我将Microsoft::UI::Xaml NuGet程序包添加到我的C ++ / WinRT空白应用程序项目将引发错误。
输出消息:
1> ------重建全部开始:项目:TxtRecordGenerator,配置:调试x64 ------ 1> 64位MIDLRT处理C:\ Users \ a124p \ Documents \ GitHub \ VisualizationRecorder \ TxtRecordGenerator \ App.idl1> App.idl 1> 64位MIDLRT处理C:\ Program Files(x86)\ Windows套件\ 10 \ Include \ 10.0.18362.0 \ winrt \ winrtbase.idl 1> winrtbase.idl 1> 64MIDLRT位处理C:\ Program Files(x86)\ Windows套件\ 10 \ Include \ 10.0.18362.0 \ winrt \ midlbase.idl 1> midlbase.idl1>处理WinMD1>处理输入元数据文件x64 \ Debug \ Unmerged \ App.winmd。1>处理输入元数据文件x64 \ Debug \ Unmerged \ MainPage.winmd。1>处理输入元数据文件x64 \ Debug \ Unmerged \ XamlMetaDataProvider.winmd。 1>保存的输出元数据文件TxtRecordGenerator.winmd。 1>验证元数据文件x64 \ Debug \ Merged \ TxtRecordGenerator.winmd。 1> pch.cpp 1> App.cpp1> MainPage.cpp 1> module.g.cpp 1> XamlTypeInfo.Impl.g.cpp1> XamlTypeInfo.g.cpp1> C:\ Users \ a124p \ Documents \ GitHub \ VisualizationRecorder \ TxtRecordGenerator \ GeneratedFiles \ XamlTypeInfo.g.cpp(919,77):错误C2039:“ XamlTypeInfo”:不是'winrt :: Microsoft :: UI :: Xaml'的成员1> C:\ Users \ a124p \ Documents \ GitHub \ VisualizationRecorder \ TxtRecordGenerator \ GeneratedFiles \ winrt \ Microsoft.UI.Xaml.Controls.h(16562):消息:请参阅'winrt :: Microsoft :: UI :: Xaml'的声明1> C:\ Users \ a124p \ Documents \ GitHub \ VisualizationRecorder \ TxtRecordGenerator \ GeneratedFiles \ XamlTypeInfo.g.cpp(919,65):错误C3083:“ XamlTypeInfo”:“ ::”左侧的符号必须是类型1> C:\ Users \ a124p \ Documents \ GitHub \ VisualizationRecorder \ TxtRecordGenerator \ GeneratedFiles \ XamlTypeInfo.g.cpp(919,79):错误C2039:'XamlControlsXamlMetaDataProvider':不是以下成员'winrt :: Microsoft :: UI :: Xaml'1> C:\ Users \ a124p \ Documents \ GitHub \ VisualizationRecorder \ TxtRecordGenerator \ GeneratedFiles \ winrt \ Microsoft.UI.Xaml.Controls.h(16562):消息:请参阅'winrt :: Microsoft :: UI :: Xaml'的声明1> C:\ Users \ a124p \ Documents \ GitHub \ VisualizationRecorder \ TxtRecordGenerator \ GeneratedFiles \ XamlTypeInfo.g.cpp(919,111):错误C3861:'XamlControlsXamlMetaDataProvider':找不到标识符1>完成建筑项目“ TxtRecordGenerator.vcxproj”-失败。===========全部重建:0成功,1失败,0跳过===========
这似乎是WinRT C ++代码生成器引起的错误。
C ++ / WinRT项目代码文件如下:
pch.h代码:
#pragma once
#include <windows.h>
#include <unknwn.h>
#include <restrictederrorinfo.h>
#include <hstring.h>
#include <winrt/Windows.Foundation.h>
#include <winrt/Windows.Foundation.Collections.h>
#include <winrt/Windows.ApplicationModel.Activation.h>
#include <winrt/Windows.UI.Xaml.h>
#include <winrt/Windows.UI.Xaml.Controls.h>
#include <winrt/Windows.UI.Xaml.Controls.Primitives.h>
#include <winrt/Windows.UI.Xaml.Data.h>
#include <winrt/Windows.UI.Xaml.Interop.h>
#include <winrt/Windows.UI.Xaml.Markup.h>
#include <winrt/Windows.UI.Xaml.Navigation.h>
#include <winrt/Microsoft.UI.Xaml.Controls.h>
MainPage.idl:
namespace TxtRecordGenerator
{
[default_interface]
runtimeclass MainPage : Windows.UI.Xaml.Controls.Page
{
MainPage();
}
}
MainPage.h:
#pragma once
#include "MainPage.g.h"
namespace winrt::TxtRecordGenerator::implementation
{
struct MainPage : MainPageT<MainPage>
{
MainPage();
};
}
namespace winrt::TxtRecordGenerator::factory_implementation
{
struct MainPage : MainPageT<MainPage, implementation::MainPage>
{
};
}
MainPage.cpp:
#include "pch.h"
#include "MainPage.h"
#include "MainPage.g.cpp"
using namespace winrt;
using namespace Windows::UI::Xaml;
namespace winrt::TxtRecordGenerator::implementation
{
MainPage::MainPage()
{
InitializeComponent();
}
}
MainPage.xaml:
<Page
x:Class="TxtRecordGenerator.MainPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:TxtRecordGenerator"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:controls="using:Microsoft.UI.Xaml.Controls"
mc:Ignorable="d">
<Grid>
<Grid.RowDefinitions>
<RowDefinition/>
<RowDefinition/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<CalendarDatePicker x:Name="BeginDatePicker"
PlaceholderText="Pick a date"
Header="Begin Date"
Foreground="{ThemeResource SystemAccentColorLight1}"
Grid.Row="0"
Grid.Column="0"
HorizontalAlignment="Center"
VerticalAlignment="Center" />
<CalendarDatePicker x:Name="EndDatePicker"
PlaceholderText="Pick a date"
Header="End Date"
Foreground="{ThemeResource SystemAccentColorLight1}"
Grid.Row="0"
Grid.Column="1"
HorizontalAlignment="Center"
VerticalAlignment="Center" />
<controls:NumberBox x:Name="BeginNumberBox"
Header="Enter an integer:"
Value="1"
SpinButtonPlacementMode="Compact"
SmallChange="10"
LargeChange="100"
Grid.Row="1"
Grid.Column="0"
HorizontalAlignment="Center"
VerticalAlignment="Center"/>
<controls:NumberBox x:Name="EndNumberBox"
Header="Enter an integer:"
Value="1"
SpinButtonPlacementMode="Compact"
SmallChange="10"
LargeChange="100"
Grid.Row="1"
Grid.Column="1"
HorizontalAlignment="Center"
VerticalAlignment="Center"/>
</Grid>
</Page>
开发环境:
IDE:Visual Studio 2019
UWP项目目标版本:Windows 10,版本1903(10.0;构建18362)
UWP项目的最低版本:Windows 10,版本1903(10.0;内部版本18362)
这个问题使我感到困惑。谁能帮我吗?
首先,您需要在App.xaml中声明WinUI应用程序资源:
<Application ......>
<Application.Resources>
<XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
</Application.Resources>
</Application>
然后还要添加以下头文件。
#include "winrt/Microsoft.UI.Xaml.XamlTypeInfo.h"
关于更多详细信息,您可以参考本文档:A simple C++/WinRT Windows UI Library example。