自己定义的模仿窗体标题栏的控件
最近因为项目需要，软件客户端界面需要有换肤功能，但.net没有提供对窗体标题栏的修改。没有办法于是自己动手写了个模仿标题栏功能的控件，其中ICON和Title属性分别是窗体的标题栏文字和ICO图片的内容。（其中还用到了一个重载的button控件)
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace SkinLib
{
/// <summary>
/// TitleBar 的摘要说明。
/// </summary>
public class TitleBar : System.Windows.Forms.UserControl
{
private System.Windows.Forms.ToolTip tipClose;
private System.Windows.Forms.PictureBox vICON;
private System.Windows.Forms.Label lblTitle;
private SkinLib.CKButton cBtnClose;
private SkinLib.CKButton cBtnMax;
private SkinLib.CKButton cBtnMin;
private System.Windows.Forms.ToolTip tipMin;
private System.Windows.Forms.ToolTip tipMax;
public delegate void OnClosing(object sender, System.EventArgs args); // 事件将用到的委托
private System.ComponentModel.IContainer components;
public TitleBar()
{
// 该调用是 Windows.Forms 窗体设计器所必需的。
InitializeComponent();
// TODO: 在 InitializeComponent 调用后添加任何初始化
}
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
[Category("TitleBar")]
public Image ICON
{
get
{
return vICON.BackgroundImage;
}
set
{
vICON.BackgroundImage=value;
}
}
[Category("TitleBar")]
public string Title
{
get
{
return lblTitle.Text;
}
set
{
lblTitle.Text=value;
}
}
[Category("TitleBar")]
public event OnClosing Closing;
#region 修改控件布局
private void SetLayout()
{
// 检测控件是否超过最大高度
if (this.Height>35)
{
this.Height=35;
}
// 定义元素位置
Point cBtnCtrl=new Point();
cBtnCtrl.X=8;
cBtnCtrl.Y=4;
this.vICON.Location=cBtnCtrl; // ICO位置
cBtnCtrl.X=this.vICON.Location.X+this.vICON.Width;
cBtnCtrl.Y=4;
this.lblTitle.Location=cBtnCtrl; // 标题文字位置
this.lblTitle.Width=this.Width-8-5-this.cBtnClose.Width; // 标题文字栏的宽度
//cBtnCtrl.X=this.Width-8-5-this.cBtnClose.Width;
//this.cBtnClose.Location=cBtnCtrl; // 关闭按钮位置
//tipClose.SetToolTip(cBtnClose,"关闭");
//Point cBtnCtrl=new Point();
cBtnCtrl.X=this.Width-this.cBtnClose.Width-5-2;
cBtnCtrl.Y=2;
this.cBtnClose.Location=cBtnCtrl;
cBtnCtrl.X=this.Width-(2*cBtnClose.Width)-5;
this.cBtnMax.Location=cBtnCtrl;
cBtnCtrl.X=this.Width-(3*cBtnClose.Width)-5;
this.cBtnMin.Location=cBtnCtrl;
tipClose.SetToolTip(cBtnClose,"关闭");
tipMin.SetToolTip(cBtnMin,"最小化");
if (this.ParentForm.WindowState == FormWindowState.Maximized)
{
tipMax.SetToolTip(cBtnMax,"还原窗口");
}
else
{
tipMax.SetToolTip(cBtnMax,"最大化");
}
}
#endregion
#region win32API实现按住控件移动窗体
// 引用windowsAPI
[DllImport("user32.dll")]
public static extern bool ReleaseCapture();
[DllImport("user32.dll")]
public static extern bool SendMessage(IntPtr hwnd, int wMsg,int wParam, int lParam);
// 置windows消息常量
public const int WM_SYSCOMMAND=0x0112;
public const int SC_MOVE=0xF010;
public const int HTCAPTION=0x0002;
// 移动窗体
private void SetWindowMove()
{
ReleaseCapture();
SendMessage(this.ParentForm.Handle,WM_SYSCOMMAND,SC_MOVE+HTCAPTION,0);
}
#endregion
#region 重载重绘事件
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint (e);
if (this.BackgroundImage != null)
{
e.Graphics.Clear(Color.Transparent);
e.Graphics.DrawImage(this.BackgroundImage,0,0,this.Width,this.Height);
}
SetLayout();
}
#endregion
#region 组件设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器
/// 修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.tipClose = new System.Windows.Forms.ToolTip(this.components);
this.vICON = new System.Windows.Forms.PictureBox();
this.lblTitle = new System.Windows.Forms.Label();
this.cBtnClose = new ICCE.SkinLib.CKButton();
this.cBtnMax = new ICCE.SkinLib.CKButton();
this.cBtnMin = new ICCE.SkinLib.CKButton();
this.tipMin = new System.Windows.Forms.ToolTip(this.components);
this.tipMax = new System.Windows.Forms.ToolTip(this.components);
this.SuspendLayout();
//
// vICON
//
this.vICON.BackColor = System.Drawing.Color.Transparent;
