A user control resembling a combobox. When the dropdown button is clicked, a browse through a folder treeview to select a directory is displayed. Uses the SHBrowseForFolder function, amongst other APIs. A call back procedure is implemented showing t

运行后显示要求输入密码对话框的单文档程序，客户区显示一副位图，可以根据需要自己设定密码。-After the show requires a password to run a single document, the dialog box procedure, the client area display a bitmap, you can set a password for their needs.