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nbsp; Lab4.ForeColor = System.Drawing.SystemColors.ActiveCaptionText Lab4.Font = New System.Drawing.Font("宋体", 12!, System.Drawing.FontStyle.Bold) Lab4.TabIndex = 9 PictureBox1.Cursor = System.Drawing.Cursors.Hand PictureBox1.BackgroundImage = CType(resources.GetObject("PictureBox1.BackgroundImage"), System.Drawing.Image) PictureBox1.Location = New System.Drawing.Point(8, 8) PictureBox1.Size = New System.Drawing.Size(176, 168) PictureBox1.TabIndex = 0 PictureBox1.TabStop = False Button1.Location = New System.Drawing.Point(304, 48) Button1.ForeColor = System.Drawing.SystemColors.ControlLightLight Button1.Size = New System.Drawing.Size(24, 120) Button1.TabIndex = 2 Button1.Text = "退出" Me.Text = "Form1" Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14) Me.BorderStyle = System.WinForms.FormBorderStyle.None Me.BackColor = System.Drawing.Color.Black Me.ClientSize = New System.Drawing.Size(344, 256) Me.Opacity = 0.8# Me.Controls.Add(Label2) Me.Controls.Add(Lab4) Me.Controls.Add(Lab3) Me.Controls.Add(Lab2) Me.Controls.Add(LBblue) Me.Controls.Add(LBgreen) Me.Controls.Add(LBred) Me.Controls.Add(Button1) Me.Controls.Add(Label1) Me.Controls.Add(PictureBox1) End Sub #End Region 上面一段#Region " Windows Form Designer generated code "是不必看的, 我全部写在这里是为了您可以直接粘贴运行 Sub me_load() system.WinForms.MessageBox.show("欢迎使用我的第一个VB.Net程序", "微型取色器", messagebox.OK BitOr messagebox.IconAsterisk) End Sub Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) ''''sender是发送数据的对象,e是按收参数的对象 End ''''退出程序 End Sub Protected Sub PictureBox1_Click(ByVal sender As Object, ByVal e As System.EventArgs) ''''sender是发送数据的对象,e是按收参数的对象 If apr = True Then system.WinForms.MessageBox.show("请将鼠标重新移入再次取色", "微型取色器", messagebox.OK BitOr messagebox.IconAsterisk) apr = True ''''选定色彩以后,RGB的分析就停止 label2.BackColor = label1.BackColor ''''把源色彩传到目的色彩 End Sub Public Function Getpixel() As System.Drawing.Color ''''这个也是函数的一个Alias Dim PM As System.Drawing.Bitmap ''''声明一个对象 PM = PictureBox1.BackgroundImage ''''设置一个实例(注意前面的Option Strict Off不能少) Return pm.GetPixel(pixX, pixY) ''''使用Return返回一个值给函数,这是调用system.drawing.bitmap类的getpixel函数 ''''如果是一个成员过程,不是一个函数,请用调用过程的方法调用,如system.drawing.bitmap类的setpixel过程: ''''Public Sub Setpixel(ByVal X As Integer, ByVal Y As Integer, ByVal pColor As System.Drawing.Color) ''''Dim PM As System.Drawing.Bitmap 上一页 [1] [2] [3] [4] [5] 下一页 [常用软件]office2000FAQ(三) [常用软件]评测:Gmail Beta(三) [VB.NET程序]把握VB.NET中的流(Stream) (三) [Delphi程序]Integer GUID和Comb做主键的效率测试(Delphi+acce… [网页制作]DreamwaverMX与ASP.NET(三) [其他]让你的应用程序不再对数据库的改动“感冒”(三) [ORACLE]ORACLE SQL性能优化系列 (三) [ORACLE]Oracle & JSP 开发的小型信息管理系统 (三) 源代码… [MySql]MySQL入门学习 三
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