/// <summary>
/// Called to query the context menu.
/// </summary>
/// <param name="hMenu">The handle to the parent menu.</param>
/// <param name="indexMenu">The index of the menu.</param>
/// <param name="idCmdFirst">The first command ID.</param>
/// <param name="idCmdLast">The last command ID.</param>
/// <param name="uFlags">The flags.</param>
/// <returns>An HRESULT indicating success.</returns>
int IContextMenu.QueryContextMenu(IntPtr hMenu, uint indexMenu, int idCmdFirst, int idCmdLast, CMF uFlags)
{
// Log this key event.
Log(string.Format("Query Context Menu for items {0}", string.Join(", ", SelectedItemPaths)));
// If we've got the defaultonly flag, we're done.
if (uFlags.HasFlag(CMF.CMF_DEFAULTONLY))
return WinError.MAKE_HRESULT(WinError.SEVERITY_SUCCESS, 0, 0);
// Set the first item id.
var firstItemId = (uint)idCmdFirst;
// Use the native context menu wrapper to build the context menu.
uint lastItemId = 0;
try
{
nativeContextMenuWrapper.ResetNativeContextMenu();
lastItemId = nativeContextMenuWrapper.BuildNativeContextMenu(hMenu, firstItemId, contextMenuStrip.Value.Items);
}
catch (Exception exception)
{
// Log the exception.
LogError("An exception occured building the context menu.", exception);
// Return the failure.
return WinError.E_FAIL;
}
// Return success, passing the the last item ID plus one (which will be the next command id).
// MSDN documentation is flakey here - to be explicit we need to return the count of the items added plus one.
return WinError.MAKE_HRESULT(WinError.SEVERITY_SUCCESS, 0, (lastItemId - firstItemId) + 1);
}
/// <summary>
/// Called to query the context menu.
/// </summary>
/// <param name="hMenu">The handle to the parent menu.</param>
/// <param name="indexMenu">The index of the menu.</param>
/// <param name="idCmdFirst">The first command ID.</param>
/// <param name="idCmdLast">The last command ID.</param>
/// <param name="uFlags">The flags.</param>
/// <returns>An HRESULT indicating success.</returns>
int IContextMenu.QueryContextMenu(IntPtr hMenu, uint indexMenu, int idCmdFirst, int idCmdLast, CMF uFlags)
{
// Log this key event.
Log(string.Format("Query Context Menu for items {0}", string.Join(", ", SelectedItemPaths)));
// If we've got the defaultonly flag, we're done.
if (uFlags.HasFlag(CMF.CMF_DEFAULTONLY))
{
return(WinError.MAKE_HRESULT(WinError.SEVERITY_SUCCESS, 0, 0));
}
// Set the first item id.
var firstItemId = (uint)idCmdFirst;
// Use the native context menu wrapper to build the context menu.
uint lastItemId = 0;
try
{
nativeContextMenuWrapper.ResetNativeContextMenu();
lastItemId = nativeContextMenuWrapper.BuildNativeContextMenu(hMenu, firstItemId, contextMenuStrip.Value.Items);
}
catch (Exception exception)
{
// Log the exception.
LogError("An exception occured building the context menu.", exception);
// Return the failure.
return(WinError.E_FAIL);
}
// Return success, passing the the last item ID plus one (which will be the next command id).
// MSDN documentation is flakey here - to be explicit we need to return the count of the items added plus one.
return(WinError.MAKE_HRESULT(WinError.SEVERITY_SUCCESS, 0, (lastItemId - firstItemId) + 1));
}
/// <summary>
/// Called to query the context menu.
/// </summary>
/// <param name="hMenu">The handle to the parent menu.</param>
/// <param name="indexMenu">The index of the menu.</param>
/// <param name="idCmdFirst">The first command ID.</param>
/// <param name="idCmdLast">The last command ID.</param>
/// <param name="uFlags">The flags.</param>
/// <returns>An HRESULT indicating success.</returns>
HResult IContextMenu.QueryContextMenu(IntPtr hMenu, uint indexMenu, int idCmdFirst, int idCmdLast, CMF uFlags)
{
// Log this key event.
Log(string.Format("Query Context Menu for items: {0}{1}", Environment.NewLine, string.Join(Environment.NewLine, SelectedItemPaths)));
// If we've got the defaultonly flag, we're done.
if (uFlags.HasFlag(CMF.CMF_DEFAULTONLY))
{
return(WinError.MAKE_HResult(WinError.SEVERITY_SUCCESS, 0, 0));
}
// Before we build the context menu, determine whether we need to show it.
try
{
// If we can't show the menu, return false.
if (!CanShowMenu())
{
return(HResult.S_FALSE);
}
}
catch (Exception exception)
{
// We can't show the menu.
LogError("An exception ocurred determining whether the context menu should be shown.", exception);
// Return the failure.
return(HResult.E_FAIL);
}
// Set the first item id.
var firstItemId = (uint)idCmdFirst;
// Use the native context menu wrapper to build the context menu.
uint lastItemId = 0;
try
{
nativeContextMenuWrapper.ResetNativeContextMenu();
lastItemId = nativeContextMenuWrapper.BuildNativeContextMenu(hMenu, firstItemId, contextMenuStrip.Value.Items);
}
catch (Exception exception)
{
// DebugLog the exception.
LogError("An exception occured building the context menu.", exception);
// Return the failure.
return(HResult.E_FAIL);
}
// Return success, passing the the last item ID plus one (which will be the next command id).
// MSDN documentation is flakey here - to be explicit we need to return the count of the items added plus one.
return(WinError.MAKE_HResult(WinError.SEVERITY_SUCCESS, 0, (lastItemId - firstItemId) + 1));
}