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用 C# 创建不规则窗体

mxh1998

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2009-1-4 
1# 大 中 小 发表于 2008-3-26 21:06  只看该作者

用 C# 创建不规则窗体

　　


                  


在 C# 中创建不规则窗体是一件极其轻松的事，不需要 了解复杂的图形图像知识，依靠.NET为我们提供的类库，可 以轻易做出这种效果来。<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office[/img]<o:p></o:p>


一、建立一幅作为窗体的位图文件，取名 test.bmp。<o:p></o:p>


<o:p></o:p><o:p></o:p>


<v:stroke dashstyle="solid"></v:stroke><v:path arrowok="t"></v:path><?xml:namespace prefix = w ns = "urn:schemas-microsoft-com:office:word[/img]<w:wrap anchorx="page"></w:wrap></v:rect><o:p></o:p>


public void OnPaint(object sender, PaintEventArgs e)<o:p></o:p>


{<o:p></o:p>


Bitmap bitmap = new Bitmap("test.bmp"); //装入位图<o:p></o:p>


</v:path><w:wrap anchorx="page"></w:wrap></v:shape><v:shape id=_x0000_s1050 style="MARGIN-TOP: -32.85pt; Z-INDEX: -13; LEFT: 0px; MARGIN-LEFT: 299pt; WIDTH: 215.8pt; POSITION: absolute; HEIGHT: 83.7pt; TEXT-ALIGN: left; mso-position-horizontal-relative: page; mso-position-vertical-relative: text[/img]<v:path arrowok="t"></v:path><w:wrap anchorx="page"></w:wrap></v:shape>bitmap.MakeTransparent(Color.White); //设置位图透明色<o:p></o:p>


//在窗体上绘制位图<o:p></o:p>


e.Graphics.DrawImage(bitmap,0,0,bitmap.Width,bitmap.Height);<o:p></o:p>


}<o:p></o:p>


把 test.bmp 放在工程的 Debug 目录下面，运行程序.<BR style="PAGE-BREAK-BEFORE: auto; mso-break-type: section-break[/img]





<o:p></o:p>


<o:p></o:p>


二、设置窗体属性<o:p></o:p>


<o:p></o:p>


属性 值 说明<o:p></o:p>


BackColor Control BackColor与TransparencyKey值需相同 TransparencyKey Control<o:p></o:p>


<o:p></o:p>


FormBorderSytle None 无标题窗体<o:p></o:p><BR style="PAGE-BREAK-BEFORE: auto; mso-break-type: section-break[/img]





