相关疑难解决方法(0)

我刚从vs2008切换到vs2010.完全相同的解决方案,除了现在每次调用C++ dll都会产生'pinvokestackimbalance'异常.

此异常在2008年不会被触发.我可以完全访问C++ dll和调用应用程序.pinvoke似乎没有任何问题,但是这个问题使调试其他问题变得不可能; IDE经常停下来告诉我这些事情.

例如,这是C#签名:

    [DllImport("ImageOperations.dll")]
    static extern void FasterFunction(
        [MarshalAs(UnmanagedType.LPArray)]ushort[] inImage, //IntPtr inImage, 
        [MarshalAs(UnmanagedType.LPArray)]byte[] outImage, //IntPtr outImage, 
        int inTotalSize, int inWindow, int inLevel);

这是C++方面的样子:

#ifdef OPERATIONS_EXPORTS
#define OPERATIONS_API __declspec(dllexport)
#else
#define OPERATIONS_API __declspec(dllimport)
#endif
extern "C" {


OPERATIONS_API void __cdecl FasterFunction(unsigned short* inArray, 
                                       unsigned char* outRemappedImage,
                                       int inTotalSize, 
                                       int inWindow, int inLevel);

}

vs2010和vs2008之间有什么不同会导致这些异常被抛出？我应该在DllImport指令中添加一组不同的参数吗？

我想在我的WPF应用程序中禁用Aero Peek(当用户将鼠标放在"显示桌面"按钮上时,我的应用程序必须可见).我使用这个PInvoke签名:

[Flags]
public enum DwmWindowAttribute : uint
{
    DWMWA_NCRENDERING_ENABLED = 1,
    DWMWA_NCRENDERING_POLICY,
    DWMWA_TRANSITIONS_FORCEDISABLED,
    DWMWA_ALLOW_NCPAINT,
    DWMWA_CAPTION_BUTTON_BOUNDS,
    DWMWA_NONCLIENT_RTL_LAYOUT,
    DWMWA_FORCE_ICONIC_REPRESENTATION,
    DWMWA_FLIP3D_POLICY,
    DWMWA_EXTENDED_FRAME_BOUNDS,
    DWMWA_HAS_ICONIC_BITMAP,
    DWMWA_DISALLOW_PEEK,
    DWMWA_EXCLUDED_FROM_PEEK,
    DWMWA_LAST
}

[Flags]
public enum DWMNCRenderingPolicy : uint
{
    UseWindowStyle,
    Disabled,
    Enabled,
    Last
}

[DllImport("dwmapi.dll", PreserveSig=false)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool DwmIsCompositionEnabled();

[DllImport("dwmapi.dll", PreserveSig=false)]
public static extern Int32 DwmSetWindowAttribute(IntPtr hwnd,
                                                 DwmWindowAttribute dwmAttribute,
                                                 IntPtr pvAttribute,
                                                 uint cbAttribute);

这个用法:

    var helper = new WindowInteropHelper(this);
    helper.EnsureHandle();

    if (API.DwmIsCompositionEnabled())
    {
        var status = Marshal.AllocCoTaskMem(sizeof(uint));
        Marshal.Copy(new[] {(int) API.DWMNCRenderingPolicy.Enabled}, 0, status, 1); …