自定义不规则窗体和控件代码,CSharp代码库,德仔网

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【CSharp】自定义不规则窗体和控件
作者:asion / 发布于2011/4/26/ 644
<div><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Collections.Generic;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.ComponentModel;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Data;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Drawing;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Linq;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Text;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Windows.Forms;

</span><span style="color: rgb(0,0,255)">namespace</span><span style="color: rgb(0,0,0)"> WindowsFormsApplication1
{
 </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">partial</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">class</span><span style="color: rgb(0,0,0)"> Form1 : Form
 {
 </span><span style="color: rgb(0,128,0)">/*</span><span style="color: rgb(0,128,0)"> 《自定义窗体的创建步骤》：
 * 
 *No.1: 位图文件选用*.GIF或*.PNG格式，也就是可以保存&ldquo;透明背景色&rdquo;的图片格式。
 *No.2: 将TransparencyKey属性设置为BackColor同样的颜色值。
 *No.3: 将FormBorderStyle属性设置为None。
 *No.4: 添加窗体常用功能：移动，关闭，标题栏等等。
 *
 </span><span style="color: rgb(0,128,0)">*/</span><span style="color: rgb(0,0,0)">


 </span><span style="color: rgb(0,128,0)">/*</span><span style="color: rgb(0,128,0)"> 《自定义控件的创建步骤》：
 * 
 * 1.创建一个GraphicsPath类的实例对象。
 * 2.指定好该对象的各项细节（如大小、形状等等）。 
 * 3.将控件的Region属性设置为上面建立的GraphicsPath类的实例对象。
 * 
 </span><span style="color: rgb(0,128,0)">*/</span><span style="color: rgb(0,0,0)">


 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 恢复 窗体必要功能の相关代码</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> Point mouse_offset; </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">Point表示在二维平面中定义点的、整数 X 和 Y 坐标的有序对。</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,128,0)">/*</span><span style="color: rgb(0,128,0)">【Tip】:下面相关事件的代码可以直接使用。
 * 
 * 只要在、新建的窗体、的对应事件中选择以下事件代码即可。
 * 
 </span><span style="color: rgb(0,128,0)">*/</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">void</span><span style="color: rgb(0,0,0)"> Form_MouseDown(</span><span style="color: rgb(0,0,255)">object</span><span style="color: rgb(0,0,0)"> sender , MouseEventArgs e)
 {
 mouse_offset </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> Point(e.X , e.Y); </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">将当前鼠标相对于&ldquo;窗体&rdquo;左上角的坐标赋值给mouse_offset</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> }

 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">void</span><span style="color: rgb(0,0,0)"> Form_MouseMove(</span><span style="color: rgb(0,0,255)">object</span><span style="color: rgb(0,0,0)"> sender , MouseEventArgs e)
 {
 
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> ( e.Button </span><span style="color: rgb(0,0,0)">==</span><span style="color: rgb(0,0,0)"> MouseButtons.Left )
 {
 Point mousePos </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> Control.MousePosition; </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">将鼠标当前的"屏幕"位置坐标，赋值给mousePos变量</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)">
 mousePos.Offset(</span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)">mouse_offset.X , </span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)">mouse_offset.Y); </span><span style="color: rgb(0,128,0)">/*</span><span style="color: rgb(0,128,0)"> Offset的作用：将当前鼠标的Point 平移指定的量。
 * 这里&ldquo;负号&rdquo;的含义是：
 * 因为窗体左上角会向下移动到当前鼠标的位置，
 * 为了使窗体不改变与鼠标的相对位置，而减去原来鼠标相当于窗体左上
 * 角的位移量。这样就进入&ldquo;窗体移动&rdquo;状态。
 </span><span style="color: rgb(0,128,0)">*/</span><span style="color: rgb(0,0,0)">
 Location </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> mousePos;
 }
 }


 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">void</span><span style="color: rgb(0,0,0)"> 关闭_Click(</span><span style="color: rgb(0,0,255)">object</span><span style="color: rgb(0,0,0)"> sender , EventArgs e)
 {
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.Close(); </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">实现窗体的关闭功能</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> }


 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">



 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">void</span><span style="color: rgb(0,0,0)"> CustomButton_Paint(</span><span style="color: rgb(0,0,255)">object</span><span style="color: rgb(0,0,0)"> sender,System.Windows.Forms.PaintEventArgs e) 
 { 

 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">初始化一个GraphicsPath类的对象 </span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> System.Drawing.Drawing2D.GraphicsPath myGraphicsPath </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> System.Drawing.Drawing2D.GraphicsPath();


 </span><span style="color: rgb(128,128,128)">//////////////////////////////////////////</span><span style="color: rgb(0,128,0)">//
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)">/举一个例子：创建一个像文本的按钮控件</span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)">/
 </span><span style="color: rgb(128,128,128)">//////////////////////////////////////////</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(128,128,128)">
</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">确定一个&ldquo;字符串&rdquo;，该字符串就是控件的形状 </span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> stringText </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">Click Me!</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">; 

 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">确定字符串的&ldquo;字体&rdquo; </span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> FontFamily family </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> FontFamily(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">Arial</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">); 

 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">确定字符串的&ldquo;风格 &rdquo;</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> fontStyle </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)">)FontStyle.Bold; 

 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">确定字符串的&ldquo;高度 &rdquo;</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> emSize </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">35</span><span style="color: rgb(0,0,0)">; 

 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">确定字符串的&ldquo;起始位置&rdquo;，它是从控件开始计算而非窗体 </span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> PointF origin </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> PointF(</span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">); 

 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">一个StringFormat对象来确定字符串的字间距以及&ldquo;对齐方式&rdquo; </span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> StringFormat format </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> StringFormat(StringFormat.GenericDefault);

 </span><span style="color: rgb(128,128,128)">//////////////////////////////////////////</span><span style="color: rgb(0,128,0)">
 </span><span style="color: rgb(128,128,128)">///////////////</span><span style="color: rgb(0,128,0)"> END </span><span style="color: rgb(128,128,128)">/////////////////////</span><span style="color: rgb(0,128,0)">/
 </span><span style="color: rgb(128,128,128)">//////////////////////////////////////////
</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">用AddString方法创建字符串 </span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> myGraphicsPath.AddString(stringText, family, fontStyle, emSize, origin, format); 

 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">将控件的Region属性设置为上面创建的GraphicsPath对象 </span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> CustomButton.Region </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> Region(myGraphicsPath); 

 }



 </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> Form1()
 {
 InitializeComponent();
 }





 }
}

</span></div>
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