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We create pen GUI object by CreatePen() API. CreatePen(fnPenStyle, nWidth, crColor) takes three arguments.

  • fnPenStyle - pen style
  • nWidth - pen width
  • crColor - pen color
CreatePen() takes first argument as style of the pen. Below are the basic style definitions of pen object.

StyleDescription
PS_SOLIDPen is solid.
PS_DASHPen is dashed. This style is valid only when the pen width is one or less in device units.
PS_DOTPen is dotted. This style is valid only when the pen width is one or less in device units.
PS_DASHDOTPen has alternating dashes and dots. This style is valid only when the pen width is one or less in device units.
PS_DASHDOTDOTPen has alternating dashes and double dots. This style is valid only when the pen width is one or less in device units.
PS_NULLPen is invisible.
PS_INSIDEFRAMEPen is solid. When this pen is used in any graphics device interface (GDI) drawing function that takes a bounding rectangle, the dimensions of the figure are shrunk so that it fits entirely in the bounding rectangle, taking into account the width of the pen. This applies only to geometric pens.

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