WinForm Information Management System Graphic Example

Finish the effect:

Explain:

The main window is an MDI window, the window has child windows, the control in the child window has a tree chart TreeView, a Panel control, a ListView control (which is a ListView in a window), and a Butten control.

Function:

Click the "Employee Management" Panel in the tree chart to display the ListView data

Other features are temporarily not written ...

Main Window Form1

Form properties:

Ismdicontainer=true;

Window can have only one parent window, child windows can no longer be set by ismdicontainer=true, parent window (no nesting allowed)

Background code:

         Form1_Load (              form1_son son =  //Child window object

Son. Text =  son. MdiParent =  son. Dock =       }

Subform: Form1_son

Background code:

Form1_son_panel fpanel=      treeview1_afterselect (   treeView1.SelectedNode.Text = =   Fpanel. TopLevel =; Fpanel. FormBorderStyle = Formborderstyle.none;  Fpanel.parent=this.panel1; (same as 10 lines function)

Fpanel. Show ();   } }

Explain:

TopLevel Property "True/false"

trueto display the form as a top-level window, otherwise false. The default value is true. "Top-level window: no parent window or main window"

Grandson form: Form1_son_panel

Grandson Properties: Formborderstyle=none "Keep content only, borders, etc."

Background code:

1 public static Form1_son_panel FPANEL;//2 3 public Form1_son_panel () 4 {5 InitializeComponent (); 6 7 fpanel= this;//Note 8}