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Function WNewWindow

Function WNewWindow creates a new window on the screen and returns a pointer to the associated window structure:

WWindow * WNewWindow(int          FirstCol, 
                     int          FirstRow, 
                     int          LastCol, 
                     int          LastRow, 
                     int          BufferSize, 
                     int          Attr, 
                     const char * Title);

Parameters

FirstCol

First screen column for the new window (zero-based).

FirstRow

First screen row for the new window (zero-based).

LastCol

Last screen column for the new window.

LastRow

Last screen row for the new window.

BufferSize

Defines the size of a buffer which RTTextIO allocates to store formatted strings in function Wprintf. If you don't need Wprintf, you can set Buffersize to 0 to save memory.

Attr

Initial video attribute for the new window.

Title

Pointer to a title for the new window.

return value

Pointer to the window structure of the new window.

The coordinates of the new window are relative to the upper left hand corner of the screen starting at (0,0). WNewWindow calls WOpenWindow and WFrame and clears the window.

Function WClearScreen

Function WOpenWindow