IsEmpty Function

Tests if a Variant variable contains the Empty value. The Empty value indicates that the variable is not initialized.

แƒกแƒ˜แƒœแƒขแƒแƒฅแƒกแƒ˜

IsEmpty (Var)

แƒ“แƒแƒ‘แƒ แƒฃแƒœแƒ”แƒ‘แƒฃแƒšแƒ˜ แƒ›แƒœแƒ˜แƒจแƒ•แƒœแƒ”แƒšแƒแƒ‘แƒ:

Bool

Parameters:

Var: แƒœแƒ”แƒ‘แƒ˜แƒกแƒ›แƒ˜แƒ”แƒ แƒ˜ แƒ’แƒแƒ›แƒแƒกแƒแƒชแƒ“แƒ”แƒšแƒ˜ แƒชแƒ•แƒšแƒแƒ“แƒ˜. แƒ—แƒฃ แƒชแƒ•แƒšแƒแƒ“แƒ˜ แƒจแƒ”แƒ˜แƒชแƒแƒ•แƒก แƒ›แƒชแƒ“แƒ แƒ›แƒœแƒ˜แƒจแƒ•แƒœแƒ”แƒšแƒแƒ‘แƒแƒก, แƒคแƒฃแƒœแƒฅแƒชแƒ˜แƒ แƒแƒกแƒ‘แƒ แƒฃแƒœแƒ”แƒ‘แƒก True-แƒก, แƒฌแƒ˜แƒœแƒแƒแƒฆแƒ›แƒ“แƒ”แƒ’ แƒจแƒ”แƒ›แƒ—แƒฎแƒ•แƒ”แƒ•แƒแƒจแƒ˜ แƒคแƒฃแƒฅแƒœแƒชแƒ˜แƒ แƒแƒ‘แƒ แƒฃแƒœแƒ”แƒ‘แƒก False-แƒก.

Error codes:

D'oh! You found a bug (text/sbasic/shared/00000003.xhp#err5 not found).

แƒ›แƒแƒ’แƒแƒšแƒ˜แƒ—แƒ˜:

Sub ExampleIsEmpty

Dim sVar As Variant

    sVar = Empty

    Print IsEmpty(sVar) ' Returns True

End Sub