Dr Dat Tran - Week 1 Lecture NotesDr Dat Tran - Week 1 Lecture Notes 11

Windows FormsWindows Forms

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

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VS.NET 2005 Start PageVS.NET 2005 Start Page

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Windows ApplicationWindows Application

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Windows Application ProjectWindows Application Project

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Form PropertiesForm Properties

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Build & Debug ProjectBuild & Debug Project

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Program.cs FileProgram.cs File

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MainForm.Designer.cs FileMainForm.Designer.cs File

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Change Some PropertiesChange Some Properties

Try Try StartPositionStartPosition & & LocationLocation properties properties

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StartPosition - FormBorderStyle StartPosition - FormBorderStyle CentreParentCentreParent only for modal dialogs (to prevent only for modal dialogs (to prevent multi-monitor confusion) multi-monitor confusion) CentreScreenCentreScreen only for the main form or a splash only for the main form or a splash screen screen WindowsDefaultLocationWindowsDefaultLocation for everything else, to for everything else, to prevent windows from appearing on top of one prevent windows from appearing on top of one anotheranother

FixedDialogFixedDialog only for modal dialog boxes only for modal dialog boxes FixedSingleFixedSingle only for the main form only for the main form NoneNone for splash screen for splash screen SizableSizable for everything else, almost all forms in an for everything else, almost all forms in an application should be resizableapplication should be resizable

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Write Code in Program.csWrite Code in Program.cs

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Write Code in MainForm.Designer.csWrite Code in MainForm.Designer.cs

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Add a New FormAdd a New Form

At design timeAt design time

At run timeAt run timeDouble-click on the form to add Double-click on the form to add

the Load event handler and the Load event handler and modify it as followsmodify it as follows

Try ShowDialog()Try ShowDialog()

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Example: Example: partialpartial class class public public partialpartial class MainForm : Form class MainForm : Form {{ public MainForm() {public MainForm() { InitializeComponent();InitializeComponent(); }} private void MainForm_Load(object sender, EventArgs e) { private void MainForm_Load(object sender, EventArgs e) {

f2.ShowDialog();f2.ShowDialog(); }} }} public public partialpartial class MainForm : Form class MainForm : Form {{ Form f2 = new Form(); Form f2 = new Form(); }}

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Message BoxMessage Box

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Use DialogResult Use DialogResult private void MainForm_Load(object sender, EventArgs e)private void MainForm_Load(object sender, EventArgs e){{ DialogResultDialogResult ds = MessageBox.Show("Hello World", "PGUI", ds = MessageBox.Show("Hello World", "PGUI", MessageBoxButtons.YesNoCancel);MessageBoxButtons.YesNoCancel); if (ds == if (ds == DialogResult.YesDialogResult.Yes)) {{ f2.Text = "Yes";f2.Text = "Yes"; f2.ShowDialog();f2.ShowDialog(); }} if (ds == if (ds == DialogResult.NoDialogResult.No)) {{ f2.Text = "No";f2.Text = "No"; f2.ShowDialog();f2.ShowDialog(); }}}}