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What is the different between 'Auto' and '*' when setting width/height for a grid column?
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We're talking in the context of WPF Grid here? My answer will talk about columns, but the same applies to rows.
In brief:
- Auto means size to column content and
- * means size proportional to grid
Auto means that a column is given as much width as the e...
Create MSI or setup project with Visual Studio 2012
...lish tab in the project properties window.
NB: This method only works for WPF & Windows Forms apps.
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一个组件怎么悬浮在另一个组件上面？ - App Inventor 2 拓展 - 清泛IT社区...
请问下，一个组件怎么悬浮在另一个组件上面？并且可以随意改变悬浮组件的外观？？比如我想把 圆形进度条 悬浮在屏幕上，提示正在搜索或者下载。。要怎么做？或者是什么扩展能做到？https://puravidaapps.com/extensions.php
页...
Passing an enum value as command parameter from XAML
I want to pass an enum value as command parameter in WPF, using something like this:
4 Answers
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Cross-thread operation not valid: Control accessed from a thread other than the thread it was create
...o understand basic concepts. The link navigates to page that describes the WPF threading model. However, Windows Forms utilizes the same idea.
The UI Thread
There is only one thread (UI thread), that is allowed to access System.Windows.Forms.Control and its subclasses members.
Attempt to access m...
AppInventor2实现蓝牙开启提醒，当蓝牙未开启时弹窗提醒用户开启蓝牙 - 创...
1、代码如下：
当蓝牙未启用时，会自动弹出交互框，让用户选择启用手机蓝牙。
当蓝牙已启用时，这2个代码块将没有任何效果（不提醒也不报错）。
2、也可加一个判断，代码如下：
3、蓝牙开启提醒的交互效果如...
Change Canvas.Left property in code behind?
...rty, 50d);
There is a group of methods on DependencyObject (base of most WPF classes) which allow the common access to all dependency properties. They are
SetValue
GetValue
ClearValue
Edit Updated the set to use a double literal since the target type is a double.
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phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...有按照类别浏览的功能，本文正是为了弥补这个不足。
在需要调用类别的地方，比如列表页，首先写循环前面加一句把类别缓存加载进来：
<?php $TYPE = getcache('type_content','commons');?>
然后在循环里写：
<a href="index.php?m=content&c=typ...
Windows重置网络命令 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...etsh winsock reset回车，重启电脑，即可重置网络连接配置。在一般的网络连接问题中，这...启动cmd.exe命令提示窗口，输入以下命令：
命令：netsh winsock reset
回车，重启电脑，即可重置网络连接配置。
在一般的网络连接问...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...其可见性bpftrace安装请参考：bpftrace-install。1、查看程序在打开哪些文件： bpftrace -e & 39;tracepoint:syscalls:sys_enter_open { printf("%s %s n
图：BPF性能工具及其可见性
bpftrace安装请参考：bpftrace-install 。
1、查看哪些程序（如head,tail...