в 15:31, 26 мая 2010

2010-05-26T15:31:18Z

Admin: 1 версия

2010-05-26T11:34:07Z

1 версия

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==Get Event sender in event handler==

<source lang="csharp">
using System;
using System.Drawing;
using System.Windows.Forms;

class TwoButtons: Form
{
readonly Button btnLarger, btnSmaller;
readonly int cxBtn, cyBtn, dxBtn;

public static void Main()
{
Application.Run(new TwoButtons());
}
public TwoButtons()
{
ResizeRedraw = true;

cxBtn = 200;
cyBtn = 100;
dxBtn = 12;

btnLarger = new Button();
btnLarger.Parent = this;
btnLarger.Text = "&Larger";
btnLarger.Size = new Size(cxBtn, cyBtn);
btnLarger.Click += new EventHandler(ButtonOnClick);

btnSmaller = new Button();
btnSmaller.Parent = this;
btnSmaller.Text = "&Smaller";
btnSmaller.Size = new Size(cxBtn, cyBtn);
btnSmaller.Click += new EventHandler(ButtonOnClick);

OnResize(EventArgs.Empty);
}
protected override void OnResize(EventArgs ea)
{
base.OnResize(ea);

btnLarger.Location =
new Point(ClientSize.Width / 2 - cxBtn - dxBtn / 2,
(ClientSize.Height - cyBtn) / 2);
btnSmaller.Location =
new Point(ClientSize.Width / 2 + dxBtn / 2,
(ClientSize.Height - cyBtn) / 2);
}
void ButtonOnClick(object obj, EventArgs ea)
{
Button btn = (Button) obj;

if (btn == btnLarger)
{
Left -= (int)(0.1 * Width);
Top -= (int)(0.1 * Height);
Width += (int)(0.1 * Width);
Height += (int)(0.1 * Height);
}
else
{
Left += (int)(Width / 22f);
Top += (int)(Height / 22f);
Width -= (int)(Width / 11f);
Height -= (int)(Height / 11f);
}
}
}
</source>

==System Events: User Preference Changed==

<source lang="csharp">
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Microsoft.Win32;
public class Form1 : Form
{
private System.Windows.Forms.Label label2;

public Form1() {
this.Font = SystemFonts.IconTitleFont;
this.AutoScaleDimensions = new System.Drawing.SizeF(6.0F, 13.0F);
InitializeComponent();
SystemEvents.UserPreferenceChanged += new UserPreferenceChangedEventHandler(SystemEvents_UserPreferenceChanged);
}
private void SystemEvents_UserPreferenceChanged(object sender, UserPreferenceChangedEventArgs e)
{
if (e.Category == UserPreferenceCategory.Window)
{
this.Font = SystemFonts.IconTitleFont;
}
}
private void InitializeComponent()
{
this.label2 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// label2
//
this.label2.Location = new System.Drawing.Point(12, 9);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(220, 55);
this.label2.TabIndex = 2;
this.label2.Text = "Try changing the Small Fonts/Large Fonts setting for th" +
"e computer.";
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(244, 138);
this.Controls.Add(this.label2);
this.Text = "Form1";
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}

</source>

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Csharp/C Sharp/Event/System Event - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия