日期:2014-05-19  浏览次数:20959 次

怎样重画标题栏
我想改变一个窗体标题栏的颜色,还有就是标题的字体能否改变大小或设置它的颜色.
谢谢.....

------解决方案--------------------
using System;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

using System.Runtime.InteropServices;

using System.Diagnostics;

namespace WindowsApplication2

{

/// <summary>

/// Form1 的摘要说明。

/// </summary>

public class Form1 : System.Windows.Forms.Form

{

/// <summary>

/// 必需的设计器变量。

/// </summary>

private System.ComponentModel.Container components = null;

public Form1()

{

//

// Windows 窗体设计器支持所必需的

//

InitializeComponent();

//

// TODO: 在 InitializeComponent 调用后添加任何构造函数代码

//

}

/// <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 );

}

#region Windows 窗体设计器生成的代码

/// <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()

{

//

// Form1

//

this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);

this.ClientSize = new System.Drawing.Size(292, 266);

this.Name = "Form1 ";

this.Text = "Form1 ";

this.SizeChanged += new System.EventHandler(this.Form1_SizeChanged);

}

#endregion

/// <summary>

/// 应用程序的主入口点。

/// </summary>

[STAThread]

static void Main()

{

Application.Run(new Form1());

}

[DllImport ( "User32.dll ")]

private static extern IntPtr GetWindowDC(IntPtr hwnd);

[DllImport ( "User32.dll ")]

private static extern int ReleaseDC(IntPtr hwnd, IntPtr hdc);

[DllImport ( "Kernel32.dll ")]

private static extern int GetLastError();

//标题栏按钮的矩形区域。

Rectangle m_rect = new Rectangle(205, 6, 20, 20);

protected override void WndProc(ref Message m)

{

base.WndProc(ref m);

switch(m.Msg)

{

case 0x86://WM_NCACTIVATE

goto case 0x85;

case 0x85://WM_NCPAINT

{

IntPtr hDC = GetWindowDC(m.HWnd);

//把DC转换为.NET的Graphics就可以很方便地使用Framework提供的绘图功能了

Graphics gs = Graphics.FromHdc(hDC);

gs.FillRectangle(new LinearGradientBrush(m_rect, Color.Pink, Color.Purple, LinearGradientMode.BackwardDiagonal), m_rect);

StringFormat strFmt = new StringFormat();

strFmt.Alignment = StringAlignment.Center;

strFmt.LineAlignment = StringAlignment.Center;

gs.DrawString( "√ ", this.Font, Brushes.BlanchedAlmond, m_rect, strFmt);

gs.Dispose();

//释放GDI资源

ReleaseDC(m.HWnd, hDC);

break;

}