TreeView控制元件操作開發篇之（五）
阿新 • • 發佈：2019-02-19
#region 載入資料夾及檔案到樹
/// <summary>
/// 載入資料夾檔案到樹控制元件
/// </summary>
/// <param name="Tv">TreeView</param>
/// <param name="DirPath">要載入的資料夾路徑</param>
/// <param name="ImgList">ImageList</param>
/// <returns>True/False</returns>
public bool LoadDirAndFiles(TreeView Tv, string DirPath, ImageList ImgList)
{
try
{
Tv.Nodes.Clear();
Tv.ImageList = ImgList;
//遍歷資料夾
foreach (DirectoryInfo Dir in new DirectoryInfo(DirPath).GetDirectories())
{
TreeNode TN = new TreeNode();
TN.Text = Dir.Name;
TN.Tag = Dir.FullName;
SetTreeNodeIcon(TN, "Dir", ImgList);
Tv.Nodes.Add(TN);
ForLoadDirAndFiles(TN, Dir, ImgList);
//遍歷資料夾下的檔案
foreach (FileInfo File in Dir.GetFiles())
{
TreeNode FTn = new TreeNode();
FTn.Text = File.Name;
FTn.Tag = File.FullName;
SetTreeNodeIcon(FTn, File.Extension, ImgList);
TN.Nodes.Add(FTn);
}
}
//遍歷資料夾下的檔案
foreach (FileInfo file in new DirectoryInfo(DirPath).GetFiles())
{
TreeNode aTn = new TreeNode();
aTn.Text = file.Name;
aTn.Tag = file.FullName;
SetTreeNodeIcon(aTn, file.Extension, ImgList);
Tv.Nodes.Add(aTn);
}
return true;
}
catch
{
return false;
}
}
/// <summary>
///載入傳入的資料夾檔案列表
/// </summary>
/// <param name="CurrTn">樹節點</param>
/// <param name="CurrDir">資料夾</param>
private void ForLoadDirAndFiles(TreeNode CurrTn, DirectoryInfo CurrDir, ImageList ImgList)
{
//遍歷CurrDir資料夾下的資料夾
foreach (DirectoryInfo aDir in CurrDir.GetDirectories())
{
TreeNode TN = new TreeNode();
TN.Text = aDir.Name;
TN.Tag = aDir.FullName;
SetTreeNodeIcon(TN, "dir", ImgList);
CurrTn.Nodes.Add(TN);
// 遍歷檔案下的檔案
foreach (FileInfo File in aDir.GetFiles())
{
TreeNode aNode = new TreeNode();
aNode.Text = File.Name;
aNode.Tag = File.FullName;
TN.Nodes.Add(aNode);
SetTreeNodeIcon(TN, File.Extension, ImgList);
}
ForLoadDirAndFiles(TN, aDir, ImgList);
}
}
/// <summary>
/// 設定節點的圖示
/// </summary>
/// <param name="Tn">節點</param>
/// <param name="strLX"></param>
/// <param name="ImgList">影象</param>
private void SetTreeNodeIcon(TreeNode Tn, string strLX,ImageList ImgList)
{
strLX = strLX.Replace('.',' ');
if (strLX.ToLower() == "dir") //目錄
{
Tn.ImageIndex = ImgList.Images.IndexOfKey("close");
Tn.SelectedImageIndex = ImgList.Images.IndexOfKey("open");
}
else
{
Tn.ImageIndex = ImgList.Images.IndexOfKey(strLX.Trim());
Tn.SelectedImageIndex = ImgList.Images.IndexOfKey(strLX.Trim());
}
}
#endregion
#region 載入資料夾到樹
/// <summary>
/// 載入資料夾
/// </summary>
/// <param name="TV">TreeView</param>
/// <param name="DirPath">要載入的資料夾路徑</param>
/// <param name="ImgList">ImageList</param>
/// <returns></returns>
public bool LoadDirectories(TreeView TV, string DirPath,ImageList ImgList)
{
try
{
TV.Nodes.Clear();
TV.ImageList = ImgList;
foreach (DirectoryInfo Dir in new DirectoryInfo(DirPath).GetDirectories())
{
TreeNode TN = new TreeNode();
TN.Text = Dir.Name;
TN.Tag = Dir.FullName;
SetTreeNodeIcon(TN, "Dir", ImgList);
TV.Nodes.Add(TN);
ForLoadDirs(TN, Dir, ImgList);
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 遞迴資料夾
/// </summary>
/// <param name="Tn"></param>
/// <param name="Dir"></param>
/// <param name="ImgList"></param>
private void ForLoadDirs(TreeNode Tn, DirectoryInfo Dir, ImageList ImgList)
{
foreach (DirectoryInfo directory in Dir.GetDirectories())
{
TreeNode t = new TreeNode();
t.Text = directory.Name;
t.Tag = directory.FullName;
SetTreeNodeIcon(Tn, "dir", ImgList);
Tn.Nodes.Add(t);
ForLoadDirs(t, directory, ImgList);
}
}
#endregion