下列程序的功能是,当一个TextBox控件被拖过一个PictureBox控件时,指针从默认的箭头变为特定的图标,当Text-Box控件被拖到其他地方时,指针恢复到默认的状态。请完成下列程序。 Private Sub Picture1_DragOver(Source As Control, X As Single, Y As Single, State As Integer)Select Case
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下列程序的功能是,当一个TextBox控件被拖过一个PictureBox控件时,指针从默认的箭头变为特定的图标,当Text-Box控件被拖到其他地方时,指针恢复到默认的状态。请完成下列程序。 Private Sub Picture1_DragOver(Source As Control, X As Single, Y As Single, State As Integer)Select Case