徐长友 悠游在线作不规则窗体涉及到API的调用和大量的编程,是件很复杂的事情。下面我们可以使用Borland C# Builder轻松的实现一个不规则窗体,以下面用一个示例来讲述其制作过程。一.准备不规则窗体位图 二.窗体的设置三.代码的完成一.准备不规则窗体位图 为了方便起见,我们随便找几个别的软件用的Skin。这里使用金山影霸 2003的安装目录下的skins/ocean/KingDVD_Disable.BMP当然完全可以使用画图工具,制作一个有形状的位图,背景使用一种特别的颜色,如白色。这个颜色会在后面用得上。
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二.窗体的设置1.新建C# Application
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2.选中新建的窗体,设置其相应属性:(1).将 FormBorderStyle 属性设置为 None。(2).将窗体的 BackgroundImage 属性设置为先前面的位图文件。(3).将 TransparencyKey 属性设置为位图文件的背景色,本例中为白色。(此属性告诉应用程序窗体中的哪些部分需要设置为透明。 )(4).加一个picturebox1,就是一关闭位图,点击时关闭应用程序。(5).加一个contextMenu1,添加一菜单项“退出”,将winform的contextMenu设为contextMenu1。按F9运行你的程序,就可以看到你的不规则窗体了。
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三.代码的完成 前面做的窗口还不能移动。加入下面的代码使其能移动起来,帖出完整的示例代码:using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data;namespace SForm{ /// <summary> /// Summary description for WinForm. /// </summary> public class WinForm : System.Windows.Forms.Form { /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; private System.Windows.Forms.ContextMenu contextMenu1; private System.Windows.Forms.MenuItem menuItem1; private Point mouseOffset; //记录鼠标指针的坐标 private bool isMouseDown = false; private System.Windows.Forms.PictureBox pictureBox1; //记录鼠标按键是否按下 public WinForm() { // // Required for Windows Form Designer support // InitializeComponent(); // // TODO: Add any constructor code after InitializeComponent call // } /// <summary> /// Clean up any resources being used. /// </summary> protected override void Dispose (bool disposing) { if (disposing) { if (components != null) { components.Dispose(); } } base.Dispose(disposing); } #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(WinForm)); this.contextMenu1 = new System.Windows.Forms.ContextMenu(); this.menuItem1 = new System.Windows.Forms.MenuItem(); this.pictureBox1 = new System.Windows.Forms.PictureBox(); this.SuspendLayout(); // // contextMenu1 // this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] { this.menuItem1}); // // menuItem1 // this.menuItem1.Index = 0; this.menuItem1.Text = "退出"; this.menuItem1.Click += new System.EventHandler(this.menuItem1_Click); // // pictureBox1 // this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image"))); this.pictureBox1.Location = new System.Drawing.Point(290, 8); this.pictureBox1.Name = "pictureBox1"; this.pictureBox1.Size = new System.Drawing.Size(14, 13); this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.AutoSize; this.pictureBox1.TabIndex = 0; this.pictureBox1.TabStop = false; this.pictureBox1.Click += new System.EventHandler(this.pictureBox1_Click); // // WinForm // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage"))); this.ClientSize = new System.Drawing.Size(365, 235); this.ContextMenu = this.contextMenu1; this.Controls.Add(this.pictureBox1); this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None; this.MaximizeBox = false; this.MinimizeBox = false; this.Name = "WinForm"; this.Text = "WinForm"; this.TransparencyKey = System.Drawing.Color.White; this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.WinForm_MouseDown); this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.WinForm_MouseUp); this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.WinForm_MouseMove); this.ResumeLayout(false); } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new WinForm()); } private void menuItem1_Click(object sender, System.EventArgs e) { this.Close(); } private void WinForm_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) { if (isMouseDown) { Point mousePos = Control.MousePosition; mousePos.Offset(mouseOffset.X, mouseOffset.Y); Location = mousePos; } } private void WinForm_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { int xOffset; int yOffset; if (e.Button == MouseButtons.Left) { xOffset = -e.X - SystemInformation.FrameBorderSize.Width; yOffset = -e.Y - SystemInformation.CaptionHeight - SystemInformation.FrameBorderSize.Height; mouseOffset = new Point(xOffset, yOffset); isMouseDown = true; } } private void WinForm_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) { // 修改鼠标状态isMouseDown的值 // 确保只有鼠标左键按下并移动时,才移动窗体 if (e.Button == MouseButtons.Left) { isMouseDown = false; } } private void pictureBox1_Click(object sender, System.EventArgs e) { this.Close(); } }}注:如果监视器的颜色深度设置大于 24 位,TransparencyKey 设置成白色,窗体的非透明部分还是会显示出来,不知道为什么。有兴趣的朋友交流一下,主页:
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