.AreEqual(desktopExpected, desktop1.ToString());
Assert.AreEqual(desktopExpected, desktop2.ToString());
Assert.AreEqual(myComputerExpected, myComputer.ToString());
Assert.AreEqual(myDocumentsExpected, myDocuments.ToString());
Assert.AreEqual(myDocumentsExpected + "/GongShellTestFolder",
myDocumentsChild.ToString());
Assert.AreEqual("file:///C:/", cDrive.ToString());
Assert.IsTrue(myDocumentsChild.Equals(myDocumentsChild2));
Assert.AreEqual(myDocumentsExpected + "/GongShellTestFolder/Nested",
myDocumentsChild3.ToString());
}
public void SpecialFolders()
{
Environment.SpecialFolder myComputerFolder =
Environment.SpecialFolder.MyComputer;
Environment.SpecialFolder myPicturesFolder =
Environment.SpecialFolder.MyPictures;
ShellItem myComputer = new ShellItem(myComputerFolder);
ShellItem myComputer2 = new ShellItem(myComputer.ToUri());
ShellItem myPictures = new ShellItem(myPicturesFolder);
ShellItem myPictures2 = new ShellItem(myPictures.ToUri());
Assert.IsTrue(myComputer.Equals(myComputer2));
Assert.AreEqual(Environment.GetFolderPath(myPicturesFolder), myPictures.FileSystemPath);
Assert.AreEqual(myPictures, myPictures2);
try
{
string path = myComputer.FileSystemPath;
Assert.Fail("FileSystemPath from virtual folder should throw exception");
}
catch (ArgumentException)
{
}
catch (Exception)
{
Assert.Fail("FileSystemPath from virtual folder should throw ArgumentException");
}
}
public void Compare()
{
ShellItem desktop1 = ShellItem.Desktop;
ShellItem desktop2 = new ShellItem("shell:///Desktop");
ShellItem item1 = new ShellItem(@"C:\Program Files");
ShellItem item2 = item1.Parent[@"Program Files"];
Assert.IsTrue(desktop1.Equals(desktop2));
Assert.AreEqual(item1.FileSystemPath, item2.FileSystemPath);
Assert.IsTrue(item1 == item2);
Assert.IsFalse(item1 != item2);
}
/// <summary>
/// If selectionChange is true, the current directory is changed after a TreeNode is selected, if that happens
/// the ListView will be cleared and filled with the contents of the new directory and the
/// SelectedFolderChangeEvent will be raised
/// </summary>
void folderView_AfterSelect(object sender, TreeViewEventArgs e)
{
if (selectionChange)
{
ShellItem oldItem = selectedItem;
ShellItem newItem = e.Node.Tag as ShellItem;
if (!ShellItem.Equals(oldItem, newItem))
{
OnSelectedFolderChanged(new SelectedFolderChangedEventArgs(folderView.SelectedNode));
}
}
}
public bool GetListItem(ShellItem shellItem, out ListViewItem listItem)
{
listItem = null;
foreach (ListViewItem item in Items)
{
if (shellItem.Equals(item.Tag))
{
listItem = item;
return(true);
}
}
return(false);
}
public int DragDrop(IntPtr pDataObj, ShellAPI.MK grfKeyState, ShellAPI.POINT pt, ref DragDropEffects pdwEffect)
{
OnDrop(new DropEventArgs(mouseButtons, br.FileView));
if (!((mouseButtons & ShellAPI.MK.RBUTTON) != 0 ||
grfKeyState == ShellAPI.MK.CONTROL ||
grfKeyState == ShellAPI.MK.ALT ||
grfKeyState == (ShellAPI.MK.CONTROL | ShellAPI.MK.SHIFT)) && ShellItem.Equals(parentDragItem, parentDropItem))
{
ResetDrop();
ReleaseCom();
pdwEffect = DragDropEffects.None;
if (dropHelper != null)
{
dropHelper.Drop(pDataObj, ref pt, pdwEffect);
}
return(ShellAPI.S_OK);
}
ResetDrop();
if (dropTarget != null)
{
dropTarget.DragDrop(pDataObj, grfKeyState, pt, ref pdwEffect);
ReleaseCom();
dropDataObject = IntPtr.Zero;
}
if (dropHelper != null)
{
dropHelper.Drop(pDataObj, ref pt, pdwEffect);
}
return(ShellAPI.S_OK);
}
public void EqualityTest()
{
using var i = new ShellItem(testDoc);
using var l = new ShellLink(testLinkDoc);
using ShellItem lt = l.Target;
Assert.That(i == lt, Is.True);
Assert.That(i != lt, Is.False);
Assert.That(i.Equals(lt), Is.True);
Assert.That(i.CompareTo(lt), Is.Zero);
Assert.That(i.CompareTo(l), Is.Not.Zero);
Assert.That(((IComparable <ShellItem>)i).CompareTo(lt), Is.Zero);
Assert.That(((IComparable <ShellItem>)i).CompareTo(l), Is.Not.Zero);
Assert.That(i.Equals(lt.IShellItem), Is.True);
Assert.That(i.Equals(lt.Name), Is.False);
Assert.That(i.Equals((object)null), Is.False);
Assert.That(i.Equals((IShellItem)null), Is.False);
Assert.That(i.Equals((ShellItem)null), Is.False);
Assert.That(i.GetHashCode(), Is.EqualTo(lt.GetHashCode()));
}
public void SpecialFolders()
{
Environment.SpecialFolder myComputerFolder =
Environment.SpecialFolder.MyComputer;
Environment.SpecialFolder myPicturesFolder =
Environment.SpecialFolder.MyPictures;
ShellItem myComputer = new ShellItem(myComputerFolder);
ShellItem myComputer2 = new ShellItem(myComputer.ToUri());
ShellItem myPictures = new ShellItem(myPicturesFolder);
ShellItem myPictures2 = new ShellItem(myPictures.ToUri());
Assert.IsTrue(myComputer.Equals(myComputer2));
Assert.AreEqual(Environment.GetFolderPath(myPicturesFolder), myPictures.FileSystemPath);
Assert.AreEqual(myPictures, myPictures2);
try
{
string path = myComputer.FileSystemPath;
Assert.Fail("FileSystemPath from virtual folder should throw exception");
}
catch (ArgumentException)
{
}
catch (Exception)
{
Assert.Fail("FileSystemPath from virtual folder should throw ArgumentException");
}
}