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查阅ToolStripDropDown.DropDown.Show(Control,Point)帮助文档,说Control一般是ToolStripDropDownButton,可ToolStripDropDownButton是由Component继承而来,与Control没关系啊,怎么把它当作第一参数传入呢?展开阅读全文
- C# 使用ToolStripDropDown實現下拉框,條例式和多選式
資源地址:... 功能代碼1: using System; using System.ComponentModel; using System.Drawing;...using System.Windows.Forms;...using WebPublicControls.Propertie...
- C#工具栏中ToolStripDropDownButton类型控件使用
C#工具栏中ToolStripDropDownButton类型控件使用
- 用普通按钮控制toolstripdropdown的显示和关闭
自定义下拉框:一个TextBox,一个Button 显示方式采用toolstripdropdown一个问题是点button时,怎么控制dropdown的显示和关闭.在点button时,如果已经显示了(click事件里show),dropdown会关闭后,在次打开,这是由于关闭的...
- TAStudio: Selecting a lot of frames + Copying throws an error.
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control....
- Crashing on load. No idea why, was working fine.
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control....
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QQ的用户信息的显示和QQ表情的显示，不但可以像ToolTip那样不抢占主窗口的激活状态（Active），而且在主窗口失去焦点或者有其他操作的时候就自动关闭了，还可以在上面放任意的控件，而且可以接受用户操作。...
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at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control....
- Unable to open any connections using version 1.2017.1.10
<p>at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) <p>at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) <p>at System.Windows.Forms....
- Trying to make a web shortcut crashes the program.
at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms....
- TAS Studio Crashes when loading a .tasproj file of any kind
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control....
- Recent AppVeyor builds throw errors constantly on Win 7 & 10 when accessing any menus with a game ...
at System.Windows.Forms.ToolStripDropDown.Show() at System.Windows.Forms.ToolStripDropDownItem.ShowDropDownInternal() at System.Windows.Forms.ToolStripDropDownItem.ShowDropDown(Boolean mousePush) ...
- KeyNotFoundException was unhandled when I perform BetaWorld.Open()
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control....
- Could not load file or assembly System.Web
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control....
- Attempting to load certian .dat files give me an exception and don't load
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control....
- Error when trying to create any new map.
em System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) em System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) em System.Windows.Forms.Control....
- V6 won't open/load saved queue file: "Root element is missing.
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control....
- Cant open my own plugin - Object reference not set to an instance of an object.
at System.Windows.Forms.ToolStripDropDown.OnItemClicked(ToolStripItemClickedEventArgs e) at System.Windows.Forms.ToolStrip.HandleItemClick(ToolStripItem dismissingItem) at System.Windows.Forms....
- Microsoft.VisualBasic.PowerPacks.Vs 报错处理
有关调用实时(JIT)调试而不是此对话框的详细信息， 请参见此消息的结尾。 ************** 异常文本 ************** System.IO.FileNotFoundException: 未能加载文件或程序集“Microsoft.VisualBasic.PowerPacks....
- winform窗体中 ComboBox 控件的DropDownWidth属性根据显示的文本设置下拉列表的显示宽度...
1 private void BindCombobox() 2 { 3 if (!GetConn.OpenConn()) 4 { 5 return; 6 } 7 cboRestaurant.DataSource = ...
- Winform组合ComboBox和TreeView实现ComboTreeView
最近做Winform项目需要用到类似ComboBox的TreeView控件。 虽然各种第三方控件很多，但是存在各种版本不兼容问题。所以自己写了个简单的ComboTreeView控件。 下图是实现效果： ...目前实现的比较简单，能满足我项目...
- Exception occurred when add DataGridView editing controls to other control in .Net Core
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) in /_/src/System.Windows.Forms/src/System/Windows/Forms/Control.ControlNativeWindow.cs:line 65 at System.Windows.Forms....
- UIControlTest.7z
使用ToolStripDropDown實現下拉框,條例式下拉框和多選式下拉框
- Random Crashes when clicking on livesplit or attempting to save/close splits
at System.Windows.Forms.ToolStripDropDown.Show(Control control, Point position) at System.Windows.Forms.ContextMenuStrip.ShowInternal(Control source, Point location, Boolean isKeyboardActivated) at...
- C# 获取当前鼠标的位置
使用下面的语句便可得到当前鼠标的位置： Cursor.Position
- C# 写成ActiveX空间后对目录操作没有权限
在使用截图和录像的过程中遇到目录创建不成功的情况。输出的BUG日志System.UnauthorizedAccessException: 对路径“D:\Program Files (x86)\CvNavi\CvVideoOcx\record”的访问被拒绝。 在 System.IO.__Error....
- Form.ShowWithoutActivation 属性
获取一个值，该值指示显示窗口时是否激活它。 命名空间： System.Windows.Forms程序集： System.Windows.Forms（在 System.Windows.Forms.dll 中） ...[BrowsableAttribute(false)] ...protected virtual bool ...
- Fixing menu control type and menu items navigation
- Implement Accessible properties for ToolStripDropDown as menu - Remove not localized DropDown name - Change the fragment navigate to change accessibility tree <p>Items will not have children. ...
- Creating connection: Unable to cast object
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control....
- 不会C# Winform用户界面设计？是因为没有掌握这些控件（建议收藏）
文章目录6.1 常用控件6.1.1 ... 2 列表框和组合框6.2.1 列表框(ListBox)6.2.2 组合框(ComboBox )6.2.3 应用实例6.3 用户交互界面6.3.1 滚动条和进度条6.3.2 定时器6.3.3 菜单设计菜单设计概述MenuStrip和ContextMenuSt
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