Name 

Description 

 

Changed 

This is Changed, a member of class TCanvas. 

 

Changing 

This is Changing, a member of class TCanvas. 

 

CreateHandle 

This is CreateHandle, a member of class TCanvas. 

 

RequiredState 

This is RequiredState, a member of class TCanvas. 

 

Name 

Description 

 

Arc 

Draws an arc on the image along the perimeter of the ellipse bounded by the specified rectangle. 

 

BrushCopy 

Copies a portion of a bitmap onto a rectangle on the canvas, replacing one of the colors of the bitmap with the brush of the canvas. 

 

Chord 

Draws a closed figure represented by the intersection of a line and an ellipse. 

 

CopyRect 

Copies part of an image from another canvas into the canvas. 

 

Draw 

This is the overview for the Draw method overload. 

 

DrawFocusRect 

Draws a rectangle in the style used to indicate that the object inside the rectangle has focus. 

 

Ellipse 

This is the overview for the Ellipse method overload. 

 

FillRect 

Fills the specified rectangle on the canvas using the current brush. 

 

FloodFill 

Fills an area of the canvas using the current brush. 

 

FrameRect 

Draws a rectangle using the Brush of the canvas to draw the border. 

 

HandleAllocated 

Indicates whether the TCanvas object has acquired a handle to a device context. 

 

LineTo 

Draws a line on the canvas from PenPos to the point specified by X and Y, and sets the pen position to (X, Y). 

 

Lock 

Prevents other threads from drawing on the canvas. 

 

MoveTo 

Changes the current drawing position to the point (X,Y). 

 

Pie 

Draws a pie-shaped the section of the ellipse bounded by the rectangle (X1, Y1) and (X2, Y2) on the canvas. 

 

PolyBezier 

Draws a set of Bezier curves. 

 

PolyBezierTo 

Draws a set of Bezier curves and updates the value of PenPos. 

 

Polygon 

Draws a series of lines on the canvas connecting the points passed in and closing the shape by drawing a line from the last point to the first point. 

 

Polyline 

Draws a series of lines on the canvas with the current pen, connecting each of the points passed to it in Points. 

 

Rectangle 

This is the overview for the Rectangle method overload. 

 

Refresh 

Deselects the Pen, Brush, and Font from the device context. 

 

RoundRect 

This is the overview for the RoundRect method overload. 

 

StretchDraw 

Draws the graphic specified by the Graphic parameter in the rectangle specified by the Rect parameter. 

 

TextExtent 

Returns the width and height, in pixels, of a string rendered in the current font. 

 

TextHeight 

Returns the height, in pixels, of a string rendered in the current font. 

 

TextOut 

Writes a string on the canvas, starting at the point (X,Y), and then updates the PenPos to the end of the string. 

 

TextRect 

This is the overview for the TextRect method overload. 

 

TextWidth 

Returns the width, in pixels, of a string rendered in the current font. 

 

TryLock 

Locks the canvas if it is currently unlocked. 

 

Unlock 

Decreases the LockCount property, allowing other threads to execute when LockCount reaches 0.