自动加载图片:
private void FrmPicListView_Load(object sender, EventArgs e)
{
listView1.View = View.LargeIcon;
listView1.MultiSelect = true;
string[] files = GetImages();
if (files != null)
{
ImageList list = GetImage(files);
listView1.Tag = files;
if (listView1.LargeImageList == null)
{
listView1.LargeImageList = new ImageList();
listView1.LargeImageList.ImageSize = new Size(60, 80);
}
for (int i = 0; i < list.Images.Count; i++)
{
listView1.LargeImageList.Images.Add(list.Images.Keys[i], list.Images[i]);
list.Images[i].Dispose();
listView1.Tag = files[i];
}
int count = listView1.Items.Count;
if (files.Length == list.Images.Count)
{
for (int i = count; i < count + files.Length; i++)
{
int index = i - count;
FileInfo info = new FileInfo(files[index]);
if (!listView1.Items.ContainsKey(files[index]))
{
listView1.Items.Add(files[index], info.Name, i);
}
else
{
MessageBox.Show("已存在此图片:" + files[index] + ",不能重复添加!");
}
}
}
}
}
private ImageList GetImage(string[] files)
{
ImageList list = new ImageList();
for (int i = 0; i < files.Length; i++)
{
Image image = Image.FromFile(files[i]);
list.Images.Add(files[i], Image.FromFile(files[i]));
list.ImageSize = new Size(60, 80);
}
return list;
}
private int NumOfFiles;
private string[] imgName;
private string[] imgExtension;
private string[] GetImages()
{
FileInfo FInfo;
imgName = Directory.GetFiles(Application.StartupPath + @"\FlashPath\asset\photos");
NumOfFiles = imgName.Length;
imgExtension = new string[NumOfFiles];
for (int i = 0; i < NumOfFiles; i++)
{
FInfo = new FileInfo(imgName[i]);
imgExtension[i] = FInfo.Extension;
}
return imgName;
}
批量删除代码:
private void butDelete_Click(object sender, EventArgs e)
{
try
{
if (this.listView1.CheckedItems.Count > 0)
{
for (int i = 0; i < listView1.CheckedItems.Count;i++ )
{
if (listView1.CheckedItems[i].Checked)
{
listView1.Items.Remove(listView1.CheckedItems[i]);
PathName = listView1.CheckedItems[i].Name;
File.Delete(PathName);
}
}
}
else
{
MessageBox.Show("请先选择要删除的图片!", "信息提示");
}
}
catch (Exception ex)
{
MessageBox.Show("批量删除失败:" + ex.Message);
}
}
}