WINDREF
(Function)
Obtain window information.
WINDREF (<window number>,<item>)
<window number>
Specifies the window number (0 to 511).
<item>
Specifies the item number to obtain (0 to 9).
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Item number 0:
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Presence of the window setting
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Return value
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Present = 0
Not present = -1
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Item number 1:
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Window shape
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Return value
(Refer to the table below.)
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Item number 2:
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Window reference point X coordinate
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Item number 3:
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Window reference point Y coordinate
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Item number 4 to 9:
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Window's each setting data
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Return value for each setting data (Refer to the table below.)
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Item
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|---|---|---|---|---|---|---|---|
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Window shape
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1
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4
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5
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6
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7
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8
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9
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Line
(2 point specification)
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0
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Start point
X coordinate
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Start point
Y coordinate
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End point
X coordinate
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End point
Y coordinate
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-1
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-1
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Line (Length and angle specification)
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1
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Length
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Angle
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-1
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-1
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-1
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-1
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Circle
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2
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Radius
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-1
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-1
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-1
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-1
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-1
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Ellipse
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3
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Width
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Height
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-1
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-1
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-1
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-1
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Sector
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4
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Outer diameter
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Inner diameter
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Start angle
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End angle
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Partition angle
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Mode
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Rectangle
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5
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Width
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Height
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Angle
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Mode
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-1
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-1
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-
If nothing is set, -1 is returned as the default.
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Data obtained is not the initially set data but the current set data.
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To execute this function, a µVision board (option) is required.
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VISSCREEN 1, 0, 1
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VISCLS 0
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VISCAMOUT 1
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WINDMAKE R, 1, 50, 100, 0, 2
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FOR I1 = 0 TO 7
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FOR I2 = WINDREF(1, I1)
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'Obtain window number 1 data
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FOR VISLOC 0, I1
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'Set the display position
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FOR VISPRINT "Data";I1;"=";I2
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'Display the window
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NEXT I1
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