发布：2023/12/28 20:14:09作者：管理员 来源：本站 浏览次数：411
1、打开文件
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Multiselect = true;//该值确定是否可以选择多个文件
dialog.Title = "请选择文件夹";
dialog.Filter = "所有文件(*.*)|*.*";
if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string file = dialog.FileName;
}
}
2、打开文件夹
private void button1_Click(object sender, EventArgs e)
{
System.Windows.Forms.FolderBrowserDialog dialog = new System.Windows.Forms.FolderBrowserDialog();
dialog.Description = "请选择Txt所在文件夹";
if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
if (string.IsNullOrEmpty(dialog.SelectedPath))
{
MessageBox.Show(this, "文件夹路径不能为空", "提示");
return;
}
}
}
3、拖拽
private void Form1_Load(object sender, EventArgs e)
{
this.AllowDrop = true;
}
private void Form1_DragEnter(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop))
e.Effect = DragDropEffects.Copy;
else
e.Effect = DragDropEffects.None;
}
private void Form1_DragDrop(object sender, DragEventArgs e)
{
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
// 对拖放的文件进行处理
foreach (string file in files)
{
// 处理文件
Console.WriteLine(file);
}
}
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