this.vICON.Location = new System.Drawing.Point(8, 4);
this.vICON.Name = "vICON";
this.vICON.Size = new System.Drawing.Size(16, 16);
this.vICON.TabIndex = 0;
this.vICON.TabStop = false;
//
// lblTitle
//
this.lblTitle.BackColor = System.Drawing.Color.Transparent;
this.lblTitle.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.lblTitle.Location = new System.Drawing.Point(24, 5);
this.lblTitle.Name = "lblTitle";
this.lblTitle.Size = new System.Drawing.Size(216, 24);
this.lblTitle.TabIndex = 1;
this.lblTitle.Text = "上海诚库信息科技有限公司---研发部";
this.lblTitle.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
this.lblTitle.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lblTitle_MouseDown);
//
// cBtnClose
//
this.cBtnClose.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.cBtnClose.BackColor = System.Drawing.Color.Transparent;
this.cBtnClose.Cursor = System.Windows.Forms.Cursors.Hand;
this.cBtnClose.ImgDown = null;
this.cBtnClose.ImgNormal = null;
this.cBtnClose.ImgOver = null;
this.cBtnClose.IsTransparent = false;
this.cBtnClose.Location = new System.Drawing.Point(352, 0);
this.cBtnClose.Name = "cBtnClose";
this.cBtnClose.Size = new System.Drawing.Size(24, 24);
this.cBtnClose.TabIndex = 2;
this.cBtnClose.Text = "X";
this.cBtnClose.Click += new System.EventHandler(this.cBtnClose_Click);
//
// cBtnMax
//
this.cBtnMax.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.cBtnMax.BackColor = System.Drawing.Color.Transparent;
this.cBtnMax.Cursor = System.Windows.Forms.Cursors.Hand;
this.cBtnMax.ImgDown = null;
this.cBtnMax.ImgNormal = null;
this.cBtnMax.ImgOver = null;
this.cBtnMax.IsTransparent = false;
this.cBtnMax.Location = new System.Drawing.Point(328, 0);
this.cBtnMax.Name = "cBtnMax";
this.cBtnMax.Size = new System.Drawing.Size(24, 24);
this.cBtnMax.TabIndex = 3;
this.cBtnMax.Text = "X";
this.cBtnMax.Click += new System.EventHandler(this.cBtnMax_Click);
//
// cBtnMin
//
this.cBtnMin.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.cBtnMin.BackColor = System.Drawing.Color.Transparent;
this.cBtnMin.Cursor = System.Windows.Forms.Cursors.Hand;
this.cBtnMin.ImgDown = null;
this.cBtnMin.ImgNormal = null;
this.cBtnMin.ImgOver = null;
this.cBtnMin.IsTransparent = false;
this.cBtnMin.Location = new System.Drawing.Point(304, 0);
this.cBtnMin.Name = "cBtnMin";
this.cBtnMin.Size = new System.Drawing.Size(24, 24);
this.cBtnMin.TabIndex = 4;
this.cBtnMin.Text = "X";
this.cBtnMin.Click += new System.EventHandler(this.cBtnMin_Click);
//
// TitleBar
//
this.BackColor = System.Drawing.SystemColors.Control;
this.Controls.Add(this.cBtnMin);
this.Controls.Add(this.cBtnMax);
this.Controls.Add(this.cBtnClose);
this.Controls.Add(this.lblTitle);
this.Controls.Add(this.vICON);
this.Name = "TitleBar";
this.Size = new System.Drawing.Size(384, 40);
this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.TitleBar_MouseDown);
this.ResumeLayout(false);
}
#endregion
#region 窗体拖运
private void TitleBar_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
SetWindowMove();
}
private void lblTitle_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
SetWindowMove();
}
#endregion
// 引发自定义事件
private void cBtnClose_Click(object sender, System.EventArgs e)
{
if (Closing != null)
{
Closing(sender,e);
}
Application.Exit();
}
private void cBtnMax_Click(object sender, System.EventArgs e)
{
if (this.ParentForm.WindowState != FormWindowState.Maximized)
{
this.ParentForm.WindowState=FormWindowState.Maximized;
}
else
{
this.ParentForm.WindowState=FormWindowState.Normal;
}
}
private void cBtnMin_Click(object sender, System.EventArgs e)
{
this.ParentForm.WindowState=FormWindowState.Minimized;
}
}
}
