Introduction - If you have any usage issues, please Google them yourself
VB6.0 to achieve simultaneously open multiple files in multiple windows to display the contents of a file, directory and file name of the file tree group FileNames store division after setting CommonDialog1 control properties, display the Open dialog box, in the VB source code of FileName property CommonDialog1 add a space after the value set for the FileName attribute values i space location space as the FileName property to divide signs into parts store to FileNames array, if only selects a file to display the file directly to Form1 If you choose contents of a number of documents such as 3, then create three instances of Form2 form in which to display open files