Fenetre transparente

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Description

Juste une petite fenetre dans laquelle vous pouvez regler la transparance.
Code sous visual studio .NET beta 2.

Source / Exemple :


using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace test_opacite
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.TrackBar trackBar1;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Label label1;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// 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.label1 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.trackBar1 = new System.Windows.Forms.TrackBar();
			((System.ComponentModel.ISupportInitialize)(this.trackBar1)).BeginInit();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(32, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(88, 16);
			this.label1.TabIndex = 3;
			this.label1.Text = "Opacité :";
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(24, 40);
			this.textBox1.Name = "textBox1";
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "100 %";
			// 
			// button1
			// 
			this.button1.Anchor = (System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right);
			this.button1.Location = new System.Drawing.Point(288, 24);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(75, 32);
			this.button1.TabIndex = 2;
			this.button1.Text = "Quitter";
			this.button1.Click += new System.EventHandler(this.Quitter);
			// 
			// trackBar1
			// 
			this.trackBar1.Dock = System.Windows.Forms.DockStyle.Bottom;
			this.trackBar1.LargeChange = 10;
			this.trackBar1.Location = new System.Drawing.Point(0, 73);
			this.trackBar1.Maximum = 100;
			this.trackBar1.Minimum = 5;
			this.trackBar1.Name = "trackBar1";
			this.trackBar1.Size = new System.Drawing.Size(368, 45);
			this.trackBar1.SmallChange = 5;
			this.trackBar1.TabIndex = 0;
			this.trackBar1.TickFrequency = 5;
			this.trackBar1.Value = 100;
			this.trackBar1.Scroll += new System.EventHandler(this.RegleOpacite);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(368, 118);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.label1,
																		  this.button1,
																		  this.textBox1,
																		  this.trackBar1});
			this.Name = "Form1";
			this.Text = "Form1";
			((System.ComponentModel.ISupportInitialize)(this.trackBar1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		void RegleOpacite(object ob,System.EventArgs ev)
//Fonction reglant la transparance
		{
			this.Opacity = ((double)this.trackBar1.Value)/100.0;
			this.textBox1.Text = this.trackBar1.Value.ToString();
		}

		void Quitter(object ob,System.EventArgs ev)
		{
			Application.Exit();
		}
	}
}

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Commentaire

cs_Hadrien64
Messages postés
8
Date d'inscription
mercredi 29 janvier 2003
Statut
Membre
Dernière intervention
27 juillet 2003
-
pssss transparente !

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