Removes the tool specified by pWnd and nIDTool from the collection of tools supported by a tool tip control.
void DelTool(
   CWnd* pWnd,
   UINT_PTR nIDTool = 0 
);
Parameters
- pWnd 
 Pointer to the window that contains the tool.
- nIDTool 
 ID of the tool.
Requirements
Header: afxcmn.h