Dr Dat Tran - Week 4 Lecture Notes 1 MenuStrip Programming Graphical User Interfaces PG (7110) University of Canberra School of Information Sciences &

Dr Dat Tran - Week 4 Lecture NotesDr Dat Tran - Week 4 Lecture Notes 11

MenuStripMenuStrip

Programming Graphical User Interfaces PG (7110)Programming Graphical User Interfaces PG (7110)

University of CanberraUniversity of CanberraSchool of Information Sciences & EngineeringSchool of Information Sciences & Engineering


MenuStripMenuStripThe MenuStrip control is new to VS.NET 2005.The MenuStrip control is new to VS.NET 2005.Use the MenuStrip control to easily create menus Use the MenuStrip control to easily create menus like those found in Microsoft Office.like those found in Microsoft Office.The MenuStrip control supports the multiple-The MenuStrip control supports the multiple-document interface (MDI) and menu merging, tool document interface (MDI) and menu merging, tool tips, and overflow. tips, and overflow. You can enhance the usability and readability of You can enhance the usability and readability of your menus by adding access keys, shortcut keys, your menus by adding access keys, shortcut keys, check marks, images, and separator bars.check marks, images, and separator bars.The MenuStrip control replaces and adds The MenuStrip control replaces and adds functionality to the MainMenu controlfunctionality to the MainMenu control


A Simple Text Editor A Simple Text Editor

We use an MDI form and a MenuStrip control We use an MDI form and a MenuStrip control to build a simple text editor.to build a simple text editor.The MenuStrip control contains standard The MenuStrip control contains standard menu items such as File, Edit, Tools, and menu items such as File, Edit, Tools, and Help, and sub-menu items such as New, Help, and sub-menu items such as New, Open, Save, Cut, Copy, Paste, Undo, Redo, Open, Save, Cut, Copy, Paste, Undo, Redo, and Printand PrintImplementation code is also added to Implementation code is also added to implement some standard itemsimplement some standard items


1. Add MenuStrip to Form1. Add MenuStrip to Form

drag & dropdrag & drop

rename itrename it


2. Insert Standard Items2. Insert Standard Items

click click

click click


2. Some Properties2. Some Properties


3. Change Render Mode3. Change Render Mode

click click


4. Create Event Handlers4. Create Event Handlers

double-clickdouble-click


5. Change the Form to MDI Form5. Change the Form to MDI Form


6. Add Implementation Code 6. Add Implementation Code

int count;int count;Form mdiChild;Form mdiChild;TextBox editTextBox;TextBox editTextBox;

public public MainFormMainForm()(){{ InitializeComponent();InitializeComponent(); count = 1;count = 1;}}


7. The New Item 7. The New Item private void private void newnewToolStripButton_Click(object ToolStripButton_Click(object sender, EventArgs e)sender, EventArgs e)

{{ mdiChild = new Form();mdiChild = new Form(); mdiChild.Text = "Document"mdiChild.Text = "Document" ++

count.ToString();count.ToString(); mdiChild.MdiParent = this;mdiChild.MdiParent = this; editTextBox = new TextBox();editTextBox = new TextBox(); editTextBox.Multiline = true;editTextBox.Multiline = true; editTextBox.Dock = DockStyle.editTextBox.Dock = DockStyle.FillFill;; mdiChild.Controls.Add(editTextBox);mdiChild.Controls.Add(editTextBox); mdiChild.Show();mdiChild.Show(); count++;count++;}}


8. Test the New Item 8. Test the New Item

click click

editTextBox.Dock = editTextBox.Dock = DockStyle.Fill;DockStyle.Fill;


9. The Cut Item 9. The Cut Item private void cutToolStripButton_Click(

object sender, EventArgs e){ Form activeChildForm =

this.ActiveMdiChild;

if (activeChildForm != null) { TextBox activeTextBox = (TextBox)

activeChildForm.ActiveControl; if (activeTextBox != null) activeTextBox.Cut(); }}


10. The Copy Item 10. The Copy Item private void copyToolStripButton_Click(




activeChildForm.ActiveControl; if (activeTextBox != null) activeTextBox.Copy(); }}


11. The Paste Item 11. The Paste Item private void pasteToolStripButton_Click(




activeChildForm.ActiveControl; if (activeTextBox != null) activeTextBox.Paste(); }}


12. Test the Cut, Copy and Paste Items 12. Test the Cut, Copy and Paste Items


13. The Save Item 13. The Save Item private void saveToolStripButton_Click(object sender, EventArgs e)

{ SaveFileDialog sfd =

new SaveFileDialog();

sfd.Title = "Save a Text File"; sfd.Filter = "Text File (*.txt)|*.txt|All Files (*.*)|*.*";

DialogResult dr = sfd.ShowDialog(); if (dr == DialogResult.OK) {


System.IO.StreamWriter sw = new System.IO.StreamWriter(sfd.FileName);

Form activeChildForm = this.ActiveMdiChild;


activeChildForm.ActiveControl; if (activeTextBox != null) sw.Write(activeTextBox.Text);

sw.Close(); } }}


13. The Open Item 13. The Open Item private void openToolStripButton_Click(object sender, EventArgs e)

{ OpenFileDialog ofd = new OpenFileDialog();

ofd.Title = "Open a Text File"; ofd.Filter = "Text File (*.txt)|*.txt|All Files (*.*)|*.*";

DialogResult dr = ofd.ShowDialog(); if (dr == DialogResult.OK) {


System.IO.StreamReader sr = new System.IO.StreamReader(ofd.FileName);

Form activeChildForm = this.ActiveMdiChild;


activeChildForm.ActiveControl; if (activeTextBox != null) activeTextBox.Text =

sr.ReadToEnd(); sr.Close(); } }}


14. The Undo Item 14. The Undo Item private void undoToolStripButton_Click(




activeChildForm.ActiveControl; if (activeTextBox != null) activeTextBox.Undo(); }}


Add Other Items to MenuStrip Add Other Items to MenuStrip

We can add more menu items and sub-menu We can add more menu items and sub-menu items to the MenuStrip, for exampleitems to the MenuStrip, for example


Add ImagesAdd Images(C:\Program Files\Microsoft Visual Studio 8\Common7\VS2005ImageLibrary)(C:\Program Files\Microsoft Visual Studio 8\Common7\VS2005ImageLibrary)

Add imageAdd image

Documents

Dr Dat Tran - Week 4 Lecture Notes 1 MenuStrip Programming Graphical User Interfaces PG (7110) University of Canberra School of Information Sciences &