实例介绍
【实例简介】c# 仿安全卫士以及qq风格的winform皮肤,大家可在此基础上继续扩展
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using Paway.Windows.Resource;
namespace Paway.Windows.Forms
{
/// <summary>
/// 工具栏
/// </summary>
[DefaultProperty("Items")]
[DefaultEvent("SelectedIndexChanged")]
public class ToolBar : Control
{
#region 变量
#region 资源图片
/// <summary>
///
/// </summary>
private Image _normalImage = AssemblyHelper.GetImage("_360.ToolBar.toolbar_normal.png");
/// <summary>
///
/// </summary>
private Image _pushedImage = AssemblyHelper.GetImage("_360.ToolBar.toolbar_pushed.png");
/// <summary>
///
/// </summary>
private Image _hoverImage = AssemblyHelper.GetImage("_360.ToolBar.toolbar_hover.png");
#endregion
#region 成员
/// <summary>
/// 工具栏中的项
/// </summary>
private ToolItemCollection _items = null;
/// <summary>
/// 每一项的大小
/// </summary>
private Size _itemSize = new Size(74, 82);
/// <summary>
/// 每一项图片显示的大小
/// </summary>
private Size _imageSize = new Size(48, 48);
/// <summary>
/// 项与项之间的间隔
/// </summary>
private int _itemSpace = 5;
///// <summary>
///// 鼠标状态
///// </summary>
//private EMouseState _mouseState = EMouseState.Normal;
/// <summary>
/// 选中项的索引
/// </summary>
private int _selectedIndex = 0;
/// <summary>
/// 当前选中项
/// </summary>
private ToolItem _selectedItem = null;
#endregion
#region 事件对像
/// <summary>
/// 当选中项的索引发生改变时事件的 Key
/// </summary>
private static readonly object EventSelectedIndexChanged = new object();
/// <summary>
/// 当选中项的发生改变时事件的 Key
/// </summary>
private static readonly object EventSelectedItemChanged = new object();
#endregion
#endregion
#region 构造函数
/// <summary>
/// 初始化 Paway.Windows.Forms.ToolBar 新的实例。
/// </summary>
public ToolBar()
{
this.SetStyle(
ControlStyles.AllPaintingInWmPaint |
ControlStyles.OptimizedDoubleBuffer |
ControlStyles.ResizeRedraw |
ControlStyles.Selectable |
ControlStyles.SupportsTransparentBackColor |
ControlStyles.UserPaint, true);
this.SetStyle(ControlStyles.Opaque, false);
this.UpdateStyles();
this.Initialize();
}
#endregion
#region 属性
/// <summary>
/// 工具栏中的项
/// </summary>
[Description("工具栏中的项"),EditorBrowsable(EditorBrowsableState.Always),DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
public ToolItemCollection Items
{
get
{
if (this._items == null)
this._items = new ToolItemCollection(this);
return this._items;
}
}
/// <summary>
/// Item 的大小
/// </summary>
[Description("Item 的大小")]
public Size ItemSize
{
get { return this._itemSize; }
}
/// <summary>
/// 项与项之间的间隔
/// </summary>
[Description("项与项之间的间隔")]
public int ItemSpace
{
get { return this._itemSpace; }
set
{
this._itemSpace = value;
this.Invalidate();
}
}
/// <summary>
/// 当前选中的 Item
/// </summary>
[Browsable(false), Description("当前选中的 Item")]
public ToolItem SelectedItem
{
get
{
if (this._selectedItem == null && this.Items.Count != 0)
this._selectedItem = this.Items[0];
return this._selectedItem;
}
}
/// <summary>
/// 选中 Item 的索引
/// </summary>
[Browsable(false), Description("选中 Item 的索引")]
public int SelectedIndex
{
get { return this._selectedIndex; }
}
/// <summary>
/// 重写父类的默认大小
/// </summary>
protected override Size DefaultSize
{
get { return new Size(300, 82); }
}
#endregion
#region 事件
/// <summary>
/// 当选中项的索引发生改变时
/// </summary>
public event EventHandler SelectedIndexChanged
{
add { base.Events.AddHandler(EventSelectedIndexChanged, value); }
remove { base.Events.RemoveHandler(EventSelectedIndexChanged, value); }
}
/// <summary>
/// 当选中项的发生改变时
/// </summary>
public event EventHandler SelectedItemChanged
{
add { base.Events.AddHandler(EventSelectedItemChanged, value); }
remove { base.Events.RemoveHandler(EventSelectedItemChanged, value); }
}
#endregion
#region 方法
/// <summary>
/// 初始化控件
/// </summary>
private void Initialize()
{
this.BackColor = Color.Transparent;
}
#endregion
#region Override Methods
/// <summary>
/// 引发 System.Windows.Forms.Form.Paint 事件。
/// </summary>
/// <param name="e">包含事件数据的 System.Windows.Forms.PaintEventArgs。</param>
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics g = e.Graphics;
