SetWindowsHookEx API is not working for mouse actions in .NET7.0

[GokulThanu]

.NET version

.net7.0

Did it work in .NET Framework?

Yes

Did it work in any of the earlier releases of .NET Core or .NET 5+?

It works in .net6.0 and earlier versions

Issue description

The mouse action is not captured by the SetWindowsHookEx API in .Net7.0 which works in the earlier version.

I have already created an issue regarding this but the solution given is not working in framework 4.8 versions. It shows the error" Native sized interger is not available in c#". Please find the old issue link

#9535.

Steps to reproduce

Sample

WindowsFormsApp1.zip

• Run the sample
• Note that the compilation error occurs

[elachlan]

C# 9 is supported only on .NET 5 and newer versions.

https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/configure-language-version

[elachlan]

@GokulThanu the error is because of the C# Version. You might need to use IntPtr and Preprocessor Directives (to have different code for framework vs Net5+) https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/preprocessor-directives to avoid the issue.

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