本文整理汇总了VB.NET中System.Windows.Forms.ToolStripDropDown.Closing事件的典型用法代码示例。如果您正苦于以下问题:VB.NET ToolStripDropDown.Closing事件的具体用法?VB.NET ToolStripDropDown.Closing怎么用?VB.NET ToolStripDropDown.Closing使用的例子?那么恭喜您, 这里精选的事件代码示例或许可以为您提供帮助。您也可以进一步了解该事件所在类System.Windows.Forms.ToolStripDropDown 的用法示例。
在下文中一共展示了ToolStripDropDown.Closing事件的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。
示例1:
' This method handles the Closing event. The ToolStripDropDown
' control is not allowed to close unless the Done menu item
' is clicked or the Close method is called explicitly.
' The Done menu item is enabled only after both of the other
' menu items have been selected.
Private Sub contextMenuStrip_Closing(sender As Object, e As ToolStripDropDownClosingEventArgs) Handles contextMenuStrip1.Closing
If e.CloseReason <> ToolStripDropDownCloseReason.CloseCalled Then
If subItem1ToolStripMenuItem.Checked AndAlso subItem2ToolStripMenuItem.Checked AndAlso doneToolStripMenuItem.Enabled Then
' Reset the state of menu items.
subItem1ToolStripMenuItem.Checked = False
subItem2ToolStripMenuItem.Checked = False
doneToolStripMenuItem.Enabled = False
' Allow the ToolStripDropDown to close.
' Don't cancel the Close operation.
e.Cancel = False
Else
' Cancel the Close operation to keep the menu open.
e.Cancel = True
Me.toolStripStatusLabel1.Text = "Close canceled"
End If
End If
End Sub
开发者ID:VB.NET开发者,项目名称:System.Windows.Forms,代码行数:23,代码来源:ToolStripDropDown.Closing
注:本文中的System.Windows.Forms.ToolStripDropDown.Closing事件示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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