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AutoIT Help part 109

Tham khảo tài liệu 'autoit help part 109', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Example If Not IsDeclared a then MsgBox 0 a is NOT declared a has never been assigned EndIf a 1 If IsDeclared a then MsgBox 0 a IS declared due to previous a 1 assignment EndIf Function Reference IsDllStruct Checks if a variable is a DllStruct type. IsDllStruct variable Parameters variable The variable expression to check. Return Value Success Returns 1. Failure Returns 0 if expression is not DllStruct type as return by DllStructCreate. Remarks None. Related DllStructCreate Example struct DllStructCreate char 256 x IsDllStruct struct Function Reference IsFloat Checks if a variable or expression is a float-type. IsFloat variable Parameters variable The variable or expression to check. Return Value Success Returns 1. Failure Returns 0 if expression is not float type. Remarks See examples. Related IsArray IsInt IsString IsNumber IsBool IsHWnd StringIsFloat Example IsFloat 3.14159 returns 1 IsFloat 3.000 returns 0 since value is integer 3 IsFloat 1 2 - 5 returns 1 IsFloat 1.5e3 returns 0 since 1.5e3 1500 IsFloat 12.345 returns 0 since is a string Function Reference IsHWnd Checks if a variable s base type is a pointer and window handle. IsHWnd variable Parameters variable The variable expression to check. Return Value Success Returns 1 if the expression is a pointer type AND a valid window handle. Failure Returns 0 if expression is not a pointer OR not a valid window handle. .