WinSubtractRect - Parameters

hab (HAB) - input

Anchor-block handle.

prclDest (PRECTL) - output

Result.

The result of the subtraction of prclSrc2 from prclSrc1.

Note: The value of each field in this structure must be in the range -32 768 through 32 767. The data type WRECT may also be used, if supported by the language.

prclSrc1 (PRECTL) - input

First source rectangle.

Note: The value of each field in this structure must be in the range -32 768 through 32 767. The data type WRECT may also be used, if supported by the language.

prclSrc2 (PRECTL) - input

Second source rectangle.

Note: The value of each field in this structure must be in the range -32 768 through 32 767. The data type WRECT may also be used, if supported by the language.

rc (BOOL) - returns

Not-empty indicator.

TRUE

Rectangle is not empty
FALSE
Rectangle is empty or an error occurred.

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