Technical Q&A QA1324
Why doesn't my Scrolling Text Box control work in a compositing window?

QÅFÉRÉìÉ|ÉWÉeÉBÉìÉOÉEÉCÉìÉhÉEÇ≈ Scrollin Text Box ÉRÉìÉgÉçÅ[ÉãÇ™ã@î\ǵNjÇπÇÒÅB

AÅFàÍïîÇÃå√Ç¢ÉRÉìÉgÉçÅ[ÉãÇÕÅAMac OS X 10.2 Ç≈êVÇΩÇ…ì±ì¸Ç≥ÇÍÇΩÉRÉìÉ|ÉWÉeÉBÉìÉOÉEÉCÉìÉhÉEÇ≈ÇÕê≥ǵÇ≠ã@î\ǵNjÇπÇÒÅBDZÇÍÇÁÇÃÉRÉìÉgÉçÅ[ÉãÇÃàÍïîÅiÇΩÇΔǶnj DatabrowserÅjÇÕ Mac OS X 10.3 Ç≈ÉAÉbÉvÉfÅ[ÉgÇ≥ÇÍǃǢÇÈÇÃÇ≈ã@î\ǵNjÇ∑Ç™ÅAäJî≠é“DždžNjÇËêlãCÇÃǻǢLJÇÃÇ‚ÅAë„ë÷éËíiÇÃdžÇÈLJÇÃÇÕÉAÉbÉvÉfÅ[ÉgÇ≥ÇÍǃǢNjÇπÇÒÅB

Scrolling Text Box ÉRÉìÉgÉçÅ[ÉãÅiCDEF 27ÅjÇÕÉäÉ\Å[ÉXÉxÅ[ÉXÇ≈džÇËÅAåªçsÇà Mac OS X API ÇÕëºÇÃéÌófiÇÃÉXÉgÉåÅ[ÉWÇégópÇ∑ÇÈåXå¸Ç™Ç†ÇËÇ‹Ç∑ÅB

ÉTÉìÉvÉãÉRÅ[Éh HIScrollingTextBox ÇÕÅADZÇÃÉRÉìÉgÉçÅ[ÉãÇÃÇΩÇflÇà 2 ǬÇÃàŸÇ»ÇÈë„ë÷éËíiÇé¶ÇµÇƒÇ¢Ç‹Ç∑ÅB



ÉäÉXÉg 1Å@HICreateScrollingTextBox

extern OSStatus 
HICreateScrollingTextBox(
    const HIRect * inBounds,                   /* NULL ÇÃèÍçáLJdžÇÈ */
    CFStringRef    inScrollingText,
    Boolean        inAutoScroll,
    UInt32         inDelayBeforeAutoScroll,
    UInt32         inDelayBetweenAutoScroll,
    UInt16         inAutoScrollAmount,
    HIViewRef *    outHIView);


DZÇà API ÇÕÅAMac OS X 10.2 à»ç~Ç≈égópÇ≈Ç´ÅACreateScrollingTextBoxControl ÇΔìØÇ∂ÉpÉâÉÅÅ[É^ÇéÊÇËÇ‹Ç∑ÅBÇΩÇæǵÅAïsóvÇ» WindowRef ÉpÉâÉÅÅ[É^ÇΔÉäÉ\Å[ÉX ID î‘çÜÇÕÅACFStringRef Ç…ÇÊǡǃíuÇ´ä∑ǶÇÁÇÍǃǢNjÇ∑ÅB



ÉäÉXÉg 2Å@HICreateScrollingHITextBox

extern OSStatus 
HICreateScrollingHITextBox(
    const HIRect * inBounds,                   /* NULL ÇÃèÍçáLJdžÇÈ */
    CFURLRef       inURLRef,
    Boolean        inAutoScroll,
    UInt32         inDelayBeforeAutoScroll,
    UInt32         inDelayBetweenAutoScroll,
    UInt16         inAutoScrollAmount,
    HIViewRef *    outHIView);


DZÇà API ÇÕÅAMac OS X 10.3 à»ç~Ç≈égópÇ≈Ç´ÅACreateScrollingTextBoxControl ÇΔìØÇ∂ÉpÉâÉÅÅ[É^ÇéÊÇËÇ‹Ç∑ÅBÇΩÇæǵÅAïsóvÇ» WindowRef ÉpÉâÉÅÅ[É^ÇΔÉäÉ\Å[ÉX ID î‘çÜÇÕÅACFURLRef Ç…ÇÊǡǃíuÇ´ä∑ǶÇÁÇÍǃǢNjÇ∑ÅBDZÇà CFURLRef ÇÕÅAÇΩÇΔǶnj TextEdit Ç≈çÏê¨Ç≥ÇÍÇΩ .rtf ÉtÉ@ÉCÉãÇéwíËÇ∑ÇÈDZÇΔÇ™Ç≈Ç´Ç‹Ç∑ÅB

[2003 îN 11 åé 13 ì˙]