Left property (Display object)
Returns or sets the distance, in pixels, between the external left edge of a display and the internal left edge of the containing window. Read/write. Long.
The value assigned to this property can be negative, which allows a window to be positioned so that no portion of it is visible in the viewing area. If a display is docked, this property is Read-only.
The position calculation method varies depending on whether multi-monitor's
Dock and maximize display on a single monitor
option is enabled.With the option disabled, the zero position is at the left edge of the available viewing area. For example, if a display is docked to the left, the zero position is at the external right edge of the display.

- For a display that is docked to the top or bottom, this returns a zero or a negative value.
- For a display that is docked to the left, this returns a negative value.
- For a display that is docked to the Right, this returns a value greater than the ViewportWidth value.
With the option enabled, the zero position is at the left edge of the entire viewing area. For example, if a display is docked to the left, the zero position is still at the far left of the entire viewing area. In such cases, this property does not return a negative value.

Syntax
Display
.Left
[ = value
]where
Display
– is the name of a Display object or an expression that evaluates to a Display object.value
– is the distance, in pixels, between the external left edge of the display and the internal left edge of the containing window.Remarks
- When the display is minimized, the position changes to match the location of the window icon in the lower left portion of the containing window.
- When the display is maximized, the value of this property changes to match that of the containing window.
- You can change the value of this property even if the option, Size to Main Window at Runtime, is specified.
- Attempts to move or size a display that is minimized, maximized, or a docked, raise the error gfxErrorMoveResize.
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