在WPF应用程序中禁用Aero Peek
|
我想在WPF应用程序中禁用Aero Peek(当用户将鼠标置于“显示桌面”按钮上时,我的应用程序必须可见)。我使用以下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);
和这种用法:
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);
API.DwmSetWindowAttribute(helper.Handle,
API.DwmWindowAttribute.DWMWA_EXCLUDED_FROM_PEEK,
status,
sizeof (uint));
}
在我的64位系统(Windows 7 Professional)中,仅当我运行64位应用程序时,它才有效。如果我以WOW64模式运行32位应用程序,则会收到异常:
\“对PInvoke函数\'XXX :: DwmSetWindowAttribute \的调用已使堆栈不平衡。这可能是因为托管的PInvoke签名与非托管的目标签名不匹配。请检查PInvoke签名的调用约定和参数是否与目标匹配非托管签名。\“
你怎么看待这件事?解决办法是什么?
没有找到相关结果
已邀请:
1 个回复
梆晨灸碾
和用法: