本文介绍了通过轨迹栏在图片框中加载图片(Windows)的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如果跟踪栏位于1%上,则图像也将加载,例如从左到右的选取框仅占1%,并且跟踪栏将变为2,3,4,5,6 ..... 100%,因此图像也应根据轨迹栏加载.
If track bar is on 1% then the image will also load, like marquee from left to right only 1%, and track bar will go 2,3,4,5,6.....100%, so image should also load according to the trackbar.
using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Threading;
//Created by Raj Kumar Shukla @ 22*09*2012
namespace toolStripContainer
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
double i;
Image img = Image.FromFile("23.jpg");
private void Form1_Load(object sender, EventArgs e)
{
backgroundWorker1.RunWorkerAsync();
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
for (i = 1; i <= 100;)
{
Thread.Sleep(100);
backgroundWorker1.ReportProgress(Convert.ToInt32(i));
i =i+0.2 ;
}
}
private void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
pictureBox1.Image = img;
pictureBox1.Height = img.Height;
pictureBox1.Width = img.Width;
progressBar1.Value = e.ProgressPercentage;
if (e.ProgressPercentage < 100)
{
this.Text ="Image loading Plz wait....";
menuStrip1.Enabled = false;
}
else
{
this.Text = "Image Loading Completed";
menuStrip1.Enabled = true;
}
trackBar1.Value = e.ProgressPercentage;
pictureBox1.Width = e.ProgressPercentage * 10;
}
public void openToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Title = "Open Photo";
dlg.Filter = "jpg files (*.jpg)|*.jpg";
if (dlg.ShowDialog() == DialogResult.OK)
{
img = new Bitmap(dlg.OpenFile());
}
dlg.Dispose();
backgroundWorker1.RunWorkerAsync();
}
private void button1_Click(object sender, EventArgs e)
{
}
}
}
[edit]添加了代码块,我将内容从问题的答案中移了出来-OriginalGriff [/edit]
[edit]Code block added, I moved the content from an Answer to the question - OriginalGriff[/edit]
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