public override int Exec(ref Guid pguidCmdGroup, uint nCmdID, uint nCmdexecopt, IntPtr pvaIn, IntPtr pvaOut)
{
// Check for commit character.
var typedChar = char.MinValue;
if (pguidCmdGroup == CommandGroup && CommandIds.Contains(nCmdID))
{
if (nCmdID == (uint)VSConstants.VSStd2KCmdID.TYPECHAR)
{
typedChar = (char)(ushort)Marshal.GetObjectForNativeVariant(pvaIn);
}
var isCommit = nCmdID == (uint)VSConstants.VSStd2KCmdID.RETURN ||
nCmdID == (uint)VSConstants.VSStd2KCmdID.TAB;
var isCompletion = isCommit ||
char.IsWhiteSpace(typedChar) ||
(char.IsPunctuation(typedChar) && typedChar != '_');
if (isCompletion && _completionModelManager.Commit())
{
if (isCommit)
{
return(VSConstants.S_OK); // Don't add commit char to buffer.
}
}
}
// Pass command to next command target.
var result = NextCommandTarget.Exec(ref pguidCmdGroup, nCmdID, nCmdexecopt, pvaIn, pvaOut);
if (result == VSConstants.S_OK && pguidCmdGroup == CommandGroup && CommandIds.Contains(nCmdID))
{
var isTrigger = typedChar != char.MinValue && (char.IsLetterOrDigit(typedChar) || typedChar == '.');
_completionModelManager.HandleTextInput(isTrigger);
}
return(result);
}
