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| en:docs:fapi:viowrttty [2018/09/01 11:04] – created prokushev | en:docs:fapi:viowrttty [2021/09/19 04:43] (current) – prokushev | ||
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| + | {{page> | ||
| + | |||
| + | ====== VioWrtTTY ====== | ||
| + | ===== Brief ===== | ||
| This call writes a character string to the display starting at the current cursor position. | This call writes a character string to the display starting at the current cursor position. | ||
| Line 4: | Line 8: | ||
| At the completion of the write, the cursor is positioned at the first position beyond the end of the string. | At the completion of the write, the cursor is positioned at the first position beyond the end of the string. | ||
| - | ==Syntax== | + | ===== Syntax ===== |
| + | |||
| + | <code c> | ||
| | | ||
| + | </ | ||
| - | ==Parameters== | + | ===== Parameters ===== |
| - | ;CharStr ([[PCH]]) - input : Address of the string to be written. | + | |
| - | ;Length ([[USHORT]]) - input : Length of the character string in bytes. | + | |
| - | ;VioHandle ([[HVIO]]) - input : This must be zero unless the caller is a Presentation Manager application, | + | |
| - | ==Return Code== | + | * CharStr ([[PCH]]) - input : Address of the string to be written. |
| + | * Length ([[USHORT]]) - input : Length of the character string in bytes. | ||
| + | * VioHandle ([[HVIO]]) - input : This must be zero unless the caller is a Presentation Manager application, | ||
| + | |||
| + | ===== Return Code ===== | ||
| rc (USHORT) - return | rc (USHORT) - return | ||
| + | |||
| Return code descriptions are: | Return code descriptions are: | ||
| - | * 0 NO_ERROR | ||
| - | * 355 ERROR_VIO_MODE | ||
| - | * 436 ERROR_VIO_INVALID_HANDLE | ||
| - | * 465 ERROR_VIO_DETACHED | ||
| - | ==Remarks== | + | * 0 NO_ERROR |
| + | * 355 ERROR_VIO_MODE | ||
| + | * 436 ERROR_VIO_INVALID_HANDLE | ||
| + | * 465 ERROR_VIO_DETACHED | ||
| + | |||
| + | ===== Remarks | ||
| If a string write gets to the end of the line and is not complete, the string write continues at the beginning of the next line. If the write gets to the end of the screen, the screen is scrolled, and the write continues until completed. | If a string write gets to the end of the line and is not complete, the string write continues at the beginning of the next line. If the write gets to the end of the screen, the screen is scrolled, and the write continues until completed. | ||
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| VioWrtTTY is supported in graphics mode to process ANSI sequences. This allows the application to enter and exit a graphics mode. | VioWrtTTY is supported in graphics mode to process ANSI sequences. This allows the application to enter and exit a graphics mode. | ||
| - | ===PM Considerations=== | + | ==== Presentation Manager |
| Write a character string from the current cursor position in TTY mode to the Advanced VIO presentation space. The cursor is positioned after the last character written at the end of the write. | Write a character string from the current cursor position in TTY mode to the Advanced VIO presentation space. The cursor is positioned after the last character written at the end of the write. | ||
| - | ==Bindings== | + | ===== Bindings |
| - | === C Binding=== | + | ==== C Binding |
| - | <PRE> | + | <code c> |
| #define INCL_VIO | #define INCL_VIO | ||
| Line 44: | Line 54: | ||
| USHORT | USHORT | ||
| - | </PRE> | + | </code> |
| - | ===MASM Binding=== | + | ==== MASM Binding |
| - | <PRE> | + | <code asm> |
| EXTRN VioWrtTTY: | EXTRN VioWrtTTY: | ||
| INCL_VIO | INCL_VIO | ||
| Line 57: | Line 67: | ||
| Returns WORD | Returns WORD | ||
| - | </PRE> | + | </code> |
| - | + | ||
| - | ====== Note ====== | + | ===== Note ===== |
| Text based on [[http:// | Text based on [[http:// | ||