| 摘要 |
PURPOSE:To improve an operability by storing plural screen display data such as transaction input data input picture and a transaction selecting input picture which is used many times required at the time of inputting the transaction input data for every virtual screen device of a screen end. CONSTITUTION:In a display screen managing means 3 in the screen end 200, the screen display data of output data transmitted from a transaction processing system 100 and the designation of the virtual screen device of a display destination are analyzed and the virtual screen device relating to the screen display data displayed at present on a real screen 201 and the virtual screen device requested by the output data are checked and whether both are the same virtual screen device or not is decided. According to this decision, when both are not the same virtual screen device, a display data storing means 4 is called out and the screen display data of the virtual screen device displayed on the real screen 201 is stored in a screen data storing area 8. Then, a storing screen display means 5 is called out and the screen display data of the virtual screen device requested by the output data stored in the screen data storing area 8 is displayed on the real screen 201.
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