int IOleCommandTarget.QueryStatus(ref Guid pguidCmdGroup, uint cCmds, OLECMD[] prgCmds, IntPtr pCmdText)
{
// Don't do anything here. This function is 100% performance critical!
return (int)OleConstants.OLECMDERR_E_NOTSUPPORTED;
}
/// <inheritdoc/>
int IOleCommandTarget.QueryStatus(ref Guid guidCmdGroup, uint cCmds, OLECMD[] prgCmds, IntPtr pCmdText)
{
Guid cmdGroup = guidCmdGroup;
for (uint i = 0; i < cCmds; i++)
{
OLECMDF status = QueryCommandStatus(ref cmdGroup, prgCmds[i].cmdID);
if (status == default(OLECMDF) && _next != null)
{
if (_next != null)
return _next.QueryStatus(ref cmdGroup, cCmds, prgCmds, pCmdText);
else
return (int)OleConstants.OLECMDERR_E_NOTSUPPORTED;
}
prgCmds[i].cmdf = (uint)status;
}
return VSConstants.S_OK;
}
public int QueryStatus(ref Guid pguidCmdGroup, uint cCmds, OLECMD[] prgCmds, IntPtr pCmdText)
{
return _oldTarget.QueryStatus(ref pguidCmdGroup, cCmds, prgCmds, pCmdText);
}
public int QueryStatus(ref Guid pguidCmdGroup, uint cCmds, OLECMD[] prgCmds, IntPtr pCmdText)
{
return RouteQueryStatus(Route, ref pguidCmdGroup, cCmds, prgCmds, pCmdText);
}
private static int RouteQueryStatus(Func<CommandTargetParameters, RoutedCommand, bool> canExecuteFunc, ref Guid pguidCmdGroup, uint cCmds, OLECMD[] prgCmds, IntPtr pCmdText)
{
RoutedCommand command = InheritanceMarginPackage.Instance.FindCommand(pguidCmdGroup, prgCmds[0].cmdID);
if (command == null)
return (int)OleConstants.MSOCMDERR_E_UNKNOWNGROUP;
string commandText = GetCommandText(pCmdText);
CommandTargetParameters @params = CommandTargetParameters.CreateInstance(prgCmds[0].cmdID, commandText);
if (!canExecuteFunc(@params, command))
return (int)OleConstants.MSOCMDERR_E_NOTSUPPORTED;
prgCmds[0].cmdf = (uint)OLECMDF.OLECMDF_SUPPORTED;
prgCmds[0].cmdf |= @params.Enabled ? (uint)OLECMDF.OLECMDF_ENABLED : 0;
prgCmds[0].cmdf |= [email protected] ? (uint)OLECMDF.OLECMDF_INVISIBLE : 0;
prgCmds[0].cmdf |= @params.Pressed ? (uint)OLECMDF.OLECMDF_LATCHED : 0;
if (@params.Text == null)
@params.Text = string.Empty;
if (commandText != @params.Text)
SetCommandText(pCmdText, @params.Text);
return VSConstants.S_OK;
}
private static int RouteQueryStatus(IInputElement routing, ref Guid pguidCmdGroup, uint cCmds, OLECMD[] prgCmds, IntPtr pCmdText)
{
return RouteQueryStatus((args, command) => command.CanExecute(args, routing), ref pguidCmdGroup, cCmds, prgCmds, pCmdText);
}
/// <inheritdoc/>
int IOleCommandTarget.QueryStatus(ref Guid guidCmdGroup, uint cCmds, OLECMD[] prgCmds, IntPtr pCmdText)
{
using (OleCommandText oleCommandText = OleCommandText.FromQueryStatus(pCmdText))
{
Guid cmdGroup = guidCmdGroup;
for (uint i = 0; i < cCmds; i++)
{
OLECMDF status = QueryCommandStatus(ref cmdGroup, prgCmds[i].cmdID, oleCommandText);
if (status == default(OLECMDF) && _next != null)
{
int hr = _next.QueryStatus(ref cmdGroup, cCmds, prgCmds, pCmdText);
if (ErrorHandler.Failed(hr))
return hr;
}
else
{
prgCmds[i].cmdf = (uint)status;
}
}
return VSConstants.S_OK;
}
}
