/// <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);
}
}
/// <inheritdoc/>
/// <remarks>
/// This command filter supports the <see cref="VsCommands2K.COMMENT_BLOCK"/>
/// and <see cref="VsCommands2K.UNCOMMENT_BLOCK"/> commands. The commands are
/// enabled when <see cref="ITextBuffer.CheckEditAccess"/> is <see langword="true"/>.
/// </remarks>
protected override OLECMDF QueryCommandStatus(ref Guid group, uint id, OleCommandText oleCommandText)
{
if (group == typeof(VsCommands2K).GUID)
{
VsCommands2K cmd = (VsCommands2K)id;
switch (cmd)
{
case VsCommands2K.COMMENT_BLOCK:
case VsCommands2K.UNCOMMENT_BLOCK:
if (TextView.TextBuffer.CheckEditAccess())
return OLECMDF.OLECMDF_SUPPORTED | OLECMDF.OLECMDF_ENABLED;
else
return OLECMDF.OLECMDF_SUPPORTED;
}
}
return base.QueryCommandStatus(ref group, id, oleCommandText);
}
/// <summary>
/// Gets the current status of a particular command.
/// </summary>
/// <remarks>
/// The base implementation returns 0 for all commands, indicating the command is not supported by this command
/// filter.
/// </remarks>
/// <param name="commandGroup">The command group.</param>
/// <param name="commandId">The command ID.</param>
/// <param name="oleCommandText">A wrapper around the <see cref="OLECMDTEXT"/> object passed to
/// <see cref="IOleCommandTarget.QueryStatus"/>, or <see langword="null"/> if this parameter should be
/// ignored.</param>
/// <returns>A combination of values from the <see cref="OLECMDF"/> enumeration indicating the current status of
/// a particular command, or 0 if the command is not recognized by the current command filter.</returns>
protected virtual OLECMDF QueryCommandStatus(ref Guid commandGroup, uint commandId, OleCommandText oleCommandText)
{
return(default(OLECMDF));
}
/// <summary>
/// Gets the current status of a particular command.
/// </summary>
/// <remarks>
/// The base implementation returns 0 for all commands, indicating the command is not supported by this command
/// filter.
/// </remarks>
/// <param name="commandGroup">The command group.</param>
/// <param name="commandId">The command ID.</param>
/// <param name="oleCommandText">A wrapper around the <see cref="OLECMDTEXT"/> object passed to
/// <see cref="IOleCommandTarget.QueryStatus"/>, or <see langword="null"/> if this parameter should be
/// ignored.</param>
/// <returns>A combination of values from the <see cref="OLECMDF"/> enumeration indicating the current status of
/// a particular command, or 0 if the command is not recognized by the current command filter.</returns>
protected virtual OLECMDF QueryCommandStatus(ref Guid commandGroup, uint commandId, OleCommandText oleCommandText)
{
return default(OLECMDF);
}