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 RouteExec(Func <CommandTargetParameters, RoutedCommand, bool> canExecuteFunc, Action <CommandTargetParameters, RoutedCommand> executeFunc, ref Guid pguidCmdGroup, uint nCmdID, uint nCmdexecopt, IntPtr pvaIn, IntPtr pvaOut)
{
RoutedCommand command = InheritanceMarginPackage.Instance.FindCommand(pguidCmdGroup, nCmdID);
if (command == null)
{
return((int)OleConstants.MSOCMDERR_E_UNKNOWNGROUP);
}
CommandTargetParameters @params = CommandTargetParameters.CreateInstance(nCmdID);
@params.InArgs = (pvaIn == IntPtr.Zero) ? null : Marshal.GetObjectForNativeVariant(pvaIn);
if (canExecuteFunc(@params, command))
{
try
{
executeFunc(@params, command);
return(VSConstants.S_OK);
}
catch (COMException exception)
{
return(exception.ErrorCode);
}
}
return((int)OleConstants.MSOCMDERR_E_NOTSUPPORTED);
}