Foxtable(狐表)用户栏目专家坐堂 → [求助]ListView支持拖拽显示图片吗


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主题:[求助]ListView支持拖拽显示图片吗

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[求助]ListView支持拖拽显示图片吗  发帖心情 Post By:2018/4/13 16:56:00 [只看该作者]

先把窗口中的ListView控件绑定数据表的[图片]列;当鼠标向ListView控件拖拽图片文件时,获取图片路径及名称;
数据表增加一行,[图片]列取文件名,再自动复制一份图片文件到项目Attachments下。最后生成ListView,这种想法是否可行?

以前有个向面板拖拽的例子,能否修改为向ListView控件拖拽
请老师指教,谢谢!


'全局代码
Public Sub picture_DragDrop(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs)
Dim paths As object() = e.Data.GetData(Windows.Forms.DataFormats.FileDrop)
For Each path As object In paths
    msgbox(path)
Next
sender.Cursor = System.Windows.Forms.Cursors.IBeam
End Sub

Public Sub picture_DragEnter(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs)
If (e.Data.GetDataPresent(Windows.Forms.DataFormats.FileDrop)) Then
    e.Effect = Windows.Forms.DragDropEffects.Link
    sender.Cursor = System.Windows.Forms.Cursors.Arrow
Else
    e.Effect = Windows.Forms.DragDropEffects.None
End If
End Sub

'--------------------------------
窗口AfterLoad

Dim t As windows.Forms.panel = e.Form.Controls("panel1").basecontrol
t.AllowDrop = True

AddHandler t.DragDrop, AddressOf picture_DragDrop
AddHandler t.DragEnter, AddressOf picture_DragEnter

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