[02/03] Drawing a Rectangle

Dear Friends
Can any body tell me how to draw a rectangle on a picture box using mouse .


Regards
kishore

VB Code:

Private FirstClick As Boolean
    Private P1 As Point
    Private P2 As Point
    Private Sub Form1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseDown
        FirstClick = Not FirstClick
        If FirstClick Then
            P1 = New Point(e.X, e.Y)
        Else
            P2 = New Point(e.X, e.Y)
            Pic1.CreateGraphics.DrawRectangle(Pens.Black, P1.X, P1.Y, P2.X, P2.Y)
        End If
    End Sub