<o:p></o:p>


需要注目的是，只有在 Windows 2000 以上平台才能实 现透明窗体效果。<o:p></o:p>


<o:p></o:p>


三、为窗体 Paint 事件添加代码<o:p></o:p>


<o:p></o:p>


1.在窗体构造函数中添加 Paint 事件声明<o:p></o:p>


<o:p></o:p>


this.Paint  = new System.Windows.Forms.PaintEventHandler<o:p></o:p>


<o:p></o:p>


<v:stroke dashstyle="solid"></v:stroke><v:path arrowok="t"></v:path><w:wrap anchorx="page[/img]</w:wrap></v:shape><v:shape id=_x0000_s1027 style="MARGIN-TOP: 47.1pt; Z-INDEX: -36; LEFT: 0px; MARGIN-LEFT: 31.4pt; WIDTH: 532.8pt; POSITION: absolute; HEIGHT: 9.1pt; TEXT-ALIGN: left; mso-position-horizontal-relative: page; mso-position-vertical-relative: page[/img]<v:fill type="frame[/img]</v:fill><v:stroke dashstyle="solid"></v:stroke><v:path arrowok="t"></v:path><w:wrap anchorx="page[/img]</w:wrap></v:shape><v:shape id=_x0000_s1028 style="MARGIN-TOP: 56pt; Z-INDEX: -35; LEFT: 0px; MARGIN-LEFT: 31.4pt; WIDTH: 532.8pt; POSITION: absolute; HEIGHT: 9.35pt; TEXT-ALIGN: left; mso-position-horizontal-relative: page; mso-position-vertical-relative: page[/img]<v:fill type="frame[/img]</v:fill><v:stroke dashstyle="solid"></v:stroke><v:path arrowok="t"></v:path><w:wrap anchorx="page[/img]</w:wrap></v:shape><v:shape id=_x0000_s1029 style="MARGIN-TOP: 65.1pt; Z-INDEX: -34; LEFT: 0px; MARGIN-LEFT: 31.4pt; WIDTH: 532.8pt; POSITION: absolute; HEIGHT: 9.1pt; TEXT-ALIGN: left; mso-position-horizontal-relative: page; mso-position-vertical-relative: page[/img]<v:fill type="frame[/img]</v:fill><v:stroke dashstyle="solid"></v:stroke><v:path arrowok="t"></v:path><w:wrap anchorx="page[/img]</w:wrap></v:shape><v:shape id=_x0000_s1030 style="MARGIN-TOP: 74pt; Z-INDEX: -33; LEFT: 0px; MARGIN-LEFT: 31.4pt; WIDTH: 532.8pt; POSITION: absolute; HEIGHT: 9.35pt; TEXT-ALIGN: left; mso-position-horizontal-relative: page; mso-position-vertical-relative: page[/img]<v:fill type="frame[/img]</v:fill><v:path arrowok="t"></v:path><w:wrap anchorx="page[/img]</w:wrap></v:shape><v:shape id=_x0000_s1031 style="MARGIN-TOP: 83.1pt; Z-INDEX: -32; LEFT: 0px; MARGIN-LEFT: 31.4pt; WIDTH: 532.8pt; POSITION: absolute; HEIGHT: 9.1pt; TEXT-ALIGN: left; mso-position-horizontal-relative: page; mso-position-vertical-relative: page[/img]<v:fill type="frame[/img]</v:fill><v:path arrowok="t"></v:path><w:wrap anchorx="page[/img]</w:wrap></v:shape><v:shape id=_x0000_s1032 style="MARGIN-TOP: 92pt; 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Z-INDEX: -16; LEFT: 0px; MARGIN-LEFT: -501.8pt; WIDTH: 532.75pt; POSITION: absolute; HEIGHT: 9.35pt; TEXT-ALIGN: left; mso-position-horizontal-relative: page; mso-position-vertical-relative: page[/img]<v:fill type="frame[/img]</v:fill><v:path arrowok="t"></v:path><w:wrap anchorx="page[/img]</w:wrap></v:shape><v:shape id=_x0000_s1048 style="MARGIN-TOP: 101.1pt; Z-INDEX: -15; LEFT: 0px; MARGIN-LEFT: -501.8pt; WIDTH: 532.75pt; POSITION: absolute; HEIGHT: 7.7pt; TEXT-ALIGN: left; mso-position-horizontal-relative: page; mso-position-vertical-relative: page[/img]<v:fill type="frame[/img]</v:fill><v:stroke dashstyle="solid"></v:stroke><v:path arrowok="t"></v:path><w:wrap anchorx="page[/img]</w:wrap></v:shape>(this.OnPaint);<o:p></o:p>


<o:p></o:p>


</v:path><w:wrap anchorx="page"></w:wrap></v:rect>2.修改 OnPaint 事件代码<o:p></o:p><BR style="mso-special-character: line-break; mso-column-break-before: always[/img]


<o:p></o:p>


通过本文，我们可以发现在 C#下创建不规则窗体是件 相当容易的事。我们要做的只是如何花精力制作一幅漂亮的 不规则的图像，而代码的编写是一件轻而易举的事情。相信 读者在读完本文后，对在.Net下创建丰富的用户界面有了基 本的了解，从而创建出更丰富的、更富有时代特色的用户界面。 [CX03]<o:p></o:p><BR style="PAGE-BREAK-BEFORE: always; mso-break-type: section-break[/img]


