Try DECLARE INTEGER SetProcessDPIAware in WIN32API SetProcessDPIAware() EndTry3) Use a Manifest file when bulding the exe to declare that the app if DPI Aware.
<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" type="win32" name="Microsoft.VisualFoxPro" processorArchitecture="x86" /> <description>Visual FoxPro 9 application</description> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3"> <security> <requestedPrivileges> <requestedExecutionLevel level="asInvoker" /> </requestedPrivileges> </security> </trustInfo> <application xmlns="urn:schemas-microsoft-com:asm.v3"> <windowsSettings> <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">True</dpiAware> </windowsSettings> </application> <dependency> <dependentAssembly> <assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" language="*" processorArchitecture="x86" publicKeyToken="6595b64144ccf1df" /> </dependentAssembly> </dependency> <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1"> <application> <!-- Windows 10 --> <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/> <!-- Windows 8.1 --> <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/> <!-- Windows Vista --> <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/> <!-- Windows 7 --> <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/> <!-- Windows 8 --> <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/> </application> </compatibility> </assembly>