独立窗口下的有效，主窗口下无效。 - 专家坐堂 - Foxtable(狐表) - 新一代数据库软件，完美融合Access、Foxpro、Excel、vb.net之优势，人人都能掌握的快速软件开发工具!

提示：对象未实例化

Static dropDownHost As Windows.Forms.ToolStripControlHost

Static dropDown As Windows.Forms.ToolStripDropDown

If dropDownHost Is Nothing Then

dropDownHost = New Windows.Forms.ToolStripControlHost(Forms("成品产品管理").Controls("Panel1").BaseControl)

dropDown = New Windows.Forms.ToolStripDropDown

dropDown.Items.Add(dropDownHost)

End If

Dim point As Point = Forms("成品产品管理").BaseForm.PointToScreen(Forms("成品产品管理").Controls("Button2").BaseControl.Bounds.Location)

point.Y += 36

'point.X += 500

dropDown.Show(point)

主题：独立窗口下的有效，主窗口下无效。