Enum PropVariant

pub enum PropVariant {
    Empty,
    I2(i16),
    I4(i32),
    R4(f32),
    R8(f64),
    Date(SYSTEMTIME),
    Bstr(String),
    Dispatch(IDispatch),
    Bool(bool),
    Unknown(IUnknown),
    I1(i8),
    UI1(u8),
    UI2(u16),
    UI4(u32),
    I8(i64),
    UI8(u64),
}

Available on crate feature oleaut only.

High-level representation of the PROPVARIANT struct, which is automatically converted into its low-level representation when needed.

Not to be confused with the similar Variant.

The fields are named according to the VARENUM enumeration.

Variants

Empty

Nothing.

I2(i16)

2 byte signed int (i16).

I4(i32)

4 byte signed int (i32).

R4(f32)

4 byte real (f32).

R8(f64)

8 byte real (f64).

Date(SYSTEMTIME)

Date.

Bstr(String)

OLE Automation string.

Dispatch(IDispatch)

IDispatch pointer.

Bool(bool)

Boolean value (bool).

Unknown(IUnknown)

IUnknown pointer.

I1(i8)

Signed char (i8).

UI1(u8)

Unsigned char (u8).

UI2(u16)

Unsigned short (u16).

UI4(u32)

Unsigned long (u32).

I8(i64)

Signed 64-bit int (i64).

UI8(u64)

Unsigned 64-bit int (u64).

Implementations

impl PropVariant

pub fn from_str(s: impl AsRef<str>) -> Self

Creates a PropVariant::Bstr from a string.

pub fn from_opt_str(s: Option<impl AsRef<str>>) -> Self

Creates a PropVariant::Bstr if a string is present, otherwise creates a PropVariant::Empty.

Trait Implementations

impl Clone for PropVariant

fn clone(&self) -> PropVariant

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Default for PropVariant

fn default() -> Self

Returns the “default value” for a type.