в 15:31, 26 мая 2010

2010-05-26T15:31:18Z

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==ProgressBar Host==

<source lang="csharp">
/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System.Drawing;
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace ProgressBarHost
{
/// <summary>
/// Summary description for ProgressBarHost.
/// </summary>
public class ProgressBarHost : System.Windows.Forms.Form
{
internal System.Windows.Forms.Timer tmrIncrementBar;
private System.Windows.Forms.Button cmdStart;
private Progress status;
private System.ruponentModel.IContainer components;
public ProgressBarHost()
{
//
// 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.ruponents = new System.ruponentModel.Container();
this.status = new Progress();
this.tmrIncrementBar = new System.Windows.Forms.Timer(this.ruponents);
this.cmdStart = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// status
//
this.status.Location = new System.Drawing.Point(12, 8);
this.status.Name = "status";
this.status.Size = new System.Drawing.Size(272, 88);
this.status.TabIndex = 0;
//
// tmrIncrementBar
//
this.tmrIncrementBar.Interval = 1000;
this.tmrIncrementBar.Tick += new System.EventHandler(this.tmrIncrementBar_Tick);
//
// cmdStart
//
this.cmdStart.Location = new System.Drawing.Point(88, 152);
this.cmdStart.Name = "cmdStart";
this.cmdStart.Size = new System.Drawing.Size(92, 24);
this.cmdStart.TabIndex = 1;
this.cmdStart.Text = "Start";
this.cmdStart.Click += new System.EventHandler(this.cmdStart_Click);
//
// ProgressBarHost
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
this.ClientSize = new System.Drawing.Size(292, 194);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.cmdStart,
this.status});
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.Name = "ProgressBarHost";
this.Text = "ProgressBarHost";
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new ProgressBarHost());
}
private void tmrIncrementBar_Tick(object sender, System.EventArgs e)
{
status.PerformStep();
if (status.Maximum == status.Value)
{
tmrIncrementBar.Enabled = false;
}
}
private void cmdStart_Click(object sender, System.EventArgs e)
{
tmrIncrementBar.Enabled = false;
status.Value = 0;
status.Maximum = 20;
status.Step = 1;
tmrIncrementBar.Enabled = true;
}
}
/// <summary>
/// Summary description for Progress.
/// </summary>
public class Progress : System.Windows.Forms.UserControl
{
internal System.Windows.Forms.Label lblProgress;
internal System.Windows.Forms.ProgressBar Bar;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ruponentModel.Container components = null;
public Progress()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
// TODO: Add any initialization after the InitForm 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 Component 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.lblProgress = new System.Windows.Forms.Label();
this.Bar = new System.Windows.Forms.ProgressBar();
this.SuspendLayout();
//
// lblProgress
//
this.lblProgress.Anchor = ((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
this.lblProgress.Location = new System.Drawing.Point(5, 46);
this.lblProgress.Name = "lblProgress";
this.lblProgress.Size = new System.Drawing.Size(152, 16);
this.lblProgress.TabIndex = 3;
this.lblProgress.Text = "0% Done";
this.lblProgress.TextAlign = System.Drawing.ContentAlignment.TopCenter;
//
// Bar
//
this.Bar.Anchor = ((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
this.Bar.Location = new System.Drawing.Point(5, 6);
this.Bar.Name = "Bar";
this.Bar.Size = new System.Drawing.Size(154, 32);
this.Bar.TabIndex = 2;
//
// Progress
//
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.lblProgress,
this.Bar});
this.Name = "Progress";
this.Size = new System.Drawing.Size(164, 68);
this.ResumeLayout(false);
}
#endregion

