PrinterSelect

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Prototype

 

BoolOk:=PrinterSelect(strName)

 

Description

 

Selects printer name or number passed as parameter.

 

Parameters

 

StrName: string corresponding to the identification number or printer name.

 

Returned value

 

BoolOk: Boolean value to verify if the printer is selected.

 

Notes

 

If strName is NULL it is possible select the print interactively.

 

Example

 

// It selects printer

PrinterSelect('HP LaserJet III');

 

// Start print

if not PrinterStart('Test print',1) then

 begin

   // Abort sprint if there are errors

   PrinterAbort;

   PrinterStart('Test print',1);

 end;

 

//It gets canvas handle

Paper:=PrinterGetCanvas;

 

//It gets print area size and resolution

WidthArea:=CanvasGetHorzSize(Paper);

HeightArea:=CanvasGetVertSize(Paper);

ResHorz:=CanvasGetHorzRes(Foglio);

ResVert:=CanvasGetVertRes(Foglio);

 

// It calculates distance among grid cells to draw

StepV:=HeightArea div 10;

StepH:=WidthArea div 10;

 

// Draw grid

CanvasSetPen(Paper,3,0,$000000);

For L:=0 to 10 do

 begin

  CanvasDrawLine(Paper,L*StepH,0,L*StepH,HeightArea);

  CanvasDrawLine(Paper,0,L*StepV,WidthArea,L*StepV);

 end;

 

// Text draw

CanvasSetFont(Paper,'Arial',18,True,True,True,$000000);

CanvasDrawText(Paper,100,100,'Test print');

 

// End print operation

PrinterEnd;