public static bool Delete(String[] source, IntPtr handle)
{
ShellFileOperation fo = new ShellFileOperation();
fo.Operation = ShellFileOperation.FileOperations.FO_DELETE;
fo.OwnerWindow = handle;
fo.SourceFiles = source;
bool RetVal = fo.DoOperation();
return RetVal;
}
public static bool Copy(String[] source, String[] dest, IntPtr handle)
{
ShellFileOperation fo = new ShellFileOperation();
fo.Operation = ShellFileOperation.FileOperations.FO_COPY;
fo.OwnerWindow = handle;
fo.SourceFiles = source;
fo.DestFiles = dest;
bool RetVal = fo.DoOperation();
return RetVal;
}
private void 添加_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.Multiselect = true;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
ShellFileOperation fo = new ShellFileOperation();
String[] source = openFileDialog1.FileNames;
String[] dest = new String[openFileDialog1.FileNames.Length];
for(int i=0;i<openFileDialog1.FileNames.Length;i++)
dest[i] = FileCore.NewName(workpath + "\\" + Path.GetFileName(openFileDialog1.FileNames[i]));
fo.Operation = FileOperations.FO_COPY;
fo.OwnerWindow = this.Handle;
fo.SourceFiles = source;
fo.DestFiles = dest;
if (!fo.DoOperation())
MessageBox.Show("添加文件过程中出错！", "附件", MessageBoxButtons.OK,MessageBoxIcon.Error);
LoadData(workpath);
}
}
private void 删除_Click(object sender, EventArgs e)
{
ListView.SelectedListViewItemCollection SelectedItem = new ListView.SelectedListViewItemCollection(listView1);
DialogResult d = MessageBox.Show("删除选中的 " + SelectedItem.Count + " 项?", "附件", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
String[] source = new string[SelectedItem.Count];
ShellFileOperation fo = new ShellFileOperation();
fo.Operation = FileOperations.FO_DELETE;
fo.OwnerWindow = this.Handle;
fo.SourceFiles = source;
if (d == DialogResult.Yes)
{
for (int i = 0; i < SelectedItem.Count; i++)
source[i] = workpath + "\\" + SelectedItem[i].Text;
if (!fo.DoOperation())
MessageBox.Show("删除文件过程中出错！", "附件", MessageBoxButtons.OK, MessageBoxIcon.Error);
for (int i = 0; i < SelectedItem.Count; )
listView1.Items.Remove(SelectedItem[i]);
LoadData(workpath);
}
}
protected override void WndProc(ref Message Msg)
{
if (Msg.Msg == 0x0233)// WM_DROPFILES
{
uint FilesCount = Win32API.DragQueryFile((int)Msg.WParam, 0xFFFFFFFF, null, 0);
StringBuilder FileName = new StringBuilder(1024);
ShellFileOperation fo = new ShellFileOperation();
String[] source = new String[FilesCount];
String[] dest = new String[FilesCount];
for (uint i = 0; i < FilesCount; i++)
{
Win32API.DragQueryFile((int)Msg.WParam, i, FileName, 1024);
source[i] = FileName.ToString();
dest[i] = FileCore.NewName(workpath + "\\" + Path.GetFileName(FileName.ToString()));
}
Win32API.DragFinish((int)Msg.WParam);
fo.Operation = FileOperations.FO_COPY;
fo.OwnerWindow = this.Handle;
fo.SourceFiles = source;
fo.DestFiles = dest;
if (!fo.DoOperation())
MessageBox.Show("添加文件过程中出错！", "附件", MessageBoxButtons.OK, MessageBoxIcon.Error);
LoadData(workpath);
return;
}
base.WndProc(ref Msg);
}