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@BenjaminArmstrong
Created June 15, 2016 18:00
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Sample PowerShell script to check the pixel value of a virtual machine screen
$VMName = "VM 1"
Add-Type -AssemblyName "System.Drawing"
$VMCS = Get-WmiObject -Namespace root\virtualization\v2 -Class Msvm_ComputerSystem -Filter "ElementName='$($VMName)'"
# Get the resolution of the screen at the moment
$video = $VMCS.GetRelated("Msvm_VideoHead")
$xResolution = $video.CurrentHorizontalResolution[0]
$yResolution = $video.CurrentVerticalResolution[0]
function getVMScreenBMP {
param
(
$VM,
$x,
$y
)
$VMMS = Get-WmiObject -Namespace root\virtualization\v2 -Class Msvm_VirtualSystemManagementService
# Get screenshot
$image = $VMMS.GetVirtualSystemThumbnailImage($VMCS, $x, $y).ImageData
# Transform into bitmap
$BitMap = New-Object System.Drawing.Bitmap -Args $x,$y,Format16bppRgb565
$Rect = New-Object System.Drawing.Rectangle 0,0,$x,$y
$BmpData = $BitMap.LockBits($Rect,"ReadWrite","Format16bppRgb565")
[System.Runtime.InteropServices.Marshal]::Copy($Image, 0, $BmpData.Scan0, $BmpData.Stride*$BmpData.Height)
$BitMap.UnlockBits($BmpData)
return $BitMap
}
(getVMScreenBMP $VMCS $xResolution $yResolution).GetPixel(1,1)
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