因此,我一直在將這個圖形轉換程序放在一起,突然發生了一些我無法弄清楚的變化,導致應用程序無法響應。菜單不再起作用,它應該在一個面板上繪製座標軸和網格......沒有任何東西。有任何想法嗎?C#/ Windows窗體:應用程序運行但無響應
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace Transformer
{
public partial class Transformer : Form
{
/* Initialize parameters */
private bool drawAxes = true;
private bool drawGrid = true;
private List<ObjectSettings> dispObjects = new List<ObjectSettings>();
/* Initialize form */
public Transformer()
{
InitializeComponent();
}
private void Transformer_Load(object sender, EventArgs e)
{
// Populate available objects listbox
string currentDir = Directory.GetCurrentDirectory();
string[] fileEntries = Directory.GetFiles(currentDir + @"\Objects");
foreach (string s in fileEntries) {
int start = s.LastIndexOf(@"\");
int end = s.LastIndexOf(@".");
availObjectsListBox.Items.Add(s.Substring(start + 1, end - start - 1));
} // end foreach
}
/* Paint graphics */
// Paint main form
private void Transformer_Paint(object sender, PaintEventArgs e)
{
}
// Paint graphics panel
private void splitContainer2_Panel1_Paint(object sender, PaintEventArgs e)
{
Rectangle r = splitContainer2.Panel1.ClientRectangle;
Graphics g = splitContainer2.Panel1.CreateGraphics();
Pen axisPen = new Pen(Color.Gray, 2.0f);
Pen gridPen = new Pen(Color.Gray, 1.0f);
g.Clear(Color.White);
if (drawAxes) {
g.DrawLine(axisPen, r.Left + 0.5f * r.Width, r.Top, r.Left + 0.5f * r.Width, r.Bottom);
g.DrawLine(axisPen, r.Left, r.Top + 0.5f * r.Height, r.Right, r.Top + 0.5f * r.Height);
}
if (drawGrid) {
// Vertical lines
int xVal = 0;
int xCenter = r.Width/2;
g.DrawLine(gridPen, xCenter, r.Top, xCenter, r.Bottom);
for (int i = 0; i < 10; i++) {
xVal += r.Width/20;
g.DrawLine(gridPen, xCenter + xVal, r.Top, xCenter + xVal, r.Bottom);
g.DrawLine(gridPen, xCenter - xVal, r.Top, xCenter - xVal, r.Bottom);
}
// Horizontal lines
int yVal = 0;
int yCenter = r.Height/2;
g.DrawLine(gridPen, r.Left, yCenter, r.Right, yCenter);
for (int i = 0; i < 10; i++) {
yVal += r.Height/20;
g.DrawLine(gridPen, r.Left, yCenter + yVal, r.Right, yCenter + yVal);
g.DrawLine(gridPen, r.Left, yCenter - yVal, r.Right, yCenter - yVal);
}
}
// foreach object in displayed objects
// keep list of displayed objects and their settings (make struct)
g.Dispose();
axisPen.Dispose();
gridPen.Dispose();
}
/* File menu */
private void saveImageToolStripMenuItem_Click(object sender, EventArgs e)
{
}
private void exitToolStripMenuItem_Click(object sender, EventArgs e)
{
Close();
}
/* Options menu */
private void axesOnoffToolStripMenuItem_Click(object sender, EventArgs e)
{
if (drawAxes == true)
drawAxes = false;
else
drawAxes = true;
}
private void gridOnoffToolStripMenuItem_Click(object sender, EventArgs e)
{
if (drawGrid == true)
drawGrid = false;
else
drawGrid = true;
}
/* Help menu */
private void helpToolStripMenuItem_Click(object sender, EventArgs e)
{
AboutBox dlg = new AboutBox();
dlg.ShowDialog();
}
/* Other stuff */
private void timer1_Tick(object sender, EventArgs e)
{
Invalidate();
}
// ">>" button
private void availToDispButton_Click(object sender, EventArgs e)
{
dispObjectsListBox.Items.Add(availObjectsListBox.SelectedItem);
}
// "<<" button
private void dispToAvailButton_Click(object sender, EventArgs e)
{
availObjectsListBox.Items.Add(dispObjectsListBox.SelectedItem);
dispObjectsListBox.Items.Remove(dispObjectsListBox.SelectedItem);
}
// Clear all button
private void clearAllButton_Click(object sender, EventArgs e)
{
}
// Update preview box
private void availObjectsListBox_SelectedIndexChanged(object sender, EventArgs e)
{
}
}
}
謝謝!
「一些變化我想不通做出了反應遲鈍的應用程序」 - 這是版本控制的目的。 ;) – 2009-11-30 06:41:33
如果你仍然有工作副本的組裝,你可以使用反射工具對其進行反向工程。比較兩者並查看是否可以找到差異。 – 2009-11-30 07:00:32