C# 如何显示图像预览?更改pictureBox大小并将其移动到窗体中心的步骤
这是表1中的代码:C# 如何显示图像预览?更改pictureBox大小并将其移动到窗体中心的步骤,c#,winforms,C#,Winforms,这是表1中的代码: private void timer1_Tick(object sender, EventArgs e) { try { pictureBox1.Load(file_array_satellite[file_indxs_satellite]); //label12.Visible = true; //label12.
private void timer1_Tick(object sender, EventArgs e)
{
try
{
pictureBox1.Load(file_array_satellite[file_indxs_satellite]);
//label12.Visible = true;
//label12.Text = "Satellite files date and time: " + File.GetCreationTime(file_array_satellite[file_indxs_satellite]);
file_indxs_satellite = file_indxs_satellite - 1;
//pictureBox1.Load(file_array[file_indexs]);
//label10.Visible = true;
//label10.Text = "Radar files date and time: " + File.GetCreationTime(file_array[file_indexs]);
file_indxs_satellite = file_indxs_satellite - 1;
if (file_indxs_satellite < 0)
{
file_indxs_satellite = file_array_satellite.Length - 1;
}
if (file_indxs_satellite < 0)
{
file_indxs_satellite = file_array_satellite.Length - 1;
}
}
catch
{
timer1.Enabled = false;
}
}
private void satellitesToolStripMenuItem_Click(object sender, EventArgs e)
{
file_array_satellite = Directory.GetFiles(UrlsPath, "RainImage*.*");
for (int i = 0; i < file_array_satellite.Length; i++)
{
Image s = new Bitmap(file_array_satellite[i]);
s = resizeImage(s, new Size(100, 100));
s.Save(UrlsPath + "Changed" + i.ToString("D6") + ".jpg");
}
file_array_satellite = Directory.GetFiles(UrlsPath, "Changed*.*");
if (file_array_satellite.Length > 0)
{
DateTime[] creationTimes8 = new DateTime[file_array_satellite.Length];
for (int i = 0; i < file_array_satellite.Length; i++)
creationTimes8[i] = new FileInfo(file_array_satellite[i]).CreationTime;
Array.Sort(creationTimes8, file_array_satellite);
file_indxs_satellite = 0;
file_indxs_satellite = file_array_satellite.Length - 1;
timer1.Enabled = true;
}
}
public static Image resizeImage(Image imgToResize, Size size)
{
return (Image)(new Bitmap(imgToResize, size));
}
private void pictureBox1_MouseEnter(object sender, EventArgs e)
{
}
在构造函数中:
localFilename = @"d:\localpath\";
UrlsPath = @"d:\localpath\Urls\";
我想做的是,当我将鼠标移到pictureBox1区域上时,pictureBox的大小将调整为例如400x400,并将在pictureBox1中以调整大小的大小显示图像,在本例中为400x400
就像预演一样。当我用鼠标移动时,动画将继续移动/播放,但图片框将在窗体的中间,并且像400 x400。更大的尺寸。
我怎么做?在pictureBox1\u鼠标事件中我应该做什么
编辑**
我试过这个:
private void pictureBox1_MouseEnter(object sender, EventArgs e)
{
pictureBox1.Location = new Point(this.Bounds.Width / 2,
this.Bounds.Height / 2);
this.pictureBox1.Size = new Size(500, 500);
this.pictureBox1.SizeMode = PictureBoxSizeMode.CenterImage;
pictureBox1.BringToFront();
}
但pictureBox不在中间,大小不变。为什么?
在原来的图片盒大小是100100也在硬盘上的文件,我把他们改为100100,它的工作良好
一旦我将鼠标移到pictureBox上,它就不会移动到中心,也不会调整大小到500500
表格1的大小是800600
我希望图片盒显示在表单的中心,尺寸更大,500500或700500
怎么了?您应该通过
PictureBox.SizeMode
调整图像大小,这样图像将填充PictureBox。然后使用MouseEnter
和MouseLeave
事件调整PictureBox的大小。它的大小将随里面的图片一起调整。rum我编辑了我的问题,添加了我所做的mouseenter事件的一部分,但它不起作用。请尝试this.pictureBox1.SizeMode=PictureBoxSizeMode.StretchImage
或this.pictureBox1.SizeMode=PictureBoxSizeMode.Zoom代码>
private void pictureBox1_MouseEnter(object sender, EventArgs e)
{
pictureBox1.Location = new Point(this.Bounds.Width / 2,
this.Bounds.Height / 2);
this.pictureBox1.Size = new Size(500, 500);
this.pictureBox1.SizeMode = PictureBoxSizeMode.CenterImage;
pictureBox1.BringToFront();
}