我要评论怎样在powershell中调用wpf，你知道，我也知道；怎样在powershell中将很长的.net类型名称缩短成别名，你知道，我也知道。但是怎样将这两个知识点融汇贯通，写出一个优雅的demo，并且让你一眼就能看出，这就是wpf，不是别的，也许你以前就知道，而我直到今天才知道，有种相见恨晚的感觉。
先看一下炫酷的效果吧！
powershell之wpf炫酷
# plik: 4_demo_v3_reflection.ps1
#requires -version 3
$akceleratory =
[psobject].
assembly.
gettype("system.management.automation.typeaccelerators")
add-type -assemblyname presentationcore, presentationframework -passthru |
where-object ispublic |
foreach-object {
$class = $_
try {
$akceleratory::add($class.name,$class)
} catch {
"failed to add $($class.name) accelerator pointing to $($class.fullname)"
}
}
[window]@{
opacitymask = [drawingbrush]@{
drawing = [drawinggroup]@{
children = & {
$kolekcja = new-object drawingcollection
$kolekcja.add([geometrydrawing]@{
brush = 'black'
geometry = [ellipsegeometry]@{
radiusx = 0.48
radiusy = 0.48
center = '0.5,0.5'
}
})
$kolekcja.add([geometrydrawing]@{
brush = 'transparent'
geometry = [rectanglegeometry]@{
rect = '0,0,1,1'
}
})
, $kolekcja
}
}
}
background = [lineargradientbrush]@{
opacity = 0.5
startpoint = '0,0.5'
endpoint = '1,0.5'
gradientstops = & {
$stopki = new-object gradientstopcollection
$colors = 'blue', 'green'
foreach ($i in 0..1) {
$stopki.add(
[gradientstop]@{
color = $colors[$i]
offset = $i
}
)
}
, $stopki
}
}
width = 800
height = 400
windowstyle = 'none'
allowstransparency = $true
effect = [dropshadoweffect]@{
blurradius = 10
}
topmost = $true
content = & {
$stos = [stackpanel]@{
verticalalignment = 'center'
horizontalalignment = 'center'
}
$stos.addchild(
[label]@{
content = 'powershell rocks!'
fontsize = 80
fontfamily = 'consolas'
foreground = 'white'
effect = [dropshadoweffect]@{
blurradius = 5
}
}
)
, $stos
}
} | foreach-object {
$_.add_mouseleftbuttondown({
$this.dragmove()
})
$_.add_mouserightbuttondown({
$this.close()
})
$_.showdialog() | out-null
}
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