CLKing31-----LineTo function

LineTo

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WINGDIAPI BOOL WINAPI LineTo(HDChdc,intX,intY,);

Use the current pen to draw a line from the current position to a specified point. After this function is called , the current position becomes x, y.

Used in conjunction with the MoveTo function, see the example for details.

Chinese name

LineTo

table of Contents

1. 1  definition
2. 2  parameter description
3. 3  example

definition

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Use the current pen to draw a line from the current position to a specified point. After this function is called , the current position becomes x, y

WINGDIAPI BOOL WINAPI LineTo(HDChdc,intX,intY,);

Parameter Description

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hdc: device scene handle

X: X coordinate position of the end point of the line segment, expressed in logical coordinates. This point will not actually be drawn; it is not part of the line segment

Y: Y coordinate position of the end point of the line segment, expressed in logical coordinates. This point will not actually be drawn; it is not part of the line segment

return value:

Return TRUE for success, FALSE for failure

Example

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Header file: Gdi32.h

Use GDI drawing:

HDC hdc;//设备场景DC
PAINTSTRUCT ps;
HPEN hPen;
HPEN hPenOld;
hdc = BeginPaint( hWnd , &ps );
hPen = CreatePen( PS_SOLID, 3, RGB( 255, 0, 0 ));
hPenOld = ( HPEN )SelectObject ( hdc, hPen );
MoveToEx ( hdc, 20, 10, NULL );
LineTo( hdc, 200,100);
SelectObject (hdc , hPenOld);
DeleteObject ( hPen );
EndPaint ( hWnd , &ps );