Let's say I have a grid of input boxes, like shown: ; first row Global $101 = GUICtrlCreateInput("", 24, 32, 25, 21, -1, $WS_EX_CLIENTEDGE) Global $102 = GUICtrlCreateInput("", 56, 32, 25, 21, -1, $WS_EX_CLIENTEDGE) Global $103 = GUICtrlCreateInput("", 88, 32, 25, 21, -1, $WS_EX_CLIENTEDGE) ; second row Global $201 = GUICtrlCreateInput("", 24, 56, 25, 21, -1, $WS_EX_CLIENTEDGE) Global $202 = GUICtrlCreateInput("", 56, 56, 25, 21, -1, $WS_EX_CLIENTEDGE) Global $203 = GUICtrlCreateInput(