g.SmoothingMode = SmoothingMode.AntiAlias;
int xPos = this.Padding.Left;
int yPos = this.Padding.Top;
foreach (ToolItem item in this.Items)
{
// 当前 Item 所在的矩型区域
Rectangle itemRect = new Rectangle(xPos, yPos, this._itemSize.Width, this._itemSize.Height);
if (!DesignMode)
{
item.Rectangle = itemRect;
if (item != this.SelectedItem)
{
if (item.MouseState == EMouseState.Normal ||
item.MouseState == EMouseState.Leave)
{
g.DrawImage(this._normalImage, itemRect);
}
else if (item.MouseState == EMouseState.Move ||
item.MouseState == EMouseState.Up)
{
g.DrawImage(this._hoverImage, itemRect);
}
}
else
{
g.DrawImage(this._pushedImage, itemRect);
}
}
if (item.Image != null) // 绘制图片
{
Rectangle imageRect = new Rectangle();
imageRect.X = itemRect.X (itemRect.Width - this._imageSize.Width) / 2;
imageRect.Y = 6;
imageRect.Size = this._imageSize;
g.DrawImage(item.Image, imageRect);
}
if (!string.IsNullOrEmpty(item.Text)) // 绘制文字
{
Rectangle textRect = new Rectangle();
textRect.X = itemRect.X;
textRect.Y = itemRect.Height / 5 * 3;
textRect.Height = itemRect.Height / 5 * 2;
textRect.Width = itemRect.Width;
TextFormatFlags flags = TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter;
TextRenderer.DrawText(g, item.Text, this.Font, textRect, this.ForeColor, flags);
}
xPos = itemRect.Width this._itemSpace;
}
}
/// <summary>
/// 引发 System.Windows.Forms.Form.MouseMove 事件。
/// </summary>
/// <param name="e">包含事件数据的 System.Windows.Forms.MouseEventArgs。</param>
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (!this.DesignMode)
{
Point point = e.Location;
foreach (ToolItem item in this.Items)
{
if (item.MouseState == EMouseState.Down)
{
continue;
}
else if (item.Rectangle.Contains(point))
{
item.MouseState = EMouseState.Move;
this.Invalidate(item.Rectangle);
}
else
{
item.MouseState = EMouseState.Leave;
this.Invalidate(item.Rectangle);
}
}
}
}
/// <summary>
/// 引发 System.Windows.Forms.Form.MouseLeave 事件。
/// </summary>
/// <param name="e">包含事件数据的 System.EventArgs。</param>
protected override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
if (!this.DesignMode)
{
foreach (ToolItem item in this.Items)
{
if (item != this.SelectedItem)
{
item.MouseState = EMouseState.Leave;
this.Invalidate(item.Rectangle);
}
}
}
}
/// <summary>
/// 引发 System.Windows.Forms.Form.MouseDown 事件。
/// </summary>
/// <param name="e">包含事件数据的 System.Windows.Forms.MouseEventArgs。</param>
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (!this.DesignMode)
{
Point point = e.Location;
foreach (ToolItem item in this.Items)
{
if (item.Rectangle.Contains(point))
{
if (item != this.SelectedItem)
{
this._selectedItem = item;
this.OnSelectedItemChanged(EventArgs.Empty);
this._selectedIndex = this.Items.GetIndexOfRange(item);
this.OnSelectedIndexChanged(EventArgs.Empty);
this.Invalidate();
}
}
else
{
item.MouseState = EMouseState.Normal;
this.Invalidate(item.Rectangle);
}
}
}
}
/// <summary>
/// 引发 System.Windows.Forms.Form.MouseUp 事件。
/// </summary>
/// <param name="e">包含事件数据的 System.Windows.Forms.MouseEventArgs。</param>
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (!this.DesignMode)
{
Point point = e.Location;
foreach (ToolItem item in this.Items)
{
if (item != this.SelectedItem)
{
if (item.Rectangle.Contains(point))
{
item.MouseState = EMouseState.Up;
this.Invalidate(item.Rectangle);
}
}
}
}
}
#endregion
#region 激发事件的方法
/// <summary>
/// 当选择的 Item 发生改变时激发。
/// </summary>
/// <param name="e">包含事件数据的 System.EventArgs。</param>
public virtual void OnSelectedItemChanged(EventArgs e)
{
EventHandler handler = base.Events[EventSelectedItemChanged] as EventHandler;
if (handler != null)
handler(this, e);
}
/// <summary>
/// 当选择的 Item 索引发生改变时激发。
/// </summary>
/// <param name="e">包含事件数据的 System.EventArgs。</param>
public virtual void OnSelectedIndexChanged(EventArgs e)
{
EventHandler handler = base.Events[EventSelectedIndexChanged] as EventHandler;
if (handler != null)
handler(this, e);
}
#endregion
}
}
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