public static void WrapBeforeQueryStatus(OleMenuCommand command, IPackageCommandHandler handler)
{
command.Supported = handler.Supported;
if (!command.Supported)
{
// Ensures OleMenuCommandService returns OLECMDERR_E_NOTSUPPORTED.
command.Enabled = false;
command.Checked = false;
command.Visible = true;
}
else
{
command.Checked = handler.Checked;
command.Enabled = handler.Enabled;
command.Visible = handler.Visible;
}
if (LogCommand(command.CommandID))
{
Logger.LogInfo(
"BeforeQueryStatus: cmd={0}, handler={1}: Supported={2}, Checked={3}, Enabled={4}, Visible={5}",
command,
handler,
command.Supported,
command.Checked,
command.Enabled,
command.Visible);
}
}
/// <summary>
/// Convert an instance of <see cref="IPackageCommandHandler"/> to an <see
/// cref="OleMenuCommand"/>. Note: When using the <see
/// cref="OleMenuCommand"/> with an implementation of <see
/// cref="OleMenuCommandService"/>, make sure to override <see
/// cref="Microsoft.VisualStudio.OLE.Interop.IOleCommandTarget "/> and forward calls to <see
/// cref="OleCommandTargetSpy"/>.
/// </summary>
public static OleMenuCommand ToOleMenuCommand(this IPackageCommandHandler handler)
{
var command = new OleMenuCommand(handler.Execute, handler.CommandId);
command.BeforeQueryStatus += (sender, args) =>
OleCommandTargetSpy.WrapBeforeQueryStatus(command, handler);
return(command);
}
public static void WrapBeforeQueryStatus(OleMenuCommand command, IPackageCommandHandler handler) {
command.Supported = handler.Supported;
if (!command.Supported) {
// Ensures OleMenuCommandService returns OLECMDERR_E_NOTSUPPORTED.
command.Enabled = false;
command.Checked = false;
command.Visible = true;
} else {
command.Checked = handler.Checked;
command.Enabled = handler.Enabled;
command.Visible = handler.Visible;
}
if (LogCommand(command.CommandID)) {
Logger.LogInfo(
"BeforeQueryStatus: cmd={0}, handler={1}: Supported={2}, Checked={3}, Enabled={4}, Visible={5}",
command,
handler,
command.Supported,
command.Checked,
command.Enabled,
command.Visible);
}
}
