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  • DevExpress之进度条 (转)

    progressBarControl和marqueeProgressBarControl

    一.progressBarControl

    progressBarControl是一个进度条控件

    几个重要参数

    Minimum------------------进度最小数值

    Maximum-----------------进度最大数值

    Step----------------------每走一步的数值

    Position ------------------当前值

    EditValue-----------------编辑值

    ProgressViewStyle--------样式(其实我没看出什么区别)

    ShowTitle-----------------是否显示标题(没有设置显示百分比的时候一般显示value值)

    PercentView---------------是否显示百分比(需要ShowTitle为true)

    ProgressKind-------------进度条方向(横向/纵向),这只是进度的显示方向,具体控件还要自己把它拉成横向或者纵向

    TextOrientation-----------进度条文本显示方向(横向/纵向)

    方法

     PerformStep() -----------进度条前进一步

    添加两个进度条,一个横向,一个纵向,并初始化一下参数

    复制代码
                //水平进度条
                progressBarControlH.Properties.Minimum = 0;
                progressBarControlH.Properties.Maximum = 100;
                progressBarControlH.Properties.Step = 1;
                progressBarControlH.Properties.ProgressViewStyle = DevExpress.XtraEditors.Controls.ProgressViewStyle.Solid;
                progressBarControlH.Position = 0;
                progressBarControlH.Properties.ShowTitle = true;
                progressBarControlH.Properties.PercentView = true;
                progressBarControlH.Properties.ProgressKind = DevExpress.XtraEditors.Controls.ProgressKind.Horizontal;
                
    
    
                //垂直进度条
                progressBarControlV.Properties.Minimum = 0;
                progressBarControlV.Properties.Maximum = 100;
                progressBarControlV.Properties.Step = 1;
                progressBarControlV.Properties.ProgressViewStyle = DevExpress.XtraEditors.Controls.ProgressViewStyle.Solid;
                progressBarControlV.Position = 0;
                progressBarControlV.Properties.ShowTitle = true;
                progressBarControlV.Properties.PercentView = true;
                progressBarControlV.Properties.ProgressKind = DevExpress.XtraEditors.Controls.ProgressKind.Vertical;
                progressBarControlV.Properties.TextOrientation = DevExpress.Utils.Drawing.TextOrientation.Horizontal;
    复制代码

    当把进度条设置为纵向的时候一般需要Title或者百分比的显示还是横向的,这样看起来才舒服,所以要设置一下TextOrientation属性

    调用代码:

    复制代码
                for (int i = 0; i < 100; i++)    
                {
                    
                    
                    System.Threading.Thread.Sleep(120);
                    progressBarControlH.PerformStep();
                    progressBarControlV.PerformStep();
                    //progressBarControl1.Position +=1;
                    //progressBarControl1.EditValue = i + 1;
                    //处理当前消息队列中的所有windows消息,不然进度条会不同步
                    System.Windows.Forms.Application.DoEvents();
                }
                progressBarControlH.EditValue = 0;
                progressBarControlV.EditValue = 0;
    复制代码

    让进度条移动有三种方式

    1.改变Position的值

    2.改变EditValue的值

    3.用PerformStep方法

    不过要注意的是,这三种方式后面都要加上System.Windows.Forms.Application.DoEvents(),就是每次改变进度的时候都要让windows处理当前队列的消息,以确保进度条同步,否则可能出现进度条的数据更改了,可是进度没有动的情况

    二.marqueeProgressBarControl

    marqueeProgressBarControl用起来比较简单,但是没有ProgressBarControl的显示进度和百分比的功能

    复制代码
           marqueeProgressBarControlH.Properties.ProgressKind = DevExpress.XtraEditors.Controls.ProgressKind.Horizontal;
                marqueeProgressBarControlH.Properties.ShowTitle = true;
                marqueeProgressBarControlH.Text = "横向读取数据中,请稍等。。。。";
    
                marqueeProgressBarControlV.Properties.ProgressKind = DevExpress.XtraEditors.Controls.ProgressKind.Vertical;
                marqueeProgressBarControlV.Properties.ShowTitle = true;
                marqueeProgressBarControlV.Text = "纵向数据读取中,请稍等";
                marqueeProgressBarControlV.Properties.TextOrientation = DevExpress.Utils.Drawing.TextOrientation.VerticalUpwards;
    复制代码

    最后效果

    https://www.cnblogs.com/fuhai/p/5276662.html

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  • 原文地址:https://www.cnblogs.com/xihong2014/p/13412548.html
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