#!F-adobe-helvetica-medium-r-normal--18* #!N #!N #!Rdxemf DXEmptyField #!N #!N Function #!N #!N Determines whether a Field contains information. #!N #!N Syntax #!N #!F-adobe-times-bold-r-normal--18* #include <dx/dx.h> int DXEmptyField(Field f) #!EF #!N #!N Functional Details #!N #!N A Field is considered to be empty under any of the following conditions: #!N #!I0 #!N #!F-adobe-times-medium-r-normal--18* #!N #!N #!I30 #!N o It has no components. #!N #!I30 #!N o It has no "positions" component. #!N #!I30 #!N o Its "positions" component does not contain any elements. #!N #!I0 #!N #!EF #!N #!N #!N Modules may use this call to avoid processing empty Fields so that the absence of required components in an empty Field is not treated as an error. #!N #!N Return Value #!N #!N Returns 1 if the Field is empty (see above); otherwise, returns 0. #!N #!N See Also #!N #!N #!F-adobe-times-bold-r-normal--18* #!Ldxexi,dxall1204 h DXExists #!EL #!EF #!N #!N #!Lstdcs,dxall1086 h Standard Components #!EL . #!N #!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N #!N #!Ldxendf,dxall1201 h DXEndField #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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