/* User Interfaces in C#: Windows Forms and Custom Controls by Matthew MacDonald Publisher: Apress ISBN: 1590590457 */ using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Drawing.Text; namespace DataBinding101 { /// <summary> /// Summary description for BindingUnusualProperties. /// </summary> public class BindingUnusualProperties : System.Windows.Forms.Form { internal System.Windows.Forms.Label Label2; internal System.Windows.Forms.Label Label1; internal System.Windows.Forms.ListBox lstFonts; internal System.Windows.Forms.Label lblSampleText; internal System.Windows.Forms.ListBox lstColors; /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; public BindingUnusualProperties() { // // Required for Windows Form Designer support // InitializeComponent(); // // TODO: Add any constructor code after InitializeComponent call // } /// <summary> /// Clean up any resources being used. /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if(components != null) { components.Dispose(); } } base.Dispose( disposing ); } #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { this.Label2 = new System.Windows.Forms.Label(); this.Label1 = new System.Windows.Forms.Label(); this.lstFonts = new System.Windows.Forms.ListBox(); this.lblSampleText = new System.Windows.Forms.Label(); this.lstColors = new System.Windows.Forms.ListBox(); this.SuspendLayout(); // // Label2 // this.Label2.Location = new System.Drawing.Point(210, 13); this.Label2.Name = "Label2"; this.Label2.Size = new System.Drawing.Size(140, 12); this.Label2.TabIndex = 9; this.Label2.Text = "Choose a Font:"; // // Label1 // this.Label1.Location = new System.Drawing.Point(14, 13); this.Label1.Name = "Label1"; this.Label1.Size = new System.Drawing.Size(140, 12); this.Label1.TabIndex = 8; this.Label1.Text = "Choose a Color:"; // // lstFonts // this.lstFonts.Location = new System.Drawing.Point(210, 29); this.lstFonts.Name = "lstFonts"; this.lstFonts.Size = new System.Drawing.Size(180, 134); this.lstFonts.TabIndex = 7; // // lblSampleText // this.lblSampleText.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right); this.lblSampleText.Location = new System.Drawing.Point(18, 185); this.lblSampleText.Name = "lblSampleText"; this.lblSampleText.Size = new System.Drawing.Size(372, 96); this.lblSampleText.TabIndex = 6; this.lblSampleText.Text = "Click an item in one of the lists above to change the font or color of this text." + " Once the initial conditions are set up (i.e., the binding), this operation happ" + "ens automatically."; // // lstColors // this.lstColors.Location = new System.Drawing.Point(14, 29); this.lstColors.Name = "lstColors"; this.lstColors.Size = new System.Drawing.Size(176, 134); this.lstColors.TabIndex = 5; // // BindingUnusualProperties // this.AutoScaleBaseSize = new System.Drawing.Size(5, 14); this.ClientSize = new System.Drawing.Size(404, 294); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.Label2, this.Label1, this.lstFonts, this.lblSampleText, this.lstColors}); this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.Name = "BindingUnusualProperties"; this.Text = "Binding Unusual Properties"; this.Load += new System.EventHandler(this.BindingUnusualProperties_Load); this.ResumeLayout(false); } #endregion private void BindingUnusualProperties_Load(object sender, System.EventArgs e) { // These are our final data sources: two ArrayList objects. ArrayList fontObjList = new ArrayList(); ArrayList colorObjList = new ArrayList(); // The InstalledFonts collection allows us to enumerate installed fonts. // Each FontFamily needs to be converted to a genuine Font object // before it is suitable for data binding to the Control.Font property. InstalledFontCollection InstalledFonts = new InstalledFontCollection(); foreach (FontFamily family in InstalledFonts.Families) { try { fontObjList.Add(new Font(family, 12)); } catch { // We end up here if the font could not be created // with the default style. } } // In order to retrieve the list of colors, we need to first retrieve // the strings for the KnownColor enumeration, and then convert each one // into a suitable color object. string[] colorNames; colorNames = System.Enum.GetNames(typeof(KnownColor)); TypeConverter cnvrt = TypeDescriptor.GetConverter(typeof(KnownColor)); foreach (string colorName in colorNames) { colorObjList.Add(Color.FromKnownColor((KnownColor)cnvrt.ConvertFromString(colorName))); } // We can now bind both our list controls. lstColors.DataSource = colorObjList; lstColors.DisplayMember = "Name"; lstFonts.DataSource = fontObjList; lstFonts.DisplayMember = "Name"; // The label is bound to both data sources. lblSampleText.DataBindings.Add("ForeColor", colorObjList, ""); lblSampleText.DataBindings.Add("Font", fontObjList, ""); } [STAThread] static void Main() { Application.Run(new BindingUnusualProperties()); } } }