Transparent Forms
/*
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());
}
}
}
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