c# 打开、保存文件对话框 和 文件夹选择对话框

1、

 OpenFileDialog openImageDialog = new OpenFileDialog();
 openImageDialog.Filter = "Image Files (*.jpg;*.png)|*.jpg;*.png";
 openImageDialog.Multiselect = false;

 if (openImageDialog.ShowDialog() == DialogResult.OK)
 {
    MessageBox.Show(openImageDialog.FileName);
 }
 else
 {
 }

 SaveFileDialog saveImageDialog = new SaveFileDialog();
  saveImageDialog.Filter = "Image Files (*.jpg;*.png)|*.jpg;*.png";
   //openImageDialog.Multiselect = false;

   if (saveImageDialog.ShowDialog() == DialogResult.OK)
   {
       MessageBox.Show(saveImageDialog.FileName);
   }
   else
   {
   }

2、文件夹选择对话框

FolderBrowserDialog folderDlg = new FolderBrowserDialog();
if(folderDlg.ShowDialog()==DialogResult.OK)
    MessageBox.Show(folderDlg.SelectedPath);

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