public DebuggerOptionsPanelWidget()
{
this.Build();
options = DebuggingService.GetUserOptions();
projectCodeOnly.Active = options.ProjectAssembliesOnly;
checkAllowEval.Active = options.EvaluationOptions.AllowTargetInvoke;
checkToString.Active = options.EvaluationOptions.AllowToStringCalls;
checkShowBaseGroup.Active = !options.EvaluationOptions.FlattenHierarchy;
checkGroupPrivate.Active = options.EvaluationOptions.GroupPrivateMembers;
checkGroupStatic.Active = options.EvaluationOptions.GroupStaticMembers;
checkToString.Sensitive = checkAllowEval.Active;
spinTimeout.Value = options.EvaluationOptions.EvaluationTimeout;
// Debugger priorities
engineStore = new Gtk.ListStore(typeof(string), typeof(string));
engineList.Model = engineStore;
engineList.AppendColumn("", new Gtk.CellRendererText(), "text", 1);
foreach (DebuggerEngine engine in DebuggingService.GetDebuggerEngines())
{
engineStore.AppendValues(engine.Id, engine.Name);
}
UpdatePriorityButtons();
engineList.Selection.Changed += HandleEngineListSelectionChanged;
}
void UpdateSelectedException(ExceptionInfo ex)
{
selected = ex;
var model = (ListStore)StackTraceTreeView.Model;
bool external = false;
model.Clear();
var parentException = ex;
while (parentException != null)
{
foreach (var frame in parentException.StackTrace)
{
bool isUserCode = IsUserCode(frame);
if (OnlyShowMyCodeCheckbox.Active && !isUserCode)
{
if (!external)
{
var str = "<b>" + GettextCatalog.GetString("[External Code]") + "</b>";
model.AppendValues(null, str, false);
external = true;
}
continue;
}
model.AppendValues(frame, null, isUserCode);
external = false;
}
if (!ReverseInnerExceptions.TryGetValue(parentException, out parentException))
{
parentException = null;
}
}
ExceptionValueTreeView.ClearAll();
if (!ex.IsEvaluating && ex.Instance != null)
{
var opts = DebuggingService.GetUserOptions().EvaluationOptions.Clone();
opts.FlattenHierarchy = true;
ExceptionValueTreeView.AddValues(ex.Instance.GetAllChildren(opts));
}
if (ex.StackIsEvaluating)
{
var str = GettextCatalog.GetString("Loading...");
model.AppendValues(null, str, false);
}
if (InnerExceptionTypeLabel != null)
{
InnerExceptionTypeLabel.Markup = "<b>" + GLib.Markup.EscapeText(ex.Type) + "</b>";
InnerExceptionMessageLabel.Text = ex.Message;
}
}
public DebuggerOptionsPanelWidget()
{
Build();
options = DebuggingService.GetUserOptions();
checkProjectCodeOnly.Active = options.ProjectAssembliesOnly;
checkStepOverPropertiesAndOperators.Active = options.StepOverPropertiesAndOperators;
checkAllowEval.Active = options.EvaluationOptions.AllowTargetInvoke;
checkAllowToString.Active = options.EvaluationOptions.AllowToStringCalls;
checkShowBaseGroup.Active = !options.EvaluationOptions.FlattenHierarchy;
checkGroupPrivate.Active = options.EvaluationOptions.GroupPrivateMembers;
checkGroupStatic.Active = options.EvaluationOptions.GroupStaticMembers;
checkAllowToString.Sensitive = checkAllowEval.Active;
spinTimeout.Value = options.EvaluationOptions.EvaluationTimeout;
}
void Build()
{
Title = GettextCatalog.GetString("Exception Caught");
DefaultHeight = 500;
DefaultWidth = 600;
VBox.Spacing = 0;
VBox.PackStart(CreateExceptionHeader(), false, true, 0);
var paned = new VPaned();
paned.Add1(CreateExceptionValueTreeView());
paned.Add2(CreateStackTraceTreeView());
paned.Show();
var vbox = new VBox(false, 0);
vbox.PackStart(CreateSeparator(), false, true, 0);
vbox.PackStart(paned, true, true, 0);
vbox.PackStart(CreateSeparator(), false, true, 0);
vbox.Show();
VBox.PackStart(vbox, true, true, 0);
var actionArea = new HBox(false, 12)
{
BorderWidth = 6
};
OnlyShowMyCodeCheckbox = new CheckButton(GettextCatalog.GetString("_Only show my code."));
OnlyShowMyCodeCheckbox.Toggled += OnlyShowMyCodeToggled;
OnlyShowMyCodeCheckbox.Show();
OnlyShowMyCodeCheckbox.Active = DebuggingService.GetUserOptions().ProjectAssembliesOnly;
