From b04a1f78646099fa6f2a3dd4026ff2e7697d61cb Mon Sep 17 00:00:00 2001
From: Anton Mitsengendler <a.mic@rtc.ru>
Date: Sun, 26 Jul 2020 22:12:39 +0300
Subject: [PATCH 1/2] Changed resource name for a default placeholder
 foreground

Added template binding for the placeholder foreground property to make it customizable from user code
---
 src/Avalonia.Themes.Default/ComboBox.xaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Themes.Default/ComboBox.xaml b/src/Avalonia.Themes.Default/ComboBox.xaml
index 8ee818bad2..0fd6b144a4 100644
--- a/src/Avalonia.Themes.Default/ComboBox.xaml
+++ b/src/Avalonia.Themes.Default/ComboBox.xaml
@@ -25,7 +25,7 @@
     <Setter Property="VerticalContentAlignment" Value="Center" />
     <Setter Property="Padding" Value="4" />
     <Setter Property="MinHeight" Value="20" />
-    <Setter Property="PlaceholderForeground" Value="{DynamicResource ComboBoxPlaceHolderForeground}" />
+    <Setter Property="PlaceholderForeground" Value="{DynamicResource ThemeForegroundBrush}" />
     <Setter Property="Template">
       <ControlTemplate>
         <Border Name="border"
@@ -39,6 +39,7 @@
                        VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                        Margin="{TemplateBinding Padding}"
                        Text="{TemplateBinding PlaceholderText}"
+                       Foreground="{TemplateBinding PlaceholderForeground}"
                        IsVisible="{TemplateBinding SelectionBoxItem, Converter={x:Static ObjectConverters.IsNull}}" />
             <ContentControl Content="{TemplateBinding SelectionBoxItem}"
                             ContentTemplate="{TemplateBinding ItemTemplate}"

From 78188c55175ecb8bf75e10b5bb9583f675c6ba28 Mon Sep 17 00:00:00 2001
From: Anton Mitsengendler <a.mic@rtc.ru>
Date: Wed, 29 Jul 2020 21:17:25 +0300
Subject: [PATCH 2/2] Added template binding for ComboBox placeholder
 foreground in Fluent Theme

---
 src/Avalonia.Themes.Fluent/ComboBox.xaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Avalonia.Themes.Fluent/ComboBox.xaml b/src/Avalonia.Themes.Fluent/ComboBox.xaml
index 2788344842..97f36169ed 100644
--- a/src/Avalonia.Themes.Fluent/ComboBox.xaml
+++ b/src/Avalonia.Themes.Fluent/ComboBox.xaml
@@ -79,6 +79,7 @@
                      VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                      Margin="{TemplateBinding Padding}"
                      Text="{TemplateBinding PlaceholderText}"
+                     Foreground="{TemplateBinding PlaceholderForeground}"
                      IsVisible="{TemplateBinding SelectionBoxItem, Converter={x:Static ObjectConverters.IsNull}}" />
           <ContentControl x:Name="ContentPresenter"
                           Content="{TemplateBinding SelectionBoxItem}"