[UE4] Error log, but xaml runs well
Posted: 12 Apr 2018, 10:24
Hi,
I use the lastest plugin with UE4.19 do some work, and got error log:
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=MapIconList, Source=null(''), Target=ItemsControl('MapIconList'), TargetProperty=ItemsControl.ItemsSource
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Cannot find source for binding with reference 'ElementName=IconTex'
LogNoesis: Error: Binding failed: Path=IsMouseOver, Source=null(''), Target=Popup('IconTips'), TargetProperty=Popup.IsOpen
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Height
LogNoesis: Error: Binding failed: Path=Angle, Source=null(''), Target=RotateTransform(''), TargetProperty=RotateTransform.Angle
LogNoesis: Error: Binding failed: Path=IconTexture, Source=null(''), Target=ImageBrush(''), TargetProperty=ImageBrush.ImageSource
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Height
LogNoesis: Error: Cannot find source for binding with reference 'ElementName=IconTex'
LogNoesis: Error: Binding failed: Path=IsMouseOver, Source=null(''), Target=Popup('IconTips'), TargetProperty=Popup.IsOpen
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Height
LogNoesis: Error: Binding failed: Path=Angle, Source=null(''), Target=RotateTransform(''), TargetProperty=RotateTransform.Angle
LogNoesis: Error: Binding failed: Path=IconTexture, Source=null(''), Target=ImageBrush(''), TargetProperty=ImageBrush.ImageSource
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Height
LogNoesis: Error: Cannot find source for binding with reference 'ElementName=IconTex'
LogNoesis: Error: Binding failed: Path=IsMouseOver, Source=null(''), Target=Popup('IconTips'), TargetProperty=Popup.IsOpen
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Height
LogNoesis: Error: Binding failed: Path=Angle, Source=null(''), Target=RotateTransform(''), TargetProperty=RotateTransform.Angle
LogNoesis: Error: Binding failed: Path=IconTexture, Source=null(''), Target=ImageBrush(''), TargetProperty=ImageBrush.ImageSource
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Height
I use the lastest plugin with UE4.19 do some work, and got error log:
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=MapIconList, Source=null(''), Target=ItemsControl('MapIconList'), TargetProperty=ItemsControl.ItemsSource
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offset.X, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Left
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Binding failed: Path=Offfset.Y, Source=.?AVBaseComponent@Noesis@@(''), Target=ContentPresenter(''), TargetProperty=Canvas.Top
LogNoesis: Error: Cannot find source for binding with reference 'ElementName=IconTex'
LogNoesis: Error: Binding failed: Path=IsMouseOver, Source=null(''), Target=Popup('IconTips'), TargetProperty=Popup.IsOpen
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Height
LogNoesis: Error: Binding failed: Path=Angle, Source=null(''), Target=RotateTransform(''), TargetProperty=RotateTransform.Angle
LogNoesis: Error: Binding failed: Path=IconTexture, Source=null(''), Target=ImageBrush(''), TargetProperty=ImageBrush.ImageSource
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Height
LogNoesis: Error: Cannot find source for binding with reference 'ElementName=IconTex'
LogNoesis: Error: Binding failed: Path=IsMouseOver, Source=null(''), Target=Popup('IconTips'), TargetProperty=Popup.IsOpen
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Height
LogNoesis: Error: Binding failed: Path=Angle, Source=null(''), Target=RotateTransform(''), TargetProperty=RotateTransform.Angle
LogNoesis: Error: Binding failed: Path=IconTexture, Source=null(''), Target=ImageBrush(''), TargetProperty=ImageBrush.ImageSource
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Height
LogNoesis: Error: Cannot find source for binding with reference 'ElementName=IconTex'
LogNoesis: Error: Binding failed: Path=IsMouseOver, Source=null(''), Target=Popup('IconTips'), TargetProperty=Popup.IsOpen
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('IconTex'), TargetProperty=FrameworkElement.Height
LogNoesis: Error: Binding failed: Path=Angle, Source=null(''), Target=RotateTransform(''), TargetProperty=RotateTransform.Angle
LogNoesis: Error: Binding failed: Path=IconTexture, Source=null(''), Target=ImageBrush(''), TargetProperty=ImageBrush.ImageSource
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.X, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Width
LogNoesis: Cannot find source DataContext for binding
LogNoesis: Error: Binding failed: Path=IconSize.Y, Source=null(''), Target=Border('Icon'), TargetProperty=FrameworkElement.Height
Code: Select all
<UserControl x:Class="GameGUI.MiniMapView"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:GameGUI"
mc:Ignorable="d"
d:DesignHeight="400" d:DesignWidth="400">
<Grid>
<ItemsControl x:Name="MapIconList" ItemsSource="{Binding MapIconList}">
<ItemsControl.ItemsPanel>
<ItemsPanelTemplate>
<Canvas>
</Canvas>
</ItemsPanelTemplate>
</ItemsControl.ItemsPanel>
<ItemsControl.ItemTemplate>
<DataTemplate>
<Grid>
<Border x:Name="Icon" Width="{Binding IconSize.X}" Height="{Binding IconSize.Y}"
RenderTransformOrigin="0.5, 0.5" IsHitTestVisible="False">
<Border.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform Angle="{Binding Angle}"/>
<TranslateTransform/>
</TransformGroup>
</Border.RenderTransform>
<Border.Background>
<ImageBrush ImageSource="{Binding IconTexture}"></ImageBrush>
</Border.Background>
</Border>
<Border x:Name="IconTex" Width="{Binding IconSize.X}" Height="{Binding IconSize.Y}"
RenderTransformOrigin="0.5, 0.5" Background="Transparent">
</Border>
<Popup x:Name="IconTips" IsOpen="{Binding ElementName=IconTex, Path=IsMouseOver, Mode=OneWay}"
Placement="MousePoint" StaysOpen="False">
<TextBlock Text="{Binding Tips}"></TextBlock>
</Popup>
</Grid>
</DataTemplate>
</ItemsControl.ItemTemplate>
<ItemsControl.ItemContainerStyle>
<Style>
<Setter Property="Canvas.Left" Value="{Binding Offset.X}"></Setter>
<Setter Property="Canvas.Top" Value="{Binding Offfset.Y}"></Setter>
</Style>
</ItemsControl.ItemContainerStyle>
</ItemsControl>
</Grid>
</UserControl>
Code: Select all
USTRUCT(BlueprintType)
struct FMiniMapIcon
{
GENERATED_BODY()
public:
UPROPERTY(EditAnywhere, BlueprintReadWrite)
int32 UniqueID;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
UTexture2D * IconTexture = nullptr;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
float IconScale = 1.f;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
FVector2D IconSize;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
FVector2D Offset;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
FString Tips;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
float Angle = 0.f;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
bool bInteractable = false;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
bool bVisible = false;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
FLinearColor DrawColor;
};
/**
*
*/
UCLASS(BlueprintType, Blueprintable)
class GAMEGUIMODULE_API UMiniMapViewModel : public UObject
{
GENERATED_BODY()
public:
UFUNCTION(BlueprintCallable)
int32 FindMapIcon(int32 InUniqueID) const;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
FVector2D MiniMapSize = FVector2D(300.f, 300.f);
UPROPERTY(EditAnywhere, BlueprintReadWrite)
TArray<FMiniMapIcon> MapIconList;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
UTexture2D* MapTexture;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
UTextureRenderTarget2D* RealTimeFogTexture;
UPROPERTY(EditAnywhere, BlueprintReadWrite)
int32 SelectedIndex = INDEX_NONE;
};