所选的多个文件未显示在图片框中

问题描述

//--form is having one flowLayoutPanel1 one fileopen dialog box and 1 button

private void Form1_Load(object sender, EventArgs e)
{
    InitializeOpenFileDialog();
}
private void InitializeOpenFileDialog()
{
    // Set the file dialog to filter for graphics files.
    this.openFileDialog1.Filter =
        "Images (*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF|" +
        "All files (*.*)|*.*";
    // Allow the user to select multiple images.
    this.openFileDialog1.Multiselect = true;
    this.openFileDialog1.Title = "My Image Browser";
}
private void selectFilesButton_Click(object sender, EventArgs e)
{
    DialogResult dr = this.openFileDialog1.ShowDialog();
    if (dr == System.Windows.Forms.DialogResult.OK)
    {
        // Read the files
        foreach (String file in openFileDialog1.FileNames) 
        {
            // Create a PictureBox.
            try
            {
                PictureBox pb = new PictureBox();
                Image loadedImage = Image.FromFile(file);
                pb.Height = loadedImage.Height;
                pb.Width = loadedImage.Width;
                pb.Image = loadedImage;
                flowLayoutPanel1.Controls.Add(pb);
            }
            catch (SecurityException ex)
            {
                // The user lacks appropriate permissions to read files, discover paths, etc.
                MessageBox.Show("Security error. Please contact your administrator for details.\n\n" +
                    "Error message: " + ex.Message + "\n\n" +
                    "Details (send to Support):\n\n" + ex.StackTrace
                );
            }
            catch (Exception ex)
            {
                // Could not load the image - probably related to Windows file system permissions.
                MessageBox.Show("Cannot display the image: " + file.Substring(file.LastIndexOf('\\'))
                    + ". You may not have permission to read the file, or " +
                    "it may be corrupt.\n\nReported error: " + ex.Message);
            }
        }
    }

推荐答案

//Set anchor to all sides
flowLayoutPanel1.Anchor = 
    AnchorStyles.Bottom | AnchorStyles.Top | 
    AnchorStyles.Left | AnchorStyles.Right;

或

or

//set dock to entire form
flowLayoutPanel1.Dock = DockStyle.Fill;

或

or

flowLayoutPanel1.AutoSize = true; //set AutoSize to True

这篇关于所选的多个文件未显示在图片框中的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！