PowerShell生成WPF炫酷窗口 1

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
}

脚本作者：frankk
脚本出处：WPF v3 DEMO