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タイトル ： Re^10: Keybd_Eventでのモニターリセット 投稿日 ： 2021/03/18(Thu) 22:28 投稿者 ： 九州男児
| 魔界の仮面弁士さま 大変お世話になっております。 リセットが動作しなかった自作プログラムとは下記のプログラムでしょうか？ 下記の私の自宅PCで試したらリセットが動作しました。 エディション Windows 10 Home バージョン 2004 Release 528372(.NET Framework 4.8) 来週、他の環境でも試してみます。 ありがとうございました。 > グラフィックドライバーの違いが原因なのか、 > OS バージョンに依存する話であるのか…。 > > 当方でも実験してみましたが、リセットされない要因については > 現時点でははっきりしません。 > > > ★ .NET Framework 4.8.4300.0【Windows 10 Pro (20H2)】物理マシン > > 上記環境においては、自作プログラムから GPU をリセットできました。 > > また、[スタート] - [Windows 簡単操作] - [スクリーン キーボード] > からでもリセット可能なことを確認しました。 > > [Ctrl]+[Shift]を押しながらスクリーン キーボードを起動するパターンも > 確認してみましたが、どうやら管理者モードの有無も無関係のようです。 > > > > ★ .NET Framework 4.8.4300.0【Windows 10 Pro (2004)】Hyper-V ゲスト > ★ .NET Framework 4.7.3416.0【Windows 10 Enterprise 2016 LTSB (1607)】Hyper-V ゲスト > ★ .NET Framework 4.7.3620.0【Windows Server 2016 Standard (1607)】Hyper-V ゲスト > > 上記環境においては、自作プログラムからの GPU リセットが動作しませんでした。 > また、スクリーン キーボードからの操作も反応なしです。 > > > Imports System > Imports System.Windows.Forms > Imports System.Runtime.InteropServices > Public Class Form1 > Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load > Text = $"64bitOS={Environment.Is64BitOperatingSystem}, 64bitProc={Environment.Is64BitProcess}, {RuntimeInformation.FrameworkDescription}" > End Sub > > Private Async Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click > SendStrokes({ > Input.NewKeyboard(Keys.ControlKey, True), > Input.NewKeyboard(Keys.ShiftKey, True), > Input.NewKeyboard(Keys.LWin, True), > Input.NewKeyboard(Keys.B, True) > }) > Await Task.Delay(TimeSpan.FromSeconds(0.2)) > SendStrokes({ > Input.NewKeyboard(Keys.B, False), > Input.NewKeyboard(Keys.ControlKey, False), > Input.NewKeyboard(Keys.LWin, False), > Input.NewKeyboard(Keys.ShiftKey, False) > }) > End Sub > > Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click > SendStrokes({ > Input.NewKeyboard(Keys.ControlKey, True), > Input.NewKeyboard(Keys.ShiftKey, True), > Input.NewKeyboard(Keys.LWin, True), > Input.NewKeyboard(Keys.B, True), > Input.NewKeyboard(Keys.B, False), > Input.NewKeyboard(Keys.ControlKey, False), > Input.NewKeyboard(Keys.LWin, False), > Input.NewKeyboard(Keys.ShiftKey, False) > }) > End Sub > End Class > > > > > Imports System > Imports System.ComponentModel > Imports System.Drawing > Imports System.Runtime.InteropServices > Imports System.Windows.Forms > > Public Module InputModule > Public Sub SendStrokes(stroke() As Input) > If If(stroke?.Length, 0) = 0 Then > Return > End If > Dim count As Integer = SendInput(stroke.Length, stroke, Marshal.SizeOf(Of Input)()) > If count = 0 Then > Throw New Win32Exception() > End If > End Sub > > Private Declare Unicode Function GetMessageExtraInfo Lib "user32" () As IntPtr > > Private Declare Unicode Function SendInput Lib "user32" ( > nInputs As Integer, > <MarshalAs(UnmanagedType.LPArray, SizeParamIndex:=0)> pInputs As Input(), > cbsize As Integer) As Integer > > Public Enum InputType As Integer > Mouse = 0 > Keyboard = 1 > Hardware = 2 > End Enum > > <Flags> > Public Enum KeyFlags As UShort > None = 0 > ExtendedKey = 1 > KeyUp = 2 > Unicode = 4 > ScanCode = 8 > End Enum > > <Flags> > Public Enum MouseFlags As UShort > None = &H0 > Move = &H1 > LeftDown = &H2 > LeftUp = &H4 > RightDown = &H8 > RightUp = &H10 > MiddleDown = &H20 > MiddleUp = &H40 > XDown = &H80 > XUp = &H100 > Wheel = &H800 > HWheel = &H1000 > Move_NoCoalesce = &H2000 > VirtualDesk = &H4000 > Absolute = &H8000 > End Enum > > > <StructLayout(LayoutKind.Sequential)> > Public Structure Input > Public Type As InputType > Public Union As InputUnion > Public Shared Function NewKeyboard(wVk As UShort, wScan As UShort, dwFlags As UInteger) As Input > Dim t As New Input() With {.Type = InputType.Keyboard} > With t.Union.Keyboard > .VirtualKey = wVk > .ScanCode = wScan > .Flags = dwFlags > .Time = 0 > .ExtraInfo = GetMessageExtraInfo() > End With > Return t > End Function > > Public Shared Function NewKeyboard(virtualKey As Keys, pushed As Boolean) As Input > Return NewKeyboard(CUShort(virtualKey), 0US, CUShort(If(pushed, KeyFlags.None, KeyFlags.KeyUp))) > End Function > > Public Shared Function NewMouse(dx As Integer, dy As Integer, dwFlags As MouseFlags, mouseData As UInteger) As Input > Dim t As New Input() With {.Type = InputType.Mouse} > With t.Union.Mouse > .X = 0 > .Y = 0 > .Data = mouseData > .Flags = dwFlags > .Time = 0 > .ExtraInfo = GetMessageExtraInfo() > End With > Return t > End Function > > Public Shared Function NewHardware(uMsg As UInteger, wParamH As UShort, wParamL As UShort) As Input > Dim t As New Input() With {.Type = InputType.Hardware} > With t.Union.Hardware > .Msg = uMsg > .WParamH = wParamH > .WParamL = wParamL > End With > Return t > End Function > > Public Shared Function NewHardware(uMsg As UInteger, wParam As UInteger) As Input > Dim t As New Input() With {.Type = InputType.Hardware} > With t.Union.Hardware > .Msg = uMsg > .WParamH = CUShort(wParam And &HFFFFUS) > .WParamL = CUShort(wParam >> 16) > End With > Return t > End Function > > End Structure > > <StructLayout(LayoutKind.Explicit)> > Public Structure InputUnion > <FieldOffset(0)> Public Mouse As MouseInput > <FieldOffset(0)> Public Keyboard As KeyboardInput > <FieldOffset(0)> Public Hardware As HardwareInput > End Structure > > <StructLayout(LayoutKind.Sequential)> > Public Structure MouseInput > Public X As Integer > Public Y As Integer > Public Data As UInteger > Public Flags As UInteger > Public Time As UInteger > Public ExtraInfo As IntPtr > End Structure > > <StructLayout(LayoutKind.Sequential)> > Public Structure KeyboardInput > Public VirtualKey As UShort > Public ScanCode As UShort > Public Flags As UInteger > Public Time As UInteger > Public ExtraInfo As IntPtr > End Structure > > <StructLayout(LayoutKind.Sequential)> > Public Structure HardwareInput > Public Msg As UInteger > Public WParamL As UShort > Public WParamH As UShort > End Structure > End Module |
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