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Simplify marshalling of StartupInfo struct used in Jumplist creation. (#7580)

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This commit is contained in:
Staffan Gustafsson
2018-08-24 14:05:13 -07:00
committed by Aditya Patwardhan
parent 6c454c6ea8
commit 50626a161b
1 changed files with 25 additions and 20 deletions
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src/Microsoft.PowerShell.ConsoleHost/WindowsTaskbarJumpList/ComInterfaces.cs
+25 -20
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@@ -10,30 +10,35 @@ namespace Microsoft.PowerShell
{
internal static class ComInterfaces
{
[DllImport("kernel32.dll", SetLastError = true, EntryPoint = "GetStartupInfoA")]
[DllImport("kernel32.dll", SetLastError = false, EntryPoint = "GetStartupInfoW")]
internal static extern void GetStartupInfo(out StartUpInfo lpStartupInfo);
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
/// <remarks>
/// IntPtr is being used for the string fields to make the marshaller faster and
/// simpler. With IntPtr, all fields are blittable, and since we don't use the
/// string fields at all, nothing is lost.
/// </remarks>
[StructLayout(LayoutKind.Sequential)]
internal struct StartUpInfo
{
public Int32 cb;
public string lpReserved;
public string lpDesktop;
public string lpTitle;
public Int32 dwX;
public Int32 dwY;
public Int32 dwXSize;
public Int32 dwYSize;
public Int32 dwXCountChars;
public Int32 dwYCountChars;
public Int32 dwFillAttribute;
public Int32 dwFlags;
public Int16 wShowWindow;
public Int16 cbReserved2;
public IntPtr lpReserved2;
public IntPtr hStdInput;
public IntPtr hStdOutput;
public IntPtr hStdError;
public readonly UInt32 cb;
private readonly IntPtr lpReserved;
public readonly IntPtr lpDesktop;
public readonly IntPtr lpTitle;
public readonly UInt32 dwX;
public readonly UInt32 dwY;
public readonly UInt32 dwXSize;
public readonly UInt32 dwYSize;
public readonly UInt32 dwXCountChars;
public readonly UInt32 dwYCountChars;
public readonly UInt32 dwFillAttribute;
public readonly UInt32 dwFlags;
public readonly UInt16 wShowWindow;
private readonly UInt16 cbReserved2;
private readonly IntPtr lpReserved2;
public readonly IntPtr hStdInput;
public readonly IntPtr hStdOutput;
public readonly IntPtr hStdError;
}
[ComImport]