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QuestionVad menas med detta [DefaultValue(false)]? Pin
Tony_Joh26-Apr-06 1:48
Tony_Joh26-Apr-06 1:48 
Hej!

Jag har en kod snutt här nedan där man sätter showDropDownButtons = false.
Även om man inte gjorde det skulle showDropDownButtons vara initierat till false eftersom default initiering för bool är false.

Jag har testat lite och även om jag skulle byta ut dennna
[DefaultValue(false)] mot denna [DefaultValue(true)] skulle ShowDropDownButtons
vara false.
Uttrycket [DefaultValue(true)] utför allså ingen initiering.

Jag kan inte förstå vad uttrycket [DefaultValue(false)] eller
[DefaultValue(true)] har för någon nytta.
Det fungerar precis lika bra om man utelämnar denna [DefaultValue(false)].


public class AdvPropertyColumn : PropertyEditColumn
{
public AdvPropertyColumn(string caption) : base(caption){} //konstructor
private bool showDropDownButtons = false;

[DefaultValue(false)]
public bool ShowDropDownButtons
{
get { return showDropDownButtons; }
set
{
if (showDropDownButtons != value)
{
Console.WriteLine("AdvPropertyColumn.Set.ShowDropDownButtons [showDropDownButtons != value]");
showDropDownButtons = value;
base.OnChanged(InvalidationMode.ColumnWithoutHeader, false);
}
}
}//end property ShowDropDownButton
}

//Tony
AnswerRe: Vad menas med detta [DefaultValue(false)]? Pin
J4amieC26-Apr-06 2:27
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AnswerRe: What does this mean [DefaultValue(false)]? Pin
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