[Description("The current value (between 0 and Maximum) which sets the position of the progress bar"),
Category("Behavior"), DefaultValue(0)]
public int Value
{
get
{
return Bar.Value;
}
set
{
Bar.Value = value;
UpdateLabel();
}
}
public int Maximum
{
get
{
return Bar.Maximum;
}
set
{
Bar.Maximum = value;
}
}
public int Step
{
get
{
return Bar.Step;
}
set
{
Bar.Step = value;
}
}
public void PerformStep()
{
Bar.PerformStep();
UpdateLabel();
}
private void UpdateLabel()
{
lblProgress.Text = (Math.Round((decimal)(Bar.Value * 100) /
Bar.Maximum)).ToString();
lblProgress.Text += "% Done";
}
}

}

</source>

==ProgressBar in C#==

<source lang="csharp">
// I am trying to use Class ProgressBar in C#
// Editor Used : Antechinus http://www.c-point.ru
// Dt. 9th Jan. 2001
// ... Special thanks Saurabh for help & guidance ... Thanks! someday i would
// do the way you do.... programming
// ... thanks Mahesh for loading my codes. Your site rules!
// ... thanks to you for reading it you know better who you are :)
// if you have any comments or doubts or whatever please don"t
// hesitate to e-mail me.
using System;
using System.Drawing;
using System.ruponentModel;
using System.Windows.Forms;
/// <summary>
/// Summary description for Win32Form2.
/// </summary>
public class Win32Form2 : System.Windows.Forms.Form {
/// <summary>
/// Required by the Win Forms designer
/// </summary>
private System.ruponentModel.Container components;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.ProgressBar progressBar1;
public Win32Form2() {
// Required for Win Form Designer support
InitializeComponent();
}
/// <summary>
/// The main entry point for the application.
/// </summary>
public static void Main(string[] args) {
Application.Run(new Win32Form2());
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with an editor
/// </summary>
private void InitializeComponent() {
this.ruponents = new System.ruponentModel.Container();
this.label1 = new System.Windows.Forms.Label();
this.progressBar1 = new System.Windows.Forms.ProgressBar();
this.button1 = new System.Windows.Forms.Button();
this.textBox1 = new System.Windows.Forms.TextBox();

//@design this.TrayHeight = 0;
//@design this.TrayLargeIcon = false;
//@design this.TrayAutoArrange = true;
label1.Location = new System.Drawing.Point(32, 40);
label1.Text = "Progress Value";
label1.Size = new System.Drawing.Size(88, 24);
label1.TabIndex = 2;

progressBar1.Maximum = 10;
progressBar1.Location = new System.Drawing.Point(8, 312);
progressBar1.Minimum = 0;
progressBar1.TabIndex = 0;
progressBar1.Value = 0;

//We have calculated the excat size which will result in only 20 boxes to be drawn

progressBar1.Size = new System.Drawing.Size(520, 40);
progressBar1.Step = 1;

button1.Location = new System.Drawing.Point(152, 168);
button1.Size = new System.Drawing.Size(144, 48);
button1.TabIndex = 1;
button1.Text = "button1";
button1.Click += new System.EventHandler(button1_Click);

textBox1.Location = new System.Drawing.Point(136, 40);
textBox1.Text = "0";
textBox1.TabIndex = 3;
textBox1.Size = new System.Drawing.Size(184, 20);
this.Text = "Win32Form2";
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(616, 393);
this.Click += new System.EventHandler(Win32Form2_Click);

this.Controls.Add(textBox1);
this.Controls.Add(label1);
this.Controls.Add(button1);
this.Controls.Add(progressBar1);
}
protected void button1_Click(object sender, System.EventArgs e) {

//this checking is automatically done as stated in the Ref Documentation
//but it does not work , BUGssssss
//so we have to do it shhhhh ....
if (progressBar1.Value == progressBar1.Maximum){
progressBar1.Value = progressBar1.Minimum;
}
progressBar1.PerformStep();
textBox1.Text=progressBar1.Value.ToString() ; // Displays the values of progressbar in textbox

}
protected void Win32Form2_Click(object sender, System.EventArgs e) {
}
}

</source>

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в 15:31, 26 мая 2010

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