vb.net拖动图片,VB图片移动

VB.NET移动图片问题

窗体加一个timer，interval置为50，然后在timer事件中更改图片的left和height就可以了。如

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[VB.NET]怎样让移动图像显示更快一些...

***怎样让移动图像显示更快一些*** Hide Controls When Setting Properties to Avoid Multiple Repaints Every repaint is expensive. The fewer repaints Visual Basic must perform, the faster your application will appear. One way to reduce the number of repaints is to make controls invisible while you are manipulating them. For example, suppose you want to resize several list boxes in the Resize event for the form: Sub Form_Resize () Dim i As Integer, sHeight As Integer sHeight = ScaleHeight / 4 For i = 0 To 3 lstDisplay(i).Move 0, i * sHeight, _ ScaleWidth, sHeight Next End Sub This creates four separate repaints, one for each list box. You can reduce the number of repaints by placing all the list boxes within a picture box, and hiding the picture box before you move and size the list boxes. Then, when you make the picture box visible again, all of the list boxes are painted in a single pass: 在vb中用move方法移动图片时,速度有些慢,当图片很大时,这时可以用下面的方法: Sub Form_Resize () Dim i As Integer, sHeight As Integer picContainer.Visible = False picContainer.Move 0, 0, ScaleWidth, ScaleHeight sHeight = ScaleHeight / 4 For i = 0 To 3 lstDisplay(i).Move 0, i * sHeight, _ ScaleWidth, sHeight Next picContainer.Visible = True End Sub Note that this example uses the Move method instead of setting the Top and Left properties. The Move method sets both properties in a single operation, saving additional repaints.

vb.net 在Win窗体中如何实现图标或按钮的拖放功能。

VB.NET做的窗体托盘，可以把窗体缩小到任务栏图标，点右键可以触发事件-VB.NET do form tray can form down to the taskbar icon, point right to trigger events

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