［编程］我也来绘图，模拟进度条的控件
想在自己程序的启动部分做一个漂亮的过度效果么？是不是见到别人的程序中在启动时候一个特漂亮的进度条似的东西，很是舒畅啊？下面这个东西，就是这个功能了，支持一个onComplete事件，你可以附加事件上去啦，还支持自定义进度条颜色、边框色、背景色。里面都有详细的注释，相信不用再怎么说明原理了。
usingSystem;
usingSystem.Drawing;
usingSystem.Windows.Forms;
namespaceYoker.Library.FormControl
{
///<summary>
///说明：进度条模拟类
///作者：Yoker.Wu
///原创地址：http://yoker.cnblogs.com/
///</summary>
publicpartialclassProgressBar:Control
{
组件设计器生成的代码
publicProgressBar()
{
InitializeComponent();
}
重新覆盖父类的宽、高度
进度条相关参数
publicdelegatevoidCompleteHandler(objectsender);
publiceventCompleteHandleronComplete;
///<summary>
///开始演示运行
///</summary>
publicvoidStart()
{
while(true)
{
if(width++>=this.Width-5)break;
System.Threading.Thread.Sleep(10);
}
onComplete(this);
}
protectedoverridevoidOnPaint(PaintEventArgspe)
{
base.OnPaint(pe);
//画外边框
pe.Graphics.DrawRectangle((newPen(this.BorderColor,1)),0,0,this.Width-1,this.Height-1);
//画内边距
pe.Graphics.FillRectangle(newSolidBrush(this.BackgroundColor),1,1,this.Width-2,this.Height-2);
//画进度条块
pe.Graphics.FillRectangle(newSolidBrush(this.ProgressBarColor),2,2,width,height);
}
}
}
usingSystem.Drawing;
usingSystem.Windows.Forms;
namespaceYoker.Library.FormControl
{
///<summary>
///说明：进度条模拟类
///作者：Yoker.Wu
///原创地址：http://yoker.cnblogs.com/
///</summary>
publicpartialclassProgressBar:Control
{
组件设计器生成的代码
publicProgressBar()
{
InitializeComponent();
}
重新覆盖父类的宽、高度
进度条相关参数
publicdelegatevoidCompleteHandler(objectsender);
publiceventCompleteHandleronComplete;
///<summary>
///开始演示运行
///</summary>
publicvoidStart()
{
while(true)
{
if(width++>=this.Width-5)break;
System.Threading.Thread.Sleep(10);
}
onComplete(this);
}
protectedoverridevoidOnPaint(PaintEventArgspe)
{
base.OnPaint(pe);
//画外边框
pe.Graphics.DrawRectangle((newPen(this.BorderColor,1)),0,0,this.Width-1,this.Height-1);
//画内边距
pe.Graphics.FillRectangle(newSolidBrush(this.BackgroundColor),1,1,this.Width-2,this.Height-2);
//画进度条块
pe.Graphics.FillRectangle(newSolidBrush(this.ProgressBarColor),2,2,width,height);
}
}
}
要看效果么？使用下面的这个代码就可以啦。
usingSystem;
usingSystem.Windows.Forms;
namespaceYoker.Demo.ProgressBar
{
///<summary>
///在进度条上单击，开始演示。完成后，进度条增加一个双击事件，关闭窗体
///</summary>
classProgram
{
staticvoidMain(string[]args)
{
Formform=newForm();
form.FormBorderStyle=FormBorderStyle.None;
form.Width=320;
form.Height=30;
form.TopLevel=true;
form.StartPosition=FormStartPosition.CenterScreen;
Yoker.Library.FormControl.ProgressBarprogressbar=newYoker.Library.FormControl.ProgressBar();
progressbar.Width=form.Width;
progressbar.Height=form.Height;
progressbar.ProgressBarColor=System.Drawing.Color.DarkGreen;
progressbar.onComplete+=newYoker.Library.FormControl.ProgressBar.CompleteHandler(progressbar_onComplete);
progressbar.Click+=newEventHandler(progressbar_Click);
form.Controls.Add(progressbar);
form.ShowDialog();
}
staticvoidprogressbar_onComplete(objectsender)
{
Yoker.Library.FormControl.ProgressBarprogressbar=senderasYoker.Library.FormControl.ProgressBar;
progressbar.DoubleClick+=newEventHandler(form_DoubleClick);
}
staticvoidform_DoubleClick(objectsender,EventArgse)
{
Application.Exit();
}
staticvoidprogressbar_Click(objectsender,EventArgse)
{
Yoker.Library.FormControl.ProgressBarprogressbar=senderasYoker.Library.FormControl.ProgressBar;
progressbar.Start();
}
}
}
1、oracle-single row function
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usingSystem.Windows.Forms;
namespaceYoker.Demo.ProgressBar
{
///<summary>
///在进度条上单击，开始演示。完成后，进度条增加一个双击事件，关闭窗体
///</summary>
classProgram
{
staticvoidMain(string[]args)
{
Formform=newForm();
form.FormBorderStyle=FormBorderStyle.None;
form.Width=320;
form.Height=30;
form.TopLevel=true;
form.StartPosition=FormStartPosition.CenterScreen;
Yoker.Library.FormControl.ProgressBarprogressbar=newYoker.Library.FormControl.ProgressBar();
progressbar.Width=form.Width;
progressbar.Height=form.Height;
progressbar.ProgressBarColor=System.Drawing.Color.DarkGreen;
progressbar.onComplete+=newYoker.Library.FormControl.ProgressBar.CompleteHandler(progressbar_onComplete);
progressbar.Click+=newEventHandler(progressbar_Click);
form.Controls.Add(progressbar);
form.ShowDialog();
}
staticvoidprogressbar_onComplete(objectsender)
{
Yoker.Library.FormControl.ProgressBarprogressbar=senderasYoker.Library.FormControl.ProgressBar;
progressbar.DoubleClick+=newEventHandler(form_DoubleClick);
}
staticvoidform_DoubleClick(objectsender,EventArgse)
{
Application.Exit();
}
staticvoidprogressbar_Click(objectsender,EventArgse)
{
Yoker.Library.FormControl.ProgressBarprogressbar=senderasYoker.Library.FormControl.ProgressBar;
progressbar.Start();
}
}
}
欢迎大家指正。
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