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typeof

hi all,

If i've got an object which is of type MyTextBox which is derived from
System.Windows. Forms.TextBox, then in another class i want to check the type
of the control passed to one if methods, i.e

public void DoSomethingWith Control(System. Windows.Forms.C ontrol _control) {

if (_control.GetTy pe()==typeof(Sy stem.Windows.Fo rms.TextBox) {

// will not be true if i pass my object derived from
TextBox - not of type TextBox. How do i compare derived types?

}
}

TIA

Sam Martin
Nov 15 '05 #1
1 15216


boxim wrote:
hi all,

If i've got an object which is of type MyTextBox which is derived from
System.Windows. Forms.TextBox, then in another class i want to check the type
of the control passed to one if methods, i.e

public void DoSomethingWith Control(System. Windows.Forms.C ontrol _control) {

if (_control.GetTy pe()==typeof(Sy stem.Windows.Fo rms.TextBox) {

// will not be true if i pass my object derived from
TextBox - not of type TextBox. How do i compare derived types?


I think you can simply check
if (_control is System.Windows. Forms.TextBox)

--

Martin Honnen
http://JavaScript.FAQTs.com/

Nov 15 '05 #2

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