winapi - 如何使用 System::Call 调用 WindowFromPoint windows API 函数

Question

如何在系统插件语法中将POINT 结构传递给WindowFromPoint() ？

Answer 1

System::Alloc 8
Pop $0
System::Call 'USER32::GetCursorPos(ir0)'
System::Call '*$0(i.r8,i.r9)'
System::Free $0
System::Call 'USER32::WindowFromPoint(ir8,ir9)i.r1'
System::Call 'USER32::GetClassName(ir1,t.r2,i ${NSIS_MAX_STRLEN})'
MessageBox mb_ok "$8x$9: $1=$2"