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Some refactor ideas

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soukoku
2014-04-05 16:48:28 -04:00
parent 4fa3e77fba
commit 67c6705224
49 changed files with 183 additions and 163 deletions
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34
NTwain/MemoryManager.cs
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@@ -9,15 +9,14 @@ namespace NTwain
{
/// <summary>
/// Provides methods for managing memory on data exchanged with twain sources.
/// This should only be used after the DSM has been opened in <see cref="TwainSession"/>
/// via <see cref="TwainSession.OpenManager"/>.
/// This should only be used after the DSM has been opened.
/// </summary>
public class MemoryManager
public class MemoryManager : IMemoryManager
{
/// <summary>
/// Gets the global <see cref="MemoryManager"/> instance.
/// Gets the singleton <see cref="MemoryManager"/> instance.
/// </summary>
public static readonly MemoryManager Global = new MemoryManager();
public static readonly MemoryManager Instance = new MemoryManager();
private MemoryManager() { }
@@ -46,7 +45,7 @@ namespace NTwain
else
{
// 0x0040 is GPTR
return GlobalAlloc(0x0040, new UIntPtr(size));
return WinGlobalAlloc(0x0040, new UIntPtr(size));
}
}
@@ -62,7 +61,7 @@ namespace NTwain
}
else
{
GlobalFree(handle);
WinGlobalFree(handle);
}
}
@@ -79,7 +78,7 @@ namespace NTwain
}
else
{
return GlobalLock(handle);
return WinGlobalLock(handle);
}
}
@@ -95,24 +94,25 @@ namespace NTwain
}
else
{
GlobalUnlock(handle);
WinGlobalUnlock(handle);
}
}
#region old mem stuff for twain 1.x
[DllImport("kernel32", SetLastError = true, ExactSpelling = true)]
static extern IntPtr GlobalAlloc(uint uFlags, UIntPtr dwBytes);
[DllImport("kernel32", SetLastError = true, ExactSpelling = true)]
static extern IntPtr GlobalFree(IntPtr hMem);
[DllImport("kernel32", SetLastError = true, EntryPoint = "GlobalAlloc")]
static extern IntPtr WinGlobalAlloc(uint uFlags, UIntPtr dwBytes);
[DllImport("kernel32", SetLastError = true, ExactSpelling = true)]
static extern IntPtr GlobalLock(IntPtr handle);
[DllImport("kernel32", SetLastError = true, EntryPoint = "GlobalFree")]
static extern IntPtr WinGlobalFree(IntPtr hMem);
[DllImport("kernel32", SetLastError = true, ExactSpelling = true)]
[DllImport("kernel32", SetLastError = true, EntryPoint = "GlobalLock")]
static extern IntPtr WinGlobalLock(IntPtr handle);
[DllImport("kernel32", SetLastError = true, EntryPoint = "GlobalUnlock")]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool GlobalUnlock(IntPtr handle);
static extern bool WinGlobalUnlock(IntPtr handle);
#endregion
}