As we all know that the regular listbox that you drag and drop from the control toolbar in the Visual studio 6 just accepts text. But I made three extra features in my listbox which are: accept graphic icons (.ico) files beside the text. You

一个带有checkbox的tree control!\"Checkboxes in a tree control\" shows how to add normal and three-state checkboxes to a tree control, and how to get notified when the checkbox changes. The sample project uses MFC, but the technique can easily be adapted t

用VB实现的Client,实现S7—PLC和计算机通信,遵照OPC协议实现(Using VB to achieve the Client, the realization of S7 - PLC and computer communication, according to the OPC protocol implementation)