✔ 最佳答案
New Size(width, height)
Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage
End Sub
Private Sub PictureBox1_MouseHover(ByVal sender As Object, ByVal e As System.EventArgs) Handles PictureBox1.MouseHover
PictureBox1.Size = New Size(120, 120)
End Sub
Private Sub PictureBox1_MouseLeave(ByVal sender As Object, ByVal e As System.EventArgs) Handles PictureBox1.MouseLeave
PictureBox1.Size = New Size(79, 79)
End Sub