var alignment = new Alignment(0.0f, 0.5f, 0.0f, 0.0f)
{
Child = OnlyShowMyCodeCheckbox
};
alignment.Show();
actionArea.PackStart(alignment, true, true, 0);
actionArea.PackStart(CreateButtonBox(), false, true, 0);
actionArea.Show();
VBox.PackStart(actionArea, false, true, 0);
ActionArea.Hide();
}
static EvaluationOptions GetEvaluationOptions(bool membersPrint)
{
var ops = DebuggingService.GetUserOptions().EvaluationOptions;
if (!membersPrint)
{
ops.AllowMethodEvaluation = true;
ops.AllowToStringCalls = true;
ops.AllowTargetInvoke = true;
}
ops.EvaluationTimeout = 20000;
ops.EllipsizeStrings = false;
ops.MemberEvaluationTimeout = 20000;
ops.GroupPrivateMembers = false;
return(ops);
}
public DebuggerOptionsPanelWidget()
{
Build();
options = DebuggingService.GetUserOptions();
checkStepIntoExternalCode.Active = !options.ProjectAssembliesOnly;
comboAutomaticSourceDownload.SelectedItem = PropertyService.Get("MonoDevelop.Debugger.DebuggingService.AutomaticSourceDownload", AutomaticSourceDownload.Ask);
checkStepOverPropertiesAndOperators.Active = options.StepOverPropertiesAndOperators;
checkAllowEval.Active = options.EvaluationOptions.AllowTargetInvoke;
checkAllowToString.Active = options.EvaluationOptions.AllowToStringCalls;
checkShowBaseGroup.Active = !options.EvaluationOptions.FlattenHierarchy;
checkGroupPrivate.Active = options.EvaluationOptions.GroupPrivateMembers;
checkGroupStatic.Active = options.EvaluationOptions.GroupStaticMembers;
checkAllowToString.Sensitive = checkAllowEval.Active;
spinTimeout.Value = options.EvaluationOptions.EvaluationTimeout;
enableLogging.Active = PropertyService.Get("MonoDevelop.Debugger.DebuggingService.DebuggerLogging", false);
useNewTreeView.Active = PropertyService.Get("MonoDevelop.Debugger.UseNewTreeView", true);
}
void ActivateFrame()
{
var selected = tree.Selection.GetSelectedRows();
TreeIter iter;
if (selected.Length > 0 && store.GetIter(out iter, selected [0]))
{
var frameIndex = (int)store.GetValue(iter, FrameIndexColumn);
if (frameIndex == -1)
{
var opts = DebuggingService.GetUserOptions();
opts.EvaluationOptions.StackFrameFormat.ExternalCode = true;
DebuggingService.SetUserOptions(opts);
UpdateDisplay();
return;
}
DebuggingService.CurrentFrameIndex = frameIndex;
}
}
async void OnFrameChanged(object s, EventArgs a)
{
if (changingFrame)
{
return;
}
changingFrame = true;
try {
if (disassemblyDoc != null && DebuggingService.IsFeatureSupported(DebuggerFeatures.Disassembly))
{
disassemblyView.Update();
}
var frame = DebuggingService.CurrentFrame;
if (frame == null)
{
return;
}
var debuggerOptions = DebuggingService.GetUserOptions();
FilePath file = frame.SourceLocation.FileName;
int line = frame.SourceLocation.Line;
if (line != -1)
{
if (!file.IsNullOrEmpty && File.Exists(file))
{
var doc = await IdeApp.Workbench.OpenDocument(file, null, line, 1, OpenDocumentOptions.Debugger);
if (doc != null)
{
return;
}
}
if (frame.SourceLocation.FileHash != null)
{
var newFilePath = SourceCodeLookup.FindSourceFile(file, frame.SourceLocation.FileHash);
if (newFilePath != null && File.Exists(newFilePath))
{
frame.UpdateSourceFile(newFilePath);
var doc = await IdeApp.Workbench.OpenDocument(newFilePath, null, line, 1, OpenDocumentOptions.Debugger);
if (doc != null)
{
return;
}
}
}
var automaticSourceDownload = debuggerOptions.AutomaticSourceLinkDownload;
var sourceLink = frame.SourceLocation.SourceLink;
if (sourceLink != null && automaticSourceDownload != AutomaticSourceDownload.Never)
{
var downloadLocation = sourceLink.GetDownloadLocation(symbolCachePath);
Document doc = null;
// ~/Library/Caches/VisualStudio/8.0/Symbols/org/projectname/git-sha/path/to/file.cs
if (!File.Exists(downloadLocation))
{
if (automaticSourceDownload == AutomaticSourceDownload.Always)
{
doc = await NoSourceView.DownloadAndOpenAsync(frame);
}
}
else
{
// The file has previously been downloaded for a different solution.
