使用vb.net中的文件名从文件夹中删除图像
我有一个备份文件夹,在加载图像时将其存储在该文件夹中。因此,当从选中列表框中删除图像时,我需要从备份文件夹中删除该图像 那我该怎么做呢使用vb.net中的文件名从文件夹中删除图像,vb.net,image,delete-file,Vb.net,Image,Delete File,我有一个备份文件夹,在加载图像时将其存储在该文件夹中。因此,当从选中列表框中删除图像时,我需要从备份文件夹中删除该图像 那我该怎么做呢 If CheckedListBox1.Items.Count = 0 Then MsgBox("Please load the images", MsgBoxStyle.Critical) Else If Thumbcontrol1.SelectedThumbnail Is Nothing Then
If CheckedListBox1.Items.Count = 0 Then
MsgBox("Please load the images", MsgBoxStyle.Critical)
Else
If Thumbcontrol1.SelectedThumbnail Is Nothing Then
MsgBox("Please select the thumbnail to remove", MsgBoxStyle.Information)
Else
CheckedListBox1.Items.Remove(CheckedListBox1.SelectedItem)
Thumbcontrol1.RemoveSelectedThumbnail()
If CheckedListBox1.Items.Count > 0 Then
CheckedListBox1.SelectedIndex = CInt(index)
End If
If CheckedListBox1.Items.Count = 0 Then
Thumbcontrol1.BackgroundImage = My.Resources.backimage
frmDisplay.GCanvas1.Image = Nothing
End If
End If
End If
通过提供方法的文件路径,您可以使用System.IO.File类中的方法删除文件
System.IO.File.Delete("path\to\file")
如果不详细说明示例代码对回答问题的贡献,这不是一个正确的答案
Imports System.Data.OleDb
Public Class Form2
Dim cn As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" & Application.StartupPath & "\dv.accdb;")
Dim cm As New OleDbCommand
Dim bytImage() As Byte
Private Sub btnbrowse_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnbrowse.Click
Dim dialog As New OpenFileDialog()
dialog.Title = "Browse Picture"
dialog.Filter = "Image Files(*.BMP;*.JPG;*.GIF;*.PNG)|*.BMP;*.JPG;*.GIF;*.PNG"
If dialog.ShowDialog() = Windows.Forms.DialogResult.OK Then
PictureBox1.Image = Image.FromFile(dialog.FileName)
End If
End Sub
Private Sub btnsave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnsave.Click
Try
Dim ms As New System.IO.MemoryStream
Dim bmpImage As New Bitmap(PictureBox1.Image)
bmpImage.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg)
bytImage = ms.ToArray()
ms.Close()
Catch ex As Exception
MsgBox(ex.Message)
End Try
cn.Open()
cm.Connection = cn
cm.CommandType = CommandType.Text
cm.CommandText = "INSERT INTO `pic1` (pic) VALUES (@image)"
cm.Parameters.AddWithValue("@image", bytImage)
cm.ExecuteNonQuery()
cn.Close()
MsgBox("Image Saved.")
End Sub