Imports System.IO
Public Class Form1
Dim m_MouseIsDown
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
' Enable dropping.
PictureBox1.AllowDrop = True
PictureBox2.AllowDrop = True
PictureBox3.AllowDrop = True
PictureBox4.AllowDrop = True
PictureBox5.AllowDrop = True
End Sub
Private Sub PictureBox1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles PictureBox1.MouseDown
If Not PictureBox1.Image Is Nothing Then
' Set a flag to show that the mouse is down.
m_MouseIsDown = True
End If
End Sub
Private Sub PictureBox1_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles PictureBox1.MouseMove
If m_MouseIsDown Then
' Initiate dragging and allow either copy or move.
PictureBox1.DoDragDrop(PictureBox1.Image, DragDropEffects.Copy Or DragDropEffects.Move)
End If
m_MouseIsDown = False
End Sub
Private Sub PictureBox2_DragEnter(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles PictureBox2.DragEnter
If e.Data.GetDataPresent(DataFormats.Bitmap) Then
' Check for the CTRL key.
If e.KeyState = 9 Then
e.Effect = DragDropEffects.Copy
Else
e.Effect = DragDropEffects.Move
End If
Else
e.Effect = DragDropEffects.None
End If
End Sub
Private Sub PictureBox2_DragDrop(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles PictureBox2.DragDrop
' Assign the image to the PictureBox.
PictureBox2.Image = e.Data.GetData(DataFormats.Bitmap)
' If the CTRL key is not pressed, delete the source picture.
If Not e.KeyState = 8 Then
PictureBox1.Image = Nothing
End If
End Sub
Private Sub PictureBox3_DragDrop(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles PictureBox3.DragDrop
' Assign the image to the PictureBox.
PictureBox3.Image = e.Data.GetData(DataFormats.Bitmap)
' If the CTRL key is not pressed, delete the source picture.
If Not e.KeyState = 8 Then
PictureBox1.Image = Nothing
End If
End Sub
Private Sub PictureBox3_DragEnter(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles PictureBox3.DragEnter
If e.Data.GetDataPresent(DataFormats.Bitmap) Then
' Check for the CTRL key.
If e.KeyState = 9 Then
e.Effect = DragDropEffects.Copy
Else
e.Effect = DragDropEffects.Move
End If
Else
e.Effect = DragDropEffects.None
End If
End Sub
Private Sub PictureBox4_DragDrop(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles PictureBox4.DragDrop
' Assign the image to the PictureBox.
PictureBox4.Image = e.Data.GetData(DataFormats.Bitmap)
' If the CTRL key is not pressed, delete the source picture.
If Not e.KeyState = 8 Then
PictureBox1.Image = Nothing
End If
End Sub
Private Sub PictureBox4_DragEnter(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles PictureBox4.DragEnter
If e.Data.GetDataPresent(DataFormats.Bitmap) Then
' Check for the CTRL key.
If e.KeyState = 9 Then
e.Effect = DragDropEffects.Copy
Else
e.Effect = DragDropEffects.Move
End If
Else
e.Effect = DragDropEffects.None
End If
End Sub
Private Sub PictureBox5_DragDrop(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles PictureBox5.DragDrop
' Assign the image to the PictureBox.
PictureBox5.Image = e.Data.GetData(DataFormats.Bitmap)
' If the CTRL key is not pressed, delete the source picture.
If Not e.KeyState = 8 Then
PictureBox1.Image = Nothing
End If
End Sub
Private Sub PictureBox5_DragEnter(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles PictureBox5.DragEnter
If e.Data.GetDataPresent(DataFormats.Bitmap) Then
' Check for the CTRL key.
If e.KeyState = 9 Then
e.Effect = DragDropEffects.Copy
Else
e.Effect = DragDropEffects.Move
End If
Else
e.Effect = DragDropEffects.None
End If
End Sub
Private Sub PictureBox1_DragDrop(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles PictureBox1.DragDrop
' Assign the image to the PictureBox.
PictureBox1.Image = e.Data.GetData(DataFormats.Bitmap)
' If the CTRL key is not pressed, delete the source picture.
If Not e.KeyState = 8 Then
PictureBox2.Image = Nothing
End If
End Sub
Private Sub PictureBox1_DragEnter(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles PictureBox1.DragEnter
If e.Data.GetDataPresent(DataFormats.Bitmap) Then
' Check for the CTRL key.
If e.KeyState = 9 Then
e.Effect = DragDropEffects.Copy
Else
e.Effect = DragDropEffects.Move
End If
Else
e.Effect = DragDropEffects.None
End If
End Sub
Private Sub ListBox1_MouseClick(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles ListBox1.MouseClick
Dim FlashBestanden As New DirectoryInfo("C:\images")
For Each FlashBestand As FileInfo In FlashBestanden.GetFiles("*.jpg")
ListBox1.Items.Add(Path.GetFileNameWithoutExtension(FlashBestand.ToString))
Next
End Sub
Private Sub ListBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ListBox1.SelectedIndexChanged
PictureBox1.Image = System.Drawing.Image.FromFile("C:\images\" & ListBox1.Text & ".jpg")
End Sub
Private Sub PictureBox2_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles PictureBox2.MouseDown
If Not PictureBox2.Image Is Nothing Then
' Set a flag to show that the mouse is down.
m_MouseIsDown = True
End If
End Sub
Private Sub PictureBox2_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles PictureBox2.MouseMove
If m_MouseIsDown Then
' Initiate dragging and allow either copy or move.
PictureBox2.DoDragDrop(PictureBox2.Image, DragDropEffects.Copy Or DragDropEffects.Move)
End If
m_MouseIsDown = False
End Sub
End Class