<o:p></o:p>


<o:p></o:p>


件卸载及注册表修改这一卸载过程的程序。 新建名为 Uninstall.js 的文件，输入如下代码并将它与<o:p></o:p>


Setup.js 等文件放在同一目录下，以后用户双击该文件即可 完成整个卸载过程：<o:p></o:p>


</v:path><w:wrap anchorx="page"></w:wrap></v:shape><v:shape id=_x0000_s1054 style="MARGIN-TOP: 2.45pt; Z-INDEX: -9; LEFT: 0px; MARGIN-LEFT: 70.55pt; WIDTH: 215.75pt; POSITION: absolute; HEIGHT: 159.6pt; TEXT-ALIGN: left; mso-position-horizontal-relative: page; mso-position-vertical-relative: text[/img]<v:path arrowok="t"></v:path><w:wrap anchorx="page"></w:wrap></v:shape>//删除右键菜单在注册表中的注册信息，删除右键菜单与执行文件的关 联<o:p></o:p>


function regoperate() {<o:p></o:p>


//删除各注册表主键<o:p></o:p>


WSHShell.RegDelete("HKCU\\Software\\Microsoft\\Internet<o:p></o:p>


Explorer\\MenuExt\\用FlashGet下载所有Flash动画\\");<o:p></o:p>


}<o:p></o:p>


//函数功能：用于完成文件的删除和程序注册信息的删除<o:p></o:p>


// 初始化 FSO组件对象<o:p></o:p>


var fso=new ActiveXObject("Scripting.FileSystemObject");<o:p></o:p>


var fn,windir;<o:p></o:p>


windir=fso.GetSpecialFolder(0);<o:p></o:p>


fn=windir "\\jc_swf.htm"; //生成安装路径与目的文件名 fso.DeleteFile(fn,true); //删除可执行文件，执行卸载操作 var WSHShell = WScript.CreateObject("WScript.Shell");<o:p></o:p>


regoperate();<o:p></o:p><BR style="mso-special-character: line-break; mso-column-break-before: always[/img]


<o:p></o:p>


<o:p></o:p>


</v:stroke><v:path arrowok="t"></v:path><w:wrap anchorx="page"></w:wrap></v:shape><v:shape id=_x0000_s1052 style="MARGIN-TOP: -0.3pt; Z-INDEX: -11; MARGIN-LEFT: 296.85pt; WIDTH: 215.75pt; POSITION: absolute; HEIGHT: 24.4pt; mso-position-horizontal-relative: page; mso-position-vertical-relative: text[/img]<v:path arrowok="t"></v:path><w:wrap anchorx="page"></w:wrap></v:shape>WSHShell.Popup("程序：冰点在线网页Flash动画下载程序 1.04 卸载成 功!",0,"卸载程序");<o:p></o:p>


<o:p></o:p>


五、编程后的思考<o:p></o:p>


至此，网页 Flash 动画下载程序就全部完成了。实际上， 在使用下载工具下载 Flash 动画这一问题上，我们还可以使 用 NetAnts 作为本程序的下载工具。我们只须将程序中的启 动 FlashGet 和向 FlashGet 传递参数的两条语句，按照 NetAnts 的要求修改即可。同样的方法，我们可以参考 NetAnts 的安 装目录中的相关文件来解决这个问题，有兴趣的朋友请与我 联系。<o:p></o:p>


如果你有什么问题或建议，或者你想就上面的问题与 我进行探讨，请与我联系。我的E-mail是：ghlfllz@sina.com。 源程序下载地址：http://www.cfan.net.cn/qikan/cfan/<o:p></o:p>


<o:p></o:p><v:rect id=_x0000_s1055 style="MARGIN-TOP: 1.6pt; Z-INDEX: -8; LEFT: 0px; MARGIN-LEFT: 372.45pt; WIDTH: 14.65pt; POSITION: absolute; HEIGHT: 7.9pt; TEXT-ALIGN: left; mso-position-horizontal-relative: page[/img]<v:fill type="frame[/img]</v:fill><v:path arrowok="t"></v:path><w:wrap anchorx="page"></w:wrap></v:rect>source/0302bcs.zip。

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