Set-Only Attribute. DUMP AREA can be used only with ASSIGN or CONTROL. This attribute specifies a file to which a DUMP of the pixmap of an area of a screen is made. Setting this attribute initiates the area definition phase as follows:
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The cursor changes its shape to a cross-hair
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The operator moves the mouse to the upper-left of the area to be dumped
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The operator presses and holds the left mouse button
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The operator drags the cross-hair to the lower-right corner of the area to be dumped, generating a box on the screen that encloses the area to be dumped
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The operator releases the mouse to generate the area dump
