public void ShowContextMenuForCSIDL(IntPtr handleOwner, ShellAPI.CSIDL csidl, Point pointScreen)
{
// Release all resources first.
ReleaseAll();
IntPtr pMenu = IntPtr.Zero;
var hook = new LocalWindowsHook(HookType.WH_CALLWNDPROC);
hook.HookInvoked += WindowsHookInvoked;
try
{
IntPtr tempPidl;
ShellAPI.SHGetSpecialFolderLocation(IntPtr.Zero, csidl, out tempPidl);
_arrPIDLs = new[] { tempPidl };
_oParentFolder = GetDesktopFolder();
if (false == GetContextMenuInterfaces(_oParentFolder, _arrPIDLs))
{
ReleaseAll();
return;
}
pMenu = CreatePopupMenu();
_oContextMenu.QueryContextMenu(
pMenu,
0,
CMD_FIRST,
CMD_LAST,
CMF.EXPLORE |
CMF.NORMAL |
((Control.ModifierKeys & Keys.Shift) != 0 ? CMF.EXTENDEDVERBS : 0));
hook.Install();
uint nSelected = TrackPopupMenuEx(
pMenu,
TPM.RETURNCMD,
pointScreen.X,
pointScreen.Y,
handleOwner,
IntPtr.Zero);
DestroyMenu(pMenu);
pMenu = IntPtr.Zero;
if (nSelected != 0)
{
var strParentFolder = string.Empty;
InvokeCommand(_oContextMenu, nSelected, strParentFolder, pointScreen);
}
}
finally
{
hook.Uninstall();
if (pMenu != IntPtr.Zero)
{
DestroyMenu(pMenu);
}
ReleaseAll();
}
}
//private void InvokeContextMenuDefault(FileInfo[] arrayOfFileInfo)
//{
// // Release all resources first.
// ReleaseAll();
// IntPtr pMenu = IntPtr.Zero;
// try
// {
// _arrPIDLs = GetPIDL(arrayOfFileInfo);
// if (null == _arrPIDLs)
// {
// ReleaseAll();
// return;
// }
// if (false == GetContextMenuInterfaces(_oParentFolder, _arrPIDLs))
// {
// ReleaseAll();
// return;
// }
// pMenu = CreatePopupMenu();
// int nResult = _oContextMenu.QueryContextMenu(
// pMenu,
// 0,
// CMD_FIRST,
// CMD_LAST,
// CMF.DEFAULTONLY |
// ((Control.ModifierKeys & Keys.Shift) != 0 ? CMF.EXTENDEDVERBS : 0));
// uint nDefaultCmd = (uint)GetMenuDefaultItem(pMenu, false, 0);
// if (nDefaultCmd >= CMD_FIRST)
// {
// InvokeCommand(_oContextMenu, nDefaultCmd, arrayOfFileInfo[0].DirectoryName, Control.MousePosition);
// }
// DestroyMenu(pMenu);
// pMenu = IntPtr.Zero;
// }
// catch
// {
// throw;
// }
// finally
// {
// if (pMenu != IntPtr.Zero)
// {
// DestroyMenu(pMenu);
// }
// ReleaseAll();
// }
//}
#endregion
#region ShowContextMenu()
/// <summary>
/// Shows the context menu
/// </summary>
/// <param name="handleOwner">Window that will get messages</param>
/// <param name="arrFileInfo">FileInfos (should all be in same directory)</param>
/// <param name="pointScreen">Where to show the menu</param>
public void ShowContextMenu(IntPtr handleOwner, FileInfo[] arrFileInfo, Point pointScreen)
{
// Release all resources first.
ReleaseAll();
IntPtr pMenu = IntPtr.Zero;
var hook = new LocalWindowsHook(HookType.WH_CALLWNDPROC);
hook.HookInvoked += WindowsHookInvoked;
try
{
//Application.AddMessageFilter(this);
_arrPIDLs = GetPIDL(arrFileInfo);
if (null == _arrPIDLs)
{
ReleaseAll();
return;
}
if (false == GetContextMenuInterfaces(_oParentFolder, _arrPIDLs))
{
ReleaseAll();
return;
}
pMenu = CreatePopupMenu();
_oContextMenu.QueryContextMenu(
pMenu,
0,
CMD_FIRST,
CMD_LAST,
CMF.EXPLORE |
CMF.NORMAL |
((Control.ModifierKeys & Keys.Shift) != 0 ? CMF.EXTENDEDVERBS : 0));
hook.Install();
uint nSelected = TrackPopupMenuEx(
pMenu,
TPM.RETURNCMD,
pointScreen.X,
pointScreen.Y,
handleOwner,
IntPtr.Zero);
DestroyMenu(pMenu);
pMenu = IntPtr.Zero;
if (nSelected != 0)
{
InvokeCommand(_oContextMenu, nSelected, _strParentFolder, pointScreen);
}
}
finally
{
hook.Uninstall();
if (pMenu != IntPtr.Zero)
{
DestroyMenu(pMenu);
}
ReleaseAll();
}
}