/* 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; namespace TransparentForms { /// <summary> /// Summary description for Form2. /// </summary> public class Transparent : System.Windows.Forms.Form { internal System.Windows.Forms.GroupBox GroupBox1; internal System.Windows.Forms.Button cmdApply; internal System.Windows.Forms.NumericUpDown udOpacity; internal System.Windows.Forms.Label Label1; /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; public Transparent() { // // 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.GroupBox1 = new System.Windows.Forms.GroupBox(); this.cmdApply = new System.Windows.Forms.Button(); this.udOpacity = new System.Windows.Forms.NumericUpDown(); this.Label1 = new System.Windows.Forms.Label(); this.GroupBox1.SuspendLayout(); ((System.ComponentModel.ISupportInitialize)(this.udOpacity)).BeginInit(); this.SuspendLayout(); // // GroupBox1 // this.GroupBox1.Controls.AddRange(new System.Windows.Forms.Control[] { this.cmdApply, this.udOpacity, this.Label1}); this.GroupBox1.Location = new System.Drawing.Point(12, 75); this.GroupBox1.Name = "GroupBox1"; this.GroupBox1.Size = new System.Drawing.Size(268, 116); this.GroupBox1.TabIndex = 4; this.GroupBox1.TabStop = false; // // cmdApply // this.cmdApply.Location = new System.Drawing.Point(172, 64); this.cmdApply.Name = "cmdApply"; this.cmdApply.Size = new System.Drawing.Size(80, 24); this.cmdApply.TabIndex = 5; this.cmdApply.Text = "Apply"; this.cmdApply.Click += new System.EventHandler(this.cmdApply_Click); // // udOpacity // this.udOpacity.Increment = new System.Decimal(new int[] { 5, 0, 0, 0}); this.udOpacity.Location = new System.Drawing.Point(88, 32); this.udOpacity.Name = "udOpacity"; this.udOpacity.Size = new System.Drawing.Size(48, 21); this.udOpacity.TabIndex = 4; this.udOpacity.Value = new System.Decimal(new int[] { 50, 0, 0, 0}); // // Label1 // this.Label1.Location = new System.Drawing.Point(20, 36); this.Label1.Name = "Label1"; this.Label1.Size = new System.Drawing.Size(56, 16); this.Label1.TabIndex = 3; this.Label1.Text = "Opacity:"; // // Form2 // this.AutoScaleBaseSize = new System.Drawing.Size(5, 14); this.ClientSize = new System.Drawing.Size(292, 266); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.GroupBox1}); this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.Name = "Form2"; this.Text = "A Transparent Form"; this.GroupBox1.ResumeLayout(false); ((System.ComponentModel.ISupportInitialize)(this.udOpacity)).EndInit(); this.ResumeLayout(false); } #endregion private void cmdApply_Click(object sender, System.EventArgs e) { this.Opacity = (double)udOpacity.Value / 100; } [STAThread] static void Main() { Application.Run(new Transparent()); } } }