#region 改变窗口样式
#if !DEBUG
[DllImport ("User32.dll")] private static extern IntPtr GetWindowDC(IntPtr hwnd);
[DllImport ("User32.dll")] private static extern int ReleaseDC(IntPtr hwnd, IntPtr hdc);
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);
处理色彩#region 处理色彩
int ibox = 1;
if (this.MaximizeBox) ibox ++; if (this.MinimizeBox) ibox ++;
//得到相关背景图片 Image imgpm = Image.FromFile( Application.StartupPath+ @"Main.bmp");
//gs.DrawImage(imgbg,3,0,this.Width - (ibox * iBoxWidh),SystemInformation.CaptionHeight + 2); //显示背景图片
//标题栏显示背景颜色 int xPos = this.Width - iBoxWidh * ibox - 2 - ibox*3;
Rectangle excludeRect; //标题栏中不需要填充的位置 for(int i=0;i<ibox;i++) ...{ if( i>0) ...{ xPos = xPos + iBoxWidh + 2; } excludeRect = new Rectangle(xPos, 5, iBoxWidh, iBoxWidh+1); gs.ExcludeClip(excludeRect); } //背景区域 Rectangle rBackground = new Rectangle(0,0,this.Width,SystemInformation.CaptionHeight+3); //背景颜色 上下渐变 System.Drawing.Drawing2D.LinearGradientBrush bBackground = new System.Drawing.Drawing2D.LinearGradientBrush(rBackground, Color.FromArgb(100,145,175), Color.FromArgb(45,80,120),LinearGradientMode.Vertical);
//标题栏填充背景颜色 gs.FillRectangle(bBackground,rBackground ); //显示图标文件 gs.DrawImage(imgpm,4,4,24,24);
#endregion
StringFormat strFmt = new StringFormat();
//strFmt.Alignment = StringAlignment.Center; //strFmt.LineAlignment = StringAlignment.Center;
//gs.DrawString(this.Text, this.Font, Brushes.BlanchedAlmond, m_rect, strFmt); //设置标题字体 Font drawFont = new Font("宋体", 10,System.Drawing.FontStyle.Bold); //设置标题颜色 SolidBrush drawBrush = new SolidBrush(Color.White); //重画标题 gs.DrawString(this.Text, drawFont, drawBrush, 30,8);
gs.Dispose();
//释放GDI资源
ReleaseDC(m.HWnd, hDC); break;
}
case 0xA1://WM_NCLBUTTONDOWN ...{
Point mousePoint = new Point((int)m.LParam);
mousePoint.Offset(-this.Left, -this.Top);
// if(m_rect.Contains(mousePoint)) // { // // MessageBox.Show("hello"); // // }
break;
} }
} #endif
#endregion
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