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Public Class Form1
Private WB As Integer = 100 'largeur button
Private HB As Integer = 40 'hauteur button
Private FCols As Integer = 4 'nb colonnes
Private FRows As Integer = 4 'nb lignes
Private SepX As Integer = 10 'espacement Hor
Private SepY As Integer = 10 'espacement Ver
Private X As Integer
Private Y As Integer
Private Numeros(15) As Integer 'tableau numeros
Private GridButtons(FRows - 1, FCols - 1) As Button 'futile, peut etre eliminé
Public Sub New()
' Cet appel est requis par le concepteur.
InitializeComponent()
' Ajoutez une initialisation quelconque après l'appel InitializeComponent().
Me.Panel1.BorderStyle = BorderStyle.Fixed3D
Me.Panel1.BackColor = Color.White
Me.Size = New Size(FCols * (WB + SepX), FRows * (HB + SepY))
End Sub
Private Sub Form1_Load(sender As Object, e As System.EventArgs) Handles Me.Load
GenNumeros()
CreateBoard()
End Sub
'reset du pave grid
Private Sub ResetButton_Click_1(sender As System.Object, e As System.EventArgs) Handles ResetButton.Click
GenNumeros()
CreateBoard()
End Sub
'tirage au sort des numeros :0...15
Private Sub GenNumeros()
Array.Clear(Numeros, 0, Numeros.Length)
Numeros = GetRandomNumbers(Numeros.Length)
End Sub
'dessin du board
Private Sub CreateBoard()
'clear tout y compris le Panel1 "hote"
Array.Clear(GridButtons, 0, 16)
Me.Panel1.Controls.Clear()
Dim index As Integer = 0
For col As Integer = 0 To FCols - 1
For row As Integer = 0 To FRows - 1
X = row * (WB + SepX)
Y = col * (HB + SepY)
Dim btn As New Button()
Me.Panel1.Controls.Add(btn)
index = Me.Panel1.Controls.IndexOf(btn)
'curseur Croix
btn.Cursor = Cursors.SizeAll
btn.Location = New Point(X, Y)
btn.Size = New Size(WB, HB)
btn.Font = Me.Font
btn.Name = "btn" + Numeros(index).ToString()
btn.Text = Numeros(index).ToString()
'allow drop
btn.AllowDrop = True
If Numeros(index) = 0 Then
btn.BackColor = Color.DarkBlue
Else
btn.BackColor = Color.DarkGreen
End If
AddHandler btn.MouseMove, AddressOf btn_mousemove
AddHandler btn.DragEnter, AddressOf btn_dragenter
AddHandler btn.DragDrop, AddressOf btn_dragdrop
GridButtons(row, col) = btn
Next
Next
End Sub
Private Sub btn_mousemove(sender As Object, e As MouseEventArgs)
If e.Button = MouseButtons.Left Then
Dim btn As Button = CType(sender, Button)
' sender could be btnA or btnB - we dont care
btn.DoDragDrop(btn, DragDropEffects.Copy)
End If
End Sub
Private Sub btn_dragenter(sender As Object, e As DragEventArgs)
If e.Data.GetDataPresent(GetType(Button)) Then
e.Effect = DragDropEffects.Copy
Else
e.Effect = DragDropEffects.None
End If
End Sub
Private Sub btn_dragdrop(sender As Object, e As DragEventArgs)
If e.Data.GetDataPresent(GetType(Button)) = False Then
Exit Sub
End If
' sender == bouton CIBLE
Dim btnDst As Button = CType(sender, Button)
Dim posDst As Point = btnDst.Location
' e.Data == bouton SOURCE
Dim bSrc As Button = CType(e.Data.GetData(GetType(Button)), Button)
Dim posSrc As Point = bSrc.Location
'
Dim pt As Point
If (posDst.X = posSrc.X And posDst.Y = posSrc.Y + SepY + HB) Or
(posDst.X = posSrc.X And posDst.Y = posSrc.Y - SepY - HB) Then 'bouton CIBLE est en HAUT ou BAS
pt = btnDst.Location
' swap locations
btnDst.Location = bSrc.Location
bSrc.Location = pt
ElseIf (posDst.X = posSrc.X + SepX + WB And posDst.Y = posSrc.Y) Or
(posDst.X = posSrc.X - SepX - WB And posDst.Y = posSrc.Y) Then 'bouton CIBLE est à DROITE ou à GAUCHE
pt = btnDst.Location
' swap locations
btnDst.Location = bSrc.Location
bSrc.Location = pt
End If
End Sub
'tirage au sort
Private rand As New Random()
Private Function GetRandomNumbers(n As Integer) As Integer()
Dim dstList As New List(Of Integer)
While dstList.Count < n
Dim number As Integer = rand.Next(0, n)
If Not dstList.Contains(number) Then
dstList.Add(number)
End If
End While
Return dstList.ToArray()
End Function
End Class |
Taquin: déplacement de case
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