// We need to map the cached location
frame.UpdateSourceFile(downloadLocation);
doc = await IdeApp.Workbench.OpenDocument(downloadLocation, null, line, 1, OpenDocumentOptions.Debugger);
}
if (doc != null)
{
return;
}
}
}
bool disassemblySupported = !string.IsNullOrEmpty(frame.AddressSpace) &&
DebuggingService.CurrentSessionSupportsFeature(DebuggerFeatures.Disassembly);
if (!disassemblySupported && disassemblyDoc != null)
{
disassemblyDoc.Close().Ignore();
disassemblyDoc = null;
disassemblyView = null;
}
// If disassembly is open don't show NoSourceView
if (disassemblyDoc == null)
{
if (noSourceDoc == null)
{
noSourceView = new NoSourceView();
noSourceView.Update(debuggerOptions, frame, disassemblySupported);
noSourceDoc = await IdeApp.Workbench.OpenDocument(noSourceView, true);
noSourceDoc.Closed += delegate {
noSourceDoc = null;
noSourceView = null;
};
}
else
{
noSourceView.Update(debuggerOptions, frame, disassemblySupported);
noSourceDoc.Select();
}
}
else
{
disassemblyDoc.Select();
}
} finally {
changingFrame = false;
}
}
void Build()
{
Title = GettextCatalog.GetString("Exception Caught");
DefaultWidth = 500;
DefaultHeight = 500;
HeightRequest = 350;
WidthRequest = 350;
VBox.Foreach(VBox.Remove);
VBox.PackStart(CreateExceptionHeader(), false, true, 0);
paned = new VPanedThin();
paned.GrabAreaSize = 10;
paned.Pack1(CreateStackTraceTreeView(), true, false);
paned.Pack2(CreateExceptionValueTreeView(), true, false);
paned.Show();
var vbox = new VBox(false, 0);
var whiteBackground = new EventBox();
whiteBackground.Show();
whiteBackground.ModifyBg(StateType.Normal, Ide.Gui.Styles.PrimaryBackgroundColor.ToGdkColor());
whiteBackground.Add(vbox);
hadInnerException = HasInnerException();
if (hadInnerException)
{
vbox.PackStart(new VBox(), false, false, 6);
vbox.PackStart(CreateInnerExceptionMessage(), false, true, 0);
vbox.ShowAll();
}
vbox.PackStart(paned, true, true, 0);
vbox.Show();
if (hadInnerException)
{
var box = new HBox();
box.PackStart(CreateInnerExceptionsTree(), false, false, 0);
box.PackStart(whiteBackground, true, true, 0);
box.Show();
VBox.PackStart(box, true, true, 0);
DefaultWidth = 900;
DefaultHeight = 700;
WidthRequest = 550;
HeightRequest = 450;
}
else
{
VBox.PackStart(whiteBackground, true, true, 0);
}
var actionArea = new HBox(false, 0)
{
BorderWidth = 14
};
OnlyShowMyCodeCheckbox = new CheckButton(GettextCatalog.GetString("_Only show my code."));
OnlyShowMyCodeCheckbox.Toggled += OnlyShowMyCodeToggled;
OnlyShowMyCodeCheckbox.Show();
OnlyShowMyCodeCheckbox.Active = DebuggingService.GetUserOptions().ProjectAssembliesOnly;
var alignment = new Alignment(0.0f, 0.5f, 0.0f, 0.0f)
{
Child = OnlyShowMyCodeCheckbox
};
alignment.Show();
actionArea.PackStart(alignment, true, true, 0);
actionArea.PackStart(CreateButtonBox(), false, true, 0);
actionArea.PackStart(new VBox(), false, true, 3); // dummy just to take extra 6px at end to make it 20pixels
actionArea.ShowAll();
VBox.PackStart(actionArea, false, true, 0);
}
async void OnFrameChanged(object s, EventArgs a)
{
if (changingFrame)
{
return;
}
try {
changingFrame = true;
if (disassemblyDoc != null && DebuggingService.IsFeatureSupported(DebuggerFeatures.Disassembly))
{
disassemblyView.Update();
}
var frame = DebuggingService.CurrentFrame;
if (frame == null)
{
return;
}
FilePath file = frame.SourceLocation.FileName;
int line = frame.SourceLocation.Line;
if (line != -1)
{
if (!file.IsNullOrEmpty && File.Exists(file))
{
var doc = await IdeApp.Workbench.OpenDocument(file, null, line, 1, OpenDocumentOptions.Debugger);
