質問編集履歴
2
動くコードに変更
test
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test
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@@ -16,89 +16,105 @@
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### 発生している問題・エラーメッセージ
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```
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//下記コードで発生
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//Dim gch As GCHandle = GCHandle.Alloc(devmodeStructure, GCHandleType.Pinned)
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型 'System.ArgumentException' のハンドルされていない例外が mscorlib.dll で発生しました
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追加情報:オブジェクトに、プリミティブでないか、または blittable でないデータが含まれています。
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```
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### 該当のソースコード
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```vb
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<StructLayout(LayoutKind.Sequential)> _
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Public Structure DEVMODE
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Public st
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Public Const CCHDEVICENAME As Integer = 32
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Public
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Public Const CCHFORMNAME As Integer = 32
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Public intDriverVersion As Integer
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Public intSize As Integer
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<MarshalAs(UnmanagedType.ByValTStr, SizeConst:=CCHDEVICENAME)> _
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Public
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Public dmDeviceName As String
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Public
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Public dmSpecVersion As Short
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Public i
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Public dmDriverVersion As Short
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Public i
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Public dmSize As Short
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Public i
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Public dmDriverExtra As Short
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Public i
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Public dmFields As Integer
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Public intCopies As Integer
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Public intDefaultSource As Integer
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Public
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Public dmOrientation As Short
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Public i
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Public dmPaperSize As Short
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Public
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Public dmPaperLength As Short
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Public i
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Public dmPaperWidth As Short
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Public intTTOption As Integer
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Public intCollate As Integer
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Public
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Public dmScale As Short
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Public
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Public dmCopies As Short
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Public l
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Public dmDefaultSource As Short
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Public l
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Public dmPrintQuality As Short
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Public l
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Public dmColor As Short
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Public l
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Public dmDuplex As Short
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Public dmYResolution As Short
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Public dmTTOption As Short
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Public l
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Public dmCollate As Short
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<MarshalAs(UnmanagedType.ByValTStr, SizeConst:=CCHFORMNAME)> _
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Public dmFormName As String
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Public dmLogPixels As Short
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Public dmBitsPerPel As Integer
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Public dmPelsWidth As Integer
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Public dmPelsHeight As Integer
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Public dmDisplayFlags As Integer
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Public dmDisplayFrequency As Integer
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Public dmICMMethod As Integer
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Public dmICMIntent As Integer
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Public dmMediaType As Integer
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Public dmDitherType As Integer
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Public dmReserved1 As Integer
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Public dmReserved2 As Integer
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Public dmPanningWidth As Integer
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Public dmPanningHeight As Integer
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Public dmPositionX As Integer
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Public dmPositionY As Integer
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End Structure
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@@ -106,29 +122,13 @@
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Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
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Dim devmodeStructure As New DEVMODE
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'ガベージコレクタがオブジェクトを移動できないようにする
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Dim gch As GCHandle = GCHandle.Alloc(devmodeStructure, GCHandleType.Pinned)
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'固定オブジェクトのアドレスを取得する
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Dim address As Integer = gch.AddrOfPinnedObject().ToInt32()
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PrintDocument1.PrinterSettings.PrinterName = "Microsoft Print to PDF"
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PrintDocument1.PrinterSettings.
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Dim devmodePtr As IntPtr = PrintDocument1.PrinterSettings.GetHdevmode()
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Dim dm As DEVMODE = CType(Marshal.PtrToStructure(devmodePtr, GetType(DEVMODE)), DEVMODE)
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'ハンドルを解放する
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GlobalFree(devmodePtr)
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End Sub
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@@ -136,13 +136,17 @@
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###
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### 発生している問題・エラーメッセージ
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上記のコードを確認すると、
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D
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dm.dmDeviceNameが「K」になっていたり、
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dm.dmPaperSizeが「101」になっていたり、
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上手く取得できません。
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1
誤字
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -44,7 +44,7 @@
|
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44
44
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46
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47
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-
```vb
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47
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+
```vb
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48
48
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49
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Public Structure DEVMODE
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