What Apis can be used for deleting a file or a folder?
Can someone list most of them or all of them?

DeleteFile

• DeleteFileA: https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-deletefilea

• DeleteFileW: https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-deletefilew

RemoveDirectory

• RemoveDirectoryA: https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-removedirectorya

• RemoveDirectoryW: https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-removedirectoryw

SHFileOperation

• SHFileOperationA: https://learn.microsoft.com/en-us/windows/win32/api/shellapi/nf-shellapi-shfileoperationa

• SHFileOperationW: https://learn.microsoft.com/en-us/windows/win32/api/shellapi/nf-shellapi-shfileoperationw

SHFILEOPSTRUCT (for SHFileOperation)

• SHFILEOPSTRUCTA: https://learn.microsoft.com/en-us/windows/win32/api/shellapi/ns-shellapi-shfileopstructa

• SHFILEOPSTRUCTW: https://learn.microsoft.com/en-us/windows/win32/api/shellapi/ns-shellapi-shfileopstructw

Some have already been included from @fearless

API/Library	Function/Method	Language/Framework	Notes
Windows API (Native)	DeleteFileA() / DeleteFileW()	C/C++	Low-level, Unicode support with W variant. Only deletes files, not directories.
Windows API (Native)	RemoveDirectoryA() / RemoveDirectoryW()	C/C++	Deletes empty directories only. Must be empty first.
Windows API (Native)	SHFileOperationA() / SHFileOperationW()	C/C++	High-level Shell API. Can delete files/folders recursively with flags like FO_DELETE. Supports recycle bin.
Windows API (Native)	IFileOperation COM Interface	C/C++	Modern replacement for SHFileOperation(). Better for recursive deletion and recycle bin support.
MSVC Standard Library	std::filesystem::remove()	C++17+	Deletes a single file or empty directory.
MSVC Standard Library	std::filesystem::remove_all()	C++17+	Recursively deletes files and directories.
Qt Framework	QFile::remove()	C++ (Qt)	Deletes a single file. Cross-platform.
Qt Framework	QDir::removeRecursively()	C++ (Qt)	Recursively removes a directory and all contents. Cross-platform.
Qt Framework	QDir::rmdir()	C++ (Qt)	Removes an empty directory only.
.NET Framework	File.Delete()	C# / VB.NET	Deletes a single file.
.NET Framework	Directory.Delete()	C# / VB.NET	Deletes a directory; optional recursive parameter for contents.
Python (stdlib)	os.remove()	Python	Deletes a single file.
Python (stdlib)	os.rmdir()	Python	Removes an empty directory.
Python (stdlib)	shutil.rmtree()	Python	Recursively removes a directory tree.