if (doc != null)
{
return;
}
}
bool alternateLocationExists = false;
if (frame.SourceLocation.FileHash != null)
{
var newFilePath = SourceCodeLookup.FindSourceFile(file, frame.SourceLocation.FileHash);
if (newFilePath != null && File.Exists(newFilePath))
{
frame.UpdateSourceFile(newFilePath);
var doc = await IdeApp.Workbench.OpenDocument(newFilePath, null, line, 1, OpenDocumentOptions.Debugger);
if (doc != null)
{
return;
}
}
}
var debuggerOptions = DebuggingService.GetUserOptions();
var automaticSourceDownload = debuggerOptions.AutomaticSourceLinkDownload;
var sourceLink = frame.SourceLocation.SourceLink;
if (sourceLink != null && automaticSourceDownload != AutomaticSourceDownload.Never)
{
var downloadLocation = sourceLink.GetDownloadLocation(symbolCachePath);
Document doc = null;
// ~/Library/Caches/VisualStudio/8.0/Symbols/org/projectname/git-sha/path/to/file.cs
if (!File.Exists(downloadLocation))
{
if (automaticSourceDownload == AutomaticSourceDownload.Always)
{
doc = await DownloadAndOpenFileAsync(frame, line, sourceLink);
}
else
{
var hyperlink = $"<a href='{ sourceLink.Uri }'>{ Path.GetFileName (sourceLink.RelativeFilePath) }</a>";
var stackframeText = $"<b>{frame.FullStackframeText}</b>";
var text = GettextCatalog.GetString
("{0} is a call to external source code. Would you like to get '{1}' and view it?", stackframeText, hyperlink);
var message = new Ide.GenericMessage {
Text = GettextCatalog.GetString("External source code available"),
SecondaryText = text
};
message.AddOption(nameof(automaticSourceDownload), GettextCatalog.GetString("Always get source code automatically"), false);
message.Buttons.Add(AlertButton.Cancel);
message.Buttons.Add(new AlertButton(GettextCatalog.GetString("Get and Open")));
message.DefaultButton = 1;
var didNotCancel = MessageService.GenericAlert(message) != AlertButton.Cancel;
if (didNotCancel)
{
if (message.GetOptionValue(nameof(automaticSourceDownload)))
{
debuggerOptions.AutomaticSourceLinkDownload = AutomaticSourceDownload.Always;
DebuggingService.SetUserOptions(debuggerOptions);
}
doc = await DownloadAndOpenFileAsync(frame, line, sourceLink);
}
}
}
else
{
// The file has previously been downloaded for a different solution.
// We need to map the cached location
frame.UpdateSourceFile(downloadLocation);
doc = await IdeApp.Workbench.OpenDocument(downloadLocation, null, line, 1, OpenDocumentOptions.Debugger);
}
if (doc != null)
{
return;
}
}
}
bool disassemblyNotSupported = false;
// If we don't have an address space, we can't disassemble
if (string.IsNullOrEmpty(frame.AddressSpace))
{
disassemblyNotSupported = true;
}
if (!DebuggingService.CurrentSessionSupportsFeature(DebuggerFeatures.Disassembly))
{
disassemblyNotSupported = true;
}
if (disassemblyNotSupported && disassemblyDoc != null)
{
disassemblyDoc.Close().Ignore();
disassemblyDoc = null;
disassemblyView = null;
}
// If disassembly is open don't show NoSourceView
if (disassemblyDoc == null)
{
if (noSourceDoc == null)
{
noSourceView = new NoSourceView();
noSourceView.Update(disassemblyNotSupported);
noSourceDoc = await IdeApp.Workbench.OpenDocument(noSourceView, true);
noSourceDoc.Closed += delegate {
noSourceDoc = null;
noSourceView = null;
};
}
else
{
noSourceView.Update(disassemblyNotSupported);
noSourceDoc.Select();
}
}
else
{
disassemblyDoc.Select();
}
} finally {
changingFrame = false;
}
}
void UpdateSelectedException(ExceptionInfo ex)
{
selected = ex;
var model = (ListStore)stackTraceTreeView.Model;
bool external = false;
model.Clear();
