I have a Windows Form that originally inherited from Form. I changed it to inherit from ToolWindow (for use in DockLayoutManager). After the change, the Timer event does not fire any more. I have a text input field in the form. The caret in the text input field has stopped blinking. I suppose that's another symptom of timer not working. Has ...

Iam getting exception while dragging the DocklayoutManager to winform,please suggest me why it is giving.

I would like to remove floating window from DockLayoutManager in the event of Tool Window's closed i.e . var window = new ToolWindow(spy, id);window.Closed += window_Closed;  void window_Closed(object sender, EventArgs e){            ToolWindow window = (ToolWindow) ...