question about LoadAnimImage

I have a little question about loadanimimage

when i use normal bitmap i can typing this line :

Tmp_Image=LoadImage(ResizePixmap(LoadPixmap(Image),Tx,Ty),DYNAMICIMAGE)

But when i want t make the same with load anim image.
It"s seem don't work ?

Strict

Graphics 1024,768,32,NOSYNC

Global Frame_Num:Int=4
'Global MyImage:TIMage=LoadAnimImage("anim.png",72,100,0,Frame_Num)

Global MyImage:TIMage=LoadAnimImage(ResizePixmap(LoadPixmap("anim.png"),144,200),72,100,0,Frame_Num,DYNAMICIMAGE)

Global Frame_Counter:Int=0

' ---------
' Main loop
' ---------
While Not KeyHit(KEY_ESCAPE)
	
	Frame_Counter=Frame_Counter+1
	
	If Frame_Counter >= Frame_Num Then
		Frame_Counter=0
	EndIf
	
	Cls
	
	DrawImage MyIMage,10,10,Frame_Counter
	
	Delay 100 
	
	Flip
	
	FlushMem
Wend