var parentException = ex;
while (parentException != null)
{
foreach (var frame in parentException.StackTrace)
{
bool isUserCode = IsUserCode(frame);
if (onlyShowMyCodeCheckbox.Active && !isUserCode)
{
if (!external)
{
var str = "<b>" + GettextCatalog.GetString("[External Code]") + "</b>";
model.AppendValues(null, str, false);
external = true;
}
continue;
}
model.AppendValues(frame, null, isUserCode);
external = false;
}
if (!reverseInnerExceptions.TryGetValue(parentException, out parentException))
{
parentException = null;
}
}
if (useNewTreeView)
{
controller.ClearAll();
}
else
{
((ObjectValueTreeView)exceptionValueTreeView).ClearAll();
}
if (!ex.IsEvaluating && ex.Instance != null)
{
var opts = DebuggingService.GetUserOptions().EvaluationOptions.Clone();
opts.FlattenHierarchy = true;
var values = ex.Instance.GetAllChildren(opts);
if (useNewTreeView)
{
controller.AddValues(values);
}
else
{
((ObjectValueTreeView)exceptionValueTreeView).AddValues(values);
}
}
if (ex.StackIsEvaluating)
{
var str = GettextCatalog.GetString("Loading...");
model.AppendValues(null, str, false);
}
if (innerExceptionTypeLabel != null)
{
innerExceptionTypeLabel.Markup = "<b>" + GLib.Markup.EscapeText(ex.Type) + "</b>";
innerExceptionMessageLabel.Text = ex.Message;
if (!string.IsNullOrEmpty(ex.HelpLink))
{
innerExceptionHelpLinkButton.Label = GettextCatalog.GetString("Read More…");
innerExceptionHelpLink = ex.HelpLink;
innerExceptionHelpLinkButton.Show();
}
else
{
innerExceptionHelpLink = string.Empty;
innerExceptionHelpLinkButton.Hide();
}
}
}
void ShowPopup(Gdk.EventButton evt)
{
var context_menu = new ContextMenu();
context_menu.Items.Add(new SeparatorContextMenuItem());
var selectAllItem = new ContextMenuItem(GettextCatalog.GetString("Select All"));
selectAllItem.Clicked += delegate {
OnSelectAll();
};
context_menu.Items.Add(selectAllItem);
var copyItem = new ContextMenuItem(GettextCatalog.GetString("Copy"));
copyItem.Clicked += delegate {
OnCopy();
};
context_menu.Items.Add(copyItem);
context_menu.Items.Add(new SeparatorContextMenuItem());
var showExternalCodeCheckbox = new CheckBoxContextMenuItem(GettextCatalog.GetString("Show External Code"));
showExternalCodeCheckbox.Clicked += delegate {
var opts = DebuggingService.GetUserOptions();
opts.EvaluationOptions.StackFrameFormat.ExternalCode = showExternalCodeCheckbox.Checked = !GetExternalCodeValue(opts);
DebuggingService.SetUserOptions(opts);
UpdateDisplay();
};
var userOptions = DebuggingService.GetUserOptions();
var frameOptions = userOptions.EvaluationOptions.StackFrameFormat;
showExternalCodeCheckbox.Checked = GetExternalCodeValue(userOptions);
context_menu.Items.Add(showExternalCodeCheckbox);
context_menu.Items.Add(new SeparatorContextMenuItem());
var assemblyCheckbox = new CheckBoxContextMenuItem(GettextCatalog.GetString("Show Module Name"));
assemblyCheckbox.Clicked += delegate {
var opts = DebuggingService.GetUserOptions();
opts.EvaluationOptions.StackFrameFormat.Module = assemblyCheckbox.Checked = !opts.EvaluationOptions.StackFrameFormat.Module;
DebuggingService.SetUserOptions(opts);
UpdateDisplay();
};
assemblyCheckbox.Checked = frameOptions.Module;
context_menu.Items.Add(assemblyCheckbox);
var typeCheckbox = new CheckBoxContextMenuItem(GettextCatalog.GetString("Show Parameter Type"));
typeCheckbox.Clicked += delegate {
var opts = DebuggingService.GetUserOptions();
opts.EvaluationOptions.StackFrameFormat.ParameterTypes = typeCheckbox.Checked = !opts.EvaluationOptions.StackFrameFormat.ParameterTypes;
DebuggingService.SetUserOptions(opts);
