ToDouble()
Convert::ToDouble(bool) method
Converts the specified boolean value to an equivalent double-precision floating-point number.
static constexpr double System::Convert::ToDouble(bool value)
Convert::ToDouble(uint8_t) method
Converts the specified 8-bit unsigned integer to an equivalent double-precision floating-point number.
static constexpr double System::Convert::ToDouble(uint8_t value)
Convert::ToDouble(int8_t) method
Converts the specified 8-bit signed integer to an equivalent double-precision floating-point number.
static constexpr double System::Convert::ToDouble(int8_t value)
Convert::ToDouble(uint16_t) method
Converts the specified 16-bit unsigned integer to an equivalent double-precision floating-point number.
static constexpr double System::Convert::ToDouble(uint16_t value)
Convert::ToDouble(int16_t) method
Converts the specified 16-bit signed integer to an equivalent double-precision floating-point number.
static constexpr double System::Convert::ToDouble(int16_t value)
Convert::ToDouble(uint32_t) method
Converts the specified 32-bit unsigned integer to an equivalent double-precision floating-point number.
static constexpr double System::Convert::ToDouble(uint32_t value)
Convert::ToDouble(int32_t) method
Converts the specified 32-bit signed integer to an equivalent double-precision floating-point number.
static constexpr double System::Convert::ToDouble(int32_t value)
Convert::ToDouble(uint64_t) method
Converts the specified 64-bit unsigned integer to an equivalent double-precision floating-point number.
static constexpr double System::Convert::ToDouble(uint64_t value)
Convert::ToDouble(int64_t) method
Converts the specified 64-bit signed integer to an equivalent double-precision floating-point number.
static constexpr double System::Convert::ToDouble(int64_t value)
Convert::ToDouble(float) method
Converts the specified single-precision number to an equivalent double-precision floating-point number.
static constexpr double System::Convert::ToDouble(float value)
Convert::ToDouble(double) method
Returns the specified double number.
static constexpr double System::Convert::ToDouble(double value)
Convert::ToDouble(const Decimal&) method
Converts the specified decimal number to an equivalent double-precision floating-point number.
static double System::Convert::ToDouble(const Decimal &value)
Convert::ToDouble(char_t) method
Conversion is not supported. Always throws InvalidCastException.
static double System::Convert::ToDouble(char_t value)
Convert::ToDouble(DateTime) method
Conversion is not supported. Always throws InvalidCastException.
static double System::Convert::ToDouble(DateTime value)
Convert::ToDouble(std::nullptr_t) method
Converts the specified null-string to the equivalent double-precision floating-point value.
static constexpr double System::Convert::ToDouble(std::nullptr_t)
Return Value
Zero.
Convert::ToDouble(const char_t *) method
Converts the specified c-string containing the string representation of a number to the equivalent double-precision floating-point value.
static double System::Convert::ToDouble(const char_t *value)
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const char_t * | The c-string to convert |
Return Value
The double-precision floating-point value equal to the number represented by the specified c-string
Convert::ToDouble(const String&) method
Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value.
static double System::Convert::ToDouble(const String &value)
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const String& | The string to convert |
Return Value
The double-precision floating-point value equal to the number represented by the specified string
Convert::ToDouble(const String&, const SharedPtr<IFormatProvider>&) method
Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value using the provided formatting information.
static double System::Convert::ToDouble(const String &value, const SharedPtr<IFormatProvider> &provider)
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const String& | The string to convert |
| provider | const SharedPtr<IFormatProvider>& | A pointer to an object that contains the string format information |
Return Value
The double-precision floating-point value equal to the number represented by the specified string
Convert::ToDouble(const String&, const SharedPtr<Globalization::CultureInfo>&) method
static double System::Convert::ToDouble(const String &value, const SharedPtr<Globalization::CultureInfo> &culture)
Convert::ToDouble(const String&, const SharedPtr<Globalization::NumberFormatInfo>&) method
static double System::Convert::ToDouble(const String &value, const SharedPtr<Globalization::NumberFormatInfo> &nfi)
Convert::ToDouble(const String&, std::nullptr_t) method
static double System::Convert::ToDouble(const String &value, std::nullptr_t)
Convert::ToDouble(const String&, Globalization::NumberStyles, const SharedPtr<IFormatProvider>&) method
Converts the specified string containing the string representation of a number to the equivalent double-precision floating-point value using the provided formatting information and number style.
static double System::Convert::ToDouble(const String &value, Globalization::NumberStyles styles, const SharedPtr<IFormatProvider> &provider)
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const String& | The string to convert |
| styles | Globalization::NumberStyles | A bitwise combination of values of NumberStyles enum that specifies the permitted style of the string representation of a number |
| provider | const SharedPtr<IFormatProvider>& | A pointer to an object that contains the string format information |
Return Value
The double-precision floating-point value equal to the number represented by the specified string
Convert::ToDouble(const String&, Globalization::NumberStyles, const SharedPtr<Globalization::CultureInfo>&) method
static double System::Convert::ToDouble(const String &value, Globalization::NumberStyles styles, const SharedPtr<Globalization::CultureInfo> &culture)
Convert::ToDouble(const String&, Globalization::NumberStyles, const SharedPtr<Globalization::NumberFormatInfo>&) method
static double System::Convert::ToDouble(const String &value, Globalization::NumberStyles styles, const SharedPtr<Globalization::NumberFormatInfo> &nfi)
Convert::ToDouble(const String&, Globalization::NumberStyles, std::nullptr_t) method
static double System::Convert::ToDouble(const String &value, Globalization::NumberStyles styles, std::nullptr_t=nullptr)
Convert::ToDouble(const SharedPtr<Object>&, const SharedPtr<IFormatProvider>&) method
Converts the specified boxed value to double-precision floating-point value. If the type of boxed value is String, the specified string format is used during conversion.
static double System::Convert::ToDouble(const SharedPtr<Object> &obj, const SharedPtr<IFormatProvider> &provider=nullptr)
Arguments
| Parameter | Type | Description |
|---|---|---|
| obj | const SharedPtr<Object>& | The shared pointer to the object boxing the value to convert |
| provider | const SharedPtr<IFormatProvider>& | The string format to be used if the type of the boxed value is String |
Return Value
A double-precision floating-point value equivalent to the specified boxed value
See Also
- Enum NumberStyles
- Typedef SharedPtr
- Class Decimal
- Class DateTime
- Class String
- Class IFormatProvider
- Class CultureInfo
- Class NumberFormatInfo
- Class Object
- Struct Convert
- Namespace System
- Library Aspose.Slides