UI Test: Support high dpi displays for UI testing

jbe2277 · jbe2277 · commit 62b171f7772a · 2024-07-16T20:50:43.000+02:00
diff --git a/src/Samples.UITest/UITest.Core/UITestBase.cs b/src/Samples.UITest/UITest.Core/UITestBase.cs
@@ -6,6 +6,7 @@
 using System.Globalization;
 using System.Reflection;
 using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
 using Xunit.Abstractions;
 
 namespace UITest;
@@ -17,6 +18,7 @@ public abstract class UITestBase : IDisposable
 
     static UITestBase()
     {
+        NativeMethods.SetProcessDPIAware();
         CultureInfo.DefaultThreadCurrentCulture = new CultureInfo("en-US");
 
         Mouse.MovePixelsPerMillisecond = 2;
@@ -111,4 +113,11 @@ public void Dispose()
             if (File.Exists(file)) File.Delete(file);
         }
     }
+
+
+    private static class NativeMethods
+    {
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern bool SetProcessDPIAware();
+    }
 }

Original file line number	Diff line number	Diff line change
`@@ -6,6 +6,7 @@`
`6`	`6`	`using System.Globalization;`
`7`	`7`	`using System.Reflection;`
`8`	`8`	`using System.Runtime.CompilerServices;`
	`9`	`+using System.Runtime.InteropServices;`
`9`	`10`	`using Xunit.Abstractions;`
`10`	`11`
`11`	`12`	`namespace UITest;`
`@@ -17,6 +18,7 @@ public abstract class UITestBase : IDisposable`
`17`	`18`
`18`	`19`	`static UITestBase()`
`19`	`20`	`{`
	`21`	`+ NativeMethods.SetProcessDPIAware();`
`20`	`22`	`CultureInfo.DefaultThreadCurrentCulture = new CultureInfo("en-US");`
`21`	`23`
`22`	`24`	`Mouse.MovePixelsPerMillisecond = 2;`
`@@ -111,4 +113,11 @@ public void Dispose()`
`111`	`113`	`if (File.Exists(file)) File.Delete(file);`
`112`	`114`	`}`
`113`	`115`	`}`
	`116`	`+`
	`117`	`+`
	`118`	`+ private static class NativeMethods`
	`119`	`+ {`
	`120`	`+ [DllImport("user32.dll", SetLastError = true)]`
	`121`	`+ public static extern bool SetProcessDPIAware();`
	`122`	`+ }`
`114`	`123`	`}`