UpdateDisplay();
};
typeCheckbox.Checked = frameOptions.ParameterTypes;
context_menu.Items.Add(typeCheckbox);
var nameCheckbox = new CheckBoxContextMenuItem(GettextCatalog.GetString("Show Parameter Name"));
nameCheckbox.Clicked += delegate {
var opts = DebuggingService.GetUserOptions();
opts.EvaluationOptions.StackFrameFormat.ParameterNames = nameCheckbox.Checked = !opts.EvaluationOptions.StackFrameFormat.ParameterNames;
DebuggingService.SetUserOptions(opts);
UpdateDisplay();
};
nameCheckbox.Checked = frameOptions.ParameterNames;
context_menu.Items.Add(nameCheckbox);
var valueCheckbox = new CheckBoxContextMenuItem(GettextCatalog.GetString("Show Parameter Value"));
valueCheckbox.Clicked += delegate {
var opts = DebuggingService.GetUserOptions();
opts.EvaluationOptions.StackFrameFormat.ParameterValues = valueCheckbox.Checked = !opts.EvaluationOptions.StackFrameFormat.ParameterValues;
DebuggingService.SetUserOptions(opts);
UpdateDisplay();
};
valueCheckbox.Checked = frameOptions.ParameterValues;
context_menu.Items.Add(valueCheckbox);
var lineCheckbox = new CheckBoxContextMenuItem(GettextCatalog.GetString("Show Line Number"));
lineCheckbox.Clicked += delegate {
var opts = DebuggingService.GetUserOptions();
opts.EvaluationOptions.StackFrameFormat.Line = lineCheckbox.Checked = !opts.EvaluationOptions.StackFrameFormat.Line;
DebuggingService.SetUserOptions(opts);
UpdateDisplay();
};
lineCheckbox.Checked = frameOptions.Line;
context_menu.Items.Add(lineCheckbox);
context_menu.Items.Add(new SeparatorContextMenuItem());
var columnsVisibilitySubMenu = new ContextMenu();
var nameColumnVisibilityCheckbox = new CheckBoxContextMenuItem(GettextCatalog.GetString("Name"));
nameColumnVisibilityCheckbox.Clicked += delegate {
nameColumnVisibilityCheckbox.Checked = tree.Columns [MethodColumn].Visible = !tree.Columns [MethodColumn].Visible;
StoreColumnsVisibility();
};
nameColumnVisibilityCheckbox.Checked = tree.Columns [MethodColumn].Visible;
columnsVisibilitySubMenu.Items.Add(nameColumnVisibilityCheckbox);
var fileColumnVisibilityCheckbox = new CheckBoxContextMenuItem(GettextCatalog.GetString("File"));
fileColumnVisibilityCheckbox.Clicked += delegate {
fileColumnVisibilityCheckbox.Checked = tree.Columns [FileColumn].Visible = !tree.Columns [FileColumn].Visible;
StoreColumnsVisibility();
};
fileColumnVisibilityCheckbox.Checked = tree.Columns [FileColumn].Visible;
columnsVisibilitySubMenu.Items.Add(fileColumnVisibilityCheckbox);
var languageColumnVisibilityCheckbox = new CheckBoxContextMenuItem(GettextCatalog.GetString("Language"));
languageColumnVisibilityCheckbox.Clicked += delegate {
languageColumnVisibilityCheckbox.Checked = tree.Columns [LangColumn].Visible = !tree.Columns [LangColumn].Visible;
StoreColumnsVisibility();
};
languageColumnVisibilityCheckbox.Checked = tree.Columns [LangColumn].Visible;
columnsVisibilitySubMenu.Items.Add(languageColumnVisibilityCheckbox);
var addressColumnVisibilityCheckbox = new CheckBoxContextMenuItem(GettextCatalog.GetString("Address"));
addressColumnVisibilityCheckbox.Clicked += delegate {
addressColumnVisibilityCheckbox.Checked = tree.Columns [AddrColumn].Visible = !tree.Columns [AddrColumn].Visible;
StoreColumnsVisibility();
};
addressColumnVisibilityCheckbox.Checked = tree.Columns [AddrColumn].Visible;
columnsVisibilitySubMenu.Items.Add(addressColumnVisibilityCheckbox);
context_menu.Items.Add(new ContextMenuItem(GettextCatalog.GetString("Columns"))
{
SubMenu = columnsVisibilitySubMenu
});
context_menu.